Power Distribution Equipment
Product Overview
Power distribution equipment forms the critical interface between transmission networks and end-users, fulfilling essential functions of power allocation, control, protection, and monitoring. This product series encompasses medium-voltage switchgear, low-voltage switchgear, and specialized mining switchgear. Manufactured in strict compliance with international and national standards including IEC 62271, IEC 61439, IEEE C37, and GB/T 12173, these products are extensively utilized in power plants, substations, industrial facilities, commercial buildings, and mining operations.
As a fundamental component of power infrastructure, our distribution equipment is engineered with a core philosophy emphasizing high reliability, intelligent management, and environmental adaptability. We deliver comprehensive power distribution solutions spanning from grid connection to the end-user.
Product Classification
|
Product Category |
Voltage Range |
Applicable Standards |
|
Medium-Voltage Switchgear |
1kV - 52kV |
IEC 62271-200 |
|
Low-Voltage Switchgear |
≤1000V AC / ≤3200V DC |
IEEE C37.20.1 / IEC 61439 |
|
Mining Switchgear |
3.3kV - 15kV |
GB/T 12173 / Mining-specific standards |
|
Panelboards |
≤600V AC |
NEMA PB1 / IEC 61439-3 |
|
Busway Systems |
≤1000V AC |
IEC 61439-6 / NEMA BU1 |
|
Power Distribution Units (PDU) |
208V - 480V |
UL 60950-1 / IEC 62368-1 |
Product Description
Our power distribution equipment features enclosures fabricated from high-quality treated steel sheets (aluminum-zinc coated, galvanized, or stainless steel) through CNC precision forming processes. The surfaces undergo electrostatic spraying, providing exceptional impact resistance and corrosion protection. The modular design enables flexible configuration according to specific user requirements, accommodating diverse application scenarios.
Medium-voltage switchgear can be equipped with vacuum circuit breakers, SF6 circuit breakers, or fixed load switches. Internal compartments are functionally segregated—busbar chamber, circuit breaker chamber, cable compartment, and instrumentation compartment—ensuring operational and maintenance safety.
Low-voltage switchgear employs either draw-out or fixed construction, configurable with air circuit breakers, molded case circuit breakers, contactors, thermal relays, and other components to achieve power distribution and motor control functions. All designs comply with stringent UL 508A and NEMA standards.
Mining switchgear is specifically engineered for harsh mining environments, featuring a compact double-layer structure—among the smallest in its class—facilitating underground transportation and installation. It incorporates moisture-proof, dust-proof, and anti-vibration characteristics to withstand demanding underground operating conditions.
Features & Advantages
High Reliability & Safety
- Incorporates internationally recognized circuit breakers (Vacuum/SF6/Air) with mechanical endurance of 10,000 to 30,000 operations
- Comprehensive five-interlock prevention system preventing maloperation: prevents incorrect opening/closing of breakers, prevents moving switches under load, prevents closing earthing switch with power on, prevents energizing with earthing connection, and prevents access to live compartments
- Optimized main circuit design effectively reduces partial discharge
- All critical components are type-tested and verified
Modularity & Expandability
- High interchangeability of truck assemblies; identical models are 100% interchangeable
- Modular enclosure design based on standardized dimensional increments facilitates expansion and retrofitting
- Standardized interfaces compatible with various secondary components
- Flexible configuration of functional units according to requirements
High Ingress Protection
- Enclosure protection ratings from IP4X to IP5X, effectively preventing intrusion by foreign objects and pests
- Gas-insulated sections achieve IP67 protection, suitable for high-humidity and heavily polluted environments
- Mining switchgear incorporates specialized moisture and dust protection designs
Environmental Adaptability
- Available in high-altitude versions (up to 4500m)
- Weather-resistant design, operating ambient temperature range -25°C to +40°C (outdoor types)
- Seismic performance meets intensity 8 requirements
- Mining variants specifically adapted for underground conditions
Intelligent Options
- Configurable with intelligent monitoring units for online status monitoring and remote supervision
- Supports RS485 / Ethernet / Fiber optic communication protocols, meeting smart grid requirements
- Optional online temperature monitoring, partial discharge monitoring, arc flash protection systems
- Integrated environmental sensors for real-time temperature and humidity monitoring
OEM/ODM Customization Capability
- Over 20 years of customization experience, offering comprehensive services from design to delivery
- Capable of meeting specific customer technical requirements and application scenarios
Product Specifications
|
Parameter |
Medium-Voltage Switchgear |
Low-Voltage Switchgear |
Mining Switchgear |
|
Rated Voltage |
12kV, 24kV, 40.5kV |
208V-690V (AC) / 800V-3200V (DC) |
3.3kV, 6kV, 10kV, 15kV |
|
Rated Current |
630A - 4000A |
1600A - 10000A |
400A - 3150A |
|
Rated Short-Time Withstand Current |
20kA - 50kA |
35kA - 100kA |
20kA - 40kA |
|
Power-Frequency Withstand Voltage |
42kV - 95kV |
2.5kV - 3.5kV |
23kV - 42kV |
|
Protection Rating |
IP4X - IP5X |
IP3X - IP5X |
IP54 - IP65 |
|
Dimensions (W×D×H) |
800/1000×1650×2335mm |
600/800/1000×1600×2200mm |
Compact double-layer configuration |
Product Range Introduction
Medium-Voltage Switchgear Series
Armored Withdrawable Switchgear (KYN Series)
Designed for 3.6~40.5kV power systems featuring draw-out construction. Circuit breaker trucks can be completely withdrawn for external maintenance. Compartments are segregated into breaker, busbar, cable, and instrumentation sections, each with independent grounding. Advantages include high interchangeability, maintenance convenience, and operational safety.
Gas-Insulated Switchgear (C-GIS)
Utilizes SF6 gas or environmentally friendly dry air as the insulating medium. All high-voltage live parts are sealed within a stainless steel gas tank, achieving IP67 protection. Unaffected by condensation, pollution, or salt spray, making it suitable for harsh environments. Annual leakage rate ≤0.1%.
Fixed Metal-Enclosed Switchgear (XGN Series)
Applicable for 12kV and below systems. Compact design with volume approximately 50% of conventional switchgear. Suitable for wall-mounted installation with front access only, ideal for space-restricted locations.
Low-Voltage Switchgear Series
Metal-Enclosed Low-Voltage Switchgear
Features draw-out or fixed construction with independently isolated drawout units, enabling maintenance without power interruption. Main busbar systems utilize high-conductivity copper with tin or silver plating to minimize contact resistance.
Intelligent Low-Voltage Distribution Systems
Integrate intelligent monitoring units enabling remote measurement, control, and management. Support multiple communication protocols for seamless integration into building automation or factory energy management systems.
Busway Systems
A power distribution solution alternative to traditional cables, offering advantages such as high current-carrying capacity, low voltage drop, easy installation, and flexible expansion. Suitable for high-current applications.
Mining Switchgear Series
General-Purpose Mining Switchgear
Designed for mines without gas or explosion hazards. Features a compact double-layer structure—minimized volume among similar products—facilitating underground transport and installation.
Mining Central Substation Switchgear
Utilized in underground central substations, main ventilation roadway distribution, underground parking lot power supply systems, etc. Incorporates comprehensive protection functions including short-circuit, overload, leakage, and insulation monitoring.
Mining High-Voltage Starter
Designed for direct-on-line starting of underground fans and high-voltage pumps. Configurable with microprocessor-based integrated protection, supporting four remote functions (telemetry, telesignaling, telecontrol, teleadjusting).
Technical Parameters
|
Category |
Details |
|
Applicable Standards |
IEC 62271-200: AC metal-enclosed switchgear for rated voltages above 1kV up to 52kV; IEC 61439: Low-voltage switchgear and controlgear assemblies; IEEE C37.20.1: Standard for Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear; GB/T 3906: AC metal-enclosed switchgear for rated voltages 3.6kV~40.5kV; GB/T 12173: General-purpose mining electrical apparatus |
|
Service Conditions |
Ambient Temperature: -15°C~+40°C (indoor) / -25°C~+40°C (outdoor). Relative Humidity: daily average ≤95%, monthly average ≤90%. Altitude: ≤1000m (standard), ≤3500m (high-altitude version). Seismic Intensity: not exceeding 8 degrees. Mining-specific: altitude ≤2000m, absence of severe vibration or shock, absence of gases or vapors damaging metals or insulation |
|
Electrical Parameters |
Rated Frequency: 50Hz / 60Hz. Auxiliary Circuit Voltage: DC110/220V, AC220V. Temperature Rise Limits: complying with IEC 62271-1:2017 requirements. Partial Discharge: ≤10pC (at 1.1Ur/√3). Power Factor: 0.85-0.95 |
Materials
|
Component |
Standard Material |
Optional Material |
|
Enclosure |
Aluminum-zinc coated steel / Galvanized steel |
Stainless Steel 304/316 |
|
Busbars |
High-conductivity copper (T2) |
Aluminum (copper-plated) |
|
Busbar Surface Treatment |
Tin plating / Silver plating |
Heat-shrinkable insulation tubing / Epoxy coating |
|
Insulating Parts |
Epoxy resin casting / SMC molding |
DMC composite material |
|
Interrupting Chamber |
Vacuum interrupter / SF6 gas |
Eco-friendly gas (Dry air / Nitrogen) |
|
Observation Windows |
Tempered glass |
Explosion-proof glass |
|
Sealing Elements |
EPDM rubber |
Silicone rubber |
|
Surface Coating |
Epoxy powder electrostatic spraying |
Outdoor-grade weather-resistant powder / Polyester powder |
Standard Colors
RAL7032 (Pebble Grey), RAL7035 (Light Grey); Custom RAL colors available upon request
Surface Treatment
Electrostatic spraying, coating thickness 60~80μm, adhesion Grade 1, corrosion resistance ≥500 hours salt spray test
Appearance Design
Sharp lines, smooth contours, modern industrial aesthetics; optional stainless steel nameplates
Identification System
Clear mimic diagrams, functional zone labeling, safety warning markings; screen printing or laser engraving
Observation Windows
High-strength explosion-proof glass for safe viewing of breaker position and status indication
Indicator Lights
High-brightness LED indicators clearly displaying operational status (Power, On, Off, Fault)
Operator Interface
Ergonomic design with optimally positioned controls; optional touchscreen HMI
Design
- Structural optimization and electric field analysis using 3D CAD software
- Multi-folded aluminum-zinc coated steel construction, weld-free for high strength and precision
- Modular design based on 25mm hole pitch for easy installation and maintenance
- Double-layer construction (mining type) saving up to 50% space
- Electric field simulation optimization minimizing partial discharge
- Compact main circuit layout reducing losses
- Standardized secondary wiring with segregation of power and control circuits for enhanced anti-interference capability
- Silver-plated busbar connections minimizing contact resistance
- Optional intelligent monitoring units for remote supervision
- Five-interlock mechanism preventing operational errors
- Pressure relief channels ensuring directional fault gas release, safeguarding personnel and equipment
- Shutters automatically covering live contacts upon truck withdrawal
- Optional arc flash protection system for instantaneous tripping upon detection
- Natural convection cooling with ventilation openings at critical locations
- Forced air cooling systems for high-current configurations
- Silver-plated busbar connections reducing contact resistance and temperature rise
- Intelligent temperature-controlled fans operating automatically based on thermal conditions
- Structural strength meeting seismic intensity 8 requirements
- Anti-vibration locking mechanisms for circuit breaker trucks
- Secure cable fixing preventing vibration damage
- Reinforced construction for mining types to withstand vibratory environments
OEM & Customization Services
We provide comprehensive OEM/ODM customization services backed by over 20 years of experience. We offer end-to-end support from product design and development through to production and delivery.
Customization Scope
Branding
Custom nameplates, panel silkscreening, and logo marking as per client requirements
01
Technical Parameters
Custom-designed voltage, current, interrupting capacity, and protection functions
02
Appearance
Custom enclosure colors, panel layouts, and identification systems
03
Functionality
Special operating modes, interlocking requirements, monitoring features, communication protocols
04
Export Compliance
Tailoring to destination country standards (UL, CE, GOST, EAC, etc.)
05
Customization Process
|
Step |
Process |
Description |
|
1 |
Requirements Consultation |
Understanding specific client needs and applications |
|
2 |
Solution Design |
Engineering provides design proposals and drawings |
|
3 |
Solution Approval |
Client review and confirmation of design |
|
4 |
Sample Fabrication |
Provision of samples or prototypes as required |
|
5 |
Mass Production |
Scheduling production upon confirmation |
|
6 |
Quality Inspection |
Rigorous inspection ensuring specification compliance |
|
7 |
Delivery |
Timely shipment to client |
Product Customization Options
|
Customization Item |
Options |
Description |
|
Construction Type |
Withdrawable / Fixed / Gas-insulated / Draw-out |
Based on installation space and maintenance requirements |
|
Enclosure Material |
Galvanized steel / Aluminum-zinc steel / Stainless 304/316 |
Based on environmental corrosivity |
|
Enclosure Color |
RAL entire range |
To match existing equipment or environment |
|
Dimensions |
Standard / Custom |
To accommodate specific space constraints |
|
Busbar Material |
Copper / Aluminum |
Based on cost and current-carrying capacity |
|
Busbar Treatment |
Tin-plated / Silver-plated / Insulated |
Based on current rating and environment |
|
Breaker Brand |
Domestic quality / Joint venture / Imported |
Based on reliability requirements and budget |
|
Protection Device |
Conventional relay / Intelligent protection / Integrated |
Based on automation requirements |
|
Communication |
RS485 / Ethernet / Fiber optic / Wireless |
To meet smart grid and IoT needs |
|
Heating & Dehumidification |
Optional / Not included |
Based on environmental humidity |
|
Intelligent Monitoring |
Temperature monitoring / PD monitoring / Arc protection |
Based on reliability requirements |
|
Metering Functions |
Basic / Multi-rate / Demand metering |
Based on energy management needs |
Production Process
Our production strictly adheres to the ISO9001 Quality Management System, ensuring each product meets design requirements and technical standards.
|
Step |
Process |
Description |
|
1 |
Sales & Specification Confirmation |
Direct client communication to gather detailed project needs and technical specifications; confirmation with engineers, contractors, owners |
|
2 |
Quoting & Contracting |
Internal sales representatives conduct detailed technical reviews; generate precise quotations based on required configurations (surge protection, ATS, load switching, etc.) |
|
3 |
Engineering Design |
Engineers design customized solutions; options include metering/no metering, various dimensions/materials, battery backup, timers, receptacle configurations, contactors, transformers, push-button control, generator entry, load switching, motor starters, etc. |
|
4 |
Raw Material Procurement |
Sourcing high-quality sheets, copper, insulating parts; procurement of components like breakers, CTs/VTs, meters; strict incoming inspection of all materials |
|
5 |
Sheet Metal Fabrication |
Cutting: laser / CNC punching, precision ±0.1mm; Forming: CNC bending, angle accuracy ±0.5°; Welding: precision welding ensuring structural integrity |
|
6 |
Surface Treatment |
Cleaning: degreasing, phosphating; Powder coating: electrostatic spraying ensuring durability; Curing: high-temperature baking at 180°C |
|
7 |
Assembly |
Internal component mounting (breakers, CTs/VTs, meters); Busbar fabrication/installation (punching/bending, silver plating, torque tightening); Secondary wiring (clear wire numbering, neat bundling, segregation of power/control) |
|
8 |
Testing & Quality Inspection |
100% routine tests: insulation resistance, power-frequency withstand, contact resistance, mechanical operation, protection verification; compliance with UL 508A and NEMA standards; end-to-end testing verifying circuit safety and operational performance |
|
9 |
Packaging |
Cleaning & drying: internal cleaning, desiccant placement; Protective wrapping: moisture barrier film + foam sheeting; Outer packaging: wooden case / reinforced wooden frame, shipping marks and labels applied |
|
10 |
Logistics & Shipping |
Finished goods warehousing, dispatch preparation; warehouse personnel confirm order accuracy; preparation of packing lists and bills of lading ensuring smooth delivery |
Quality Control
|
Incoming Inspection |
100% inspection or sampling of components; supplier audit system for critical parts; incoming verification includes performance validation, visual inspection, dimensional checks |
|
In-Process Inspection |
First-article inspection mandatory for first unit of each batch; patrol inspection every 2 hours; quality control points established for critical processes (busbar processing, secondary wiring); peer inspection where subsequent processes inspect previous work |
|
Final Inspection |
Routine tests: 100% inspection ensuring each unit meets standards; type tests: periodic third-party testing; customer witness: clients can be invited to witness testing procedures upon request |
|
Quality Traceability |
Unique serial numbers for each product; critical component traceability with breaker, CT/VT, and meter serial numbers recorded; process records archived for critical processes with operator and inspector sign-offs; quality issue traceability system enabling tracing to specific processes and responsible personnel |
Quality Assurance
|
Quality System |
ISO9001:2015 certified; three-tier documentation: Quality Manual, Procedures, Work Instructions; regular internal audits and management reviews; all team members trained on quality standards |
|
Testing Equipment |
Power-frequency withstand voltage test sets; partial discharge detectors; contact resistance testers; mechanical characteristic testers; micro-ohmmeters, Meggers, ground resistance testers; relay protection test sets; temperature rise test systems |
|
Personnel Qualification |
Certified inspectors; certified special operators (electricians, welders); regular training and skill assessments; comprehensive quality awareness training |
|
Environmental Control |
Assembly workshop cleanliness control; temperature and humidity monitoring; anti-static measures; critical processes conducted in controlled environments |
|
Category |
Details |
|
Product Standards |
Strictly designed and manufactured to IEC/GB/DL/NEMA/UL standards |
|
Factory Acceptance |
100% of shipped products conform to specifications |
|
Warranty Period |
12-24 months comprehensive warranty; extended up to 25 years available for mining products |
|
Lifetime Service |
Technical support throughout product lifecycle |
|
Spare Parts Availability |
Guaranteed supply for 10+ years post-production discontinuation |
|
Issue Response |
24-hour response, resolution plan within 48 hours |
|
Availability Guarantee |
Optional SLA with equipment availability starting from 98% |
Product Certifications
|
Certification Type |
Certifying Body |
Applicability |
|
ISO9001:2015 |
Third-party |
Quality Management System |
|
ISO14001 |
Third-party |
Environmental Management System |
|
ISO45001 |
Third-party |
Occupational Health & Safety |
|
Type Test Report |
National HV Apparatus Quality Supervision Center |
Product performance verification |
|
CB Scheme |
IECEE |
Mutual recognition in 50+ countries |
|
CE |
Third-party |
EU market access |
|
UL |
UL |
North American market |
|
cUL |
CSA |
Canadian market |
|
TÜV |
TÜV Rheinland / others |
International recognition |
|
EAC |
Customs Union |
Russia and CIS countries |
|
REACH |
EU |
Chemical regulations |
|
RoHS |
EU |
Hazardous substances directive |
|
GB |
China Quality Certification Center |
Chinese market |
|
Mining Safety Mark |
National Mining Products Safety Center |
Mining-specific products |
After-Sales Service
|
Category |
Details |
|
Service Network |
Nationwide service outlets covering all regions; 24-hour hotline responsive at any time; professional team certified with average 8+ years experience; global service platform with multi-lingual interface integrating work orders, material requests, field service, and data analysis |
|
Service Commitment |
Response time: 24-hour initial response (phone/email); site arrival: within 48 hours domestically, 5–10 business days for overseas locations depending on region and visa requirements; problem resolution: general issues resolved within 72 hours for domestic, extended based on site accessibility for overseas; spare parts supply: emergency parts shipped within 24 hours domestically, within 5–7 business days for international shipments; availability guarantee: optional SLA ensuring equipment uptime |
|
Service Scope |
Technical consultation: lifetime free phone/email technical support; on-site service: fault handling, repair guidance, emergency repairs; regular follow-up: phone follow-up every 6 months, annual site visit; customer records: complete service history for each product; remote diagnostics: optional remote monitoring module enabling remote fault diagnosis |
Maintenance
|
Category |
Details |
|
Routine Maintenance (Monthly) |
Visual inspection: rust, damage, abnormal noise; cleaning: insulator surface cleaning, enclosure dust removal; indicator check: operational status indication normal; heater check: functionality verification (if equipped); temperature check: infrared thermography of critical connections |
|
Periodic Inspection (Semi-annual) |
Mechanical operation check: breaker, disconnector operating smoothness; interlock verification: five-interlock functionality test; busbar connection check: random torque checks; secondary circuit check: terminal tightening, wire number clarity; grounding system check: ground connection reliability |
|
Annual Overhaul |
Insulation resistance measurement: main and auxiliary circuits to ground; main circuit resistance measurement: comparison with baseline to assess contact condition; mechanical characteristic testing: open/close timing, speed, simultaneity; protection verification: relay trip value calibration; withstand voltage test: preventive withstand testing per procedures |
|
Major Overhaul (Based on Operating Years) |
Breaker overhaul: interrupter inspection, mechanism repair, lubrication; busbar overhaul: connection surface treatment, fastener replacement; secondary component replacement: aging component replacement, relay updates; comprehensive testing: full performance testing and parameter calibration |
|
Emergency Repairs |
24-hour emergency service: round-the-clock hotline support; rapid diagnosis: professional engineers quickly locating faults via remote guidance or video call; on-site repair: within 48 hours domestically, 5–10 business days for overseas locations depending on site accessibility, visa requirements, and local service partner availability; spare part replacement: genuine parts guaranteed, emergency parts shipped within 24 hours domestically, within 5–7 business days internationally |
Spare Parts Support
Spare Parts Types & Assurance
|
Category |
Details |
|
Part Types |
Circuit breakers: vacuum, SF6, air, molded case; operating mechanisms: spring, motor-operated, manual; instrument transformers: CT, VT; protection devices: relays, integrated protection units; indicating instruments: ammeters, voltmeters, power meters, multifunction meters; auxiliary switches: limit switches, micro switches, position switches; insulating parts: contact boxes, bushings, insulators, supports; busbar accessories: connectors, clamps, insulation covers, heat-shrink tubing; secondary components: push-buttons, indicator lights, selector switches, terminal blocks; heating/dehumidification elements: heaters, temperature/humidity controllers |
|
Parts Assurance |
Genuine parts: 100% matching original equipment; inventory: common parts in stock; supply duration: 10-year guarantee post-production discontinuation; emergency dispatch: within 24 hours domestically, within 3–7 business days for international shipments depending on destination and customs clearance; maintenance kits: regular maintenance kits available |
Parts Ordering
|
Service |
Description |
|
Parts Catalog |
Lookup system available for identifying correct parts |
|
Parts List |
Included with equipment delivery for reference |
|
Online Ordering Portal |
Optional web-based ordering platform |
|
QR Code Query |
QR code scanning for compatible parts query |
Samples & Demonstrations
|
Service |
Description |
|
Material Samples |
Sheet metal, insulating materials, sealing elements, busbar samples available |
|
Component Samples |
Small parts (push-buttons, indicators, terminals) physical samples available |
|
Prototype Visit |
Factory visit with prototype demonstration, technical discussions arrangeable |
|
Test Witnessing |
Witnessing type tests or routine tests arrangeable; international clients can schedule visits or request remote live video witnessing |
|
Site Reference Visits |
Inspecting actual installations; overseas site visits subject to local access arrangements and client coordination |
|
Sample Testing |
Samples available for customer testing/validation; shipping lead time: 5–10 business days internationally depending on location |
Applications
Power Generation Application
|
Thermal Power Plants |
Auxiliary power systems, switchyards, coal handling distribution |
|
Hydropower Stations |
Generator outlets, distribution systems, dam supply |
|
Wind Farms |
Collector lines, substations, tower internal distribution |
|
Solar PV Plants |
Inverter outputs, collector stations, substations |
|
Nuclear Power Plants |
Conventional island distribution, BOP facilities |
Transmission & Distribution Application
|
Substations |
Various voltage levels (110kV/35kV/10kV) |
|
Switching Stations |
Distribution network switching stations, sectionalizing stations |
|
Compact Substations |
Prefabricated, pad-mounted |
|
Distribution Rooms |
Residential, commercial |
Industrial Application
|
Steel & Metallurgy |
Rolling mill power distribution, smelting power distribution, auxiliary workshop distribution |
|
Petrochemical |
Refinery process distribution, chemical plant distribution, tank farm distribution |
|
Cement |
Production line distribution, waste heat generation distribution |
|
Textile & Light Industry |
Factory distribution, power distribution |
|
Mining |
Underground distribution, beneficiation plant distribution, surface facilities |
Infrastructure
|
Rail Transit |
Subway power distribution, high-speed rail station power distribution, signaling power supplies |
|
Airports |
Power supply systems, lighting distribution, power distribution |
|
Hospitals |
Emergency power supply, operating room distribution, ICU distribution |
|
Data Centers |
Uninterruptible power supply systems, rack distribution |
|
Commercial Buildings |
Shopping malls, office buildings, hotels |
|
Sports Venues |
Competition lighting distribution, field power distribution |
New Energy
|
Energy Storage Stations |
Battery storage systems, PCS distribution |
|
EV Charging Stations |
Charging facility distribution, charger distribution |
|
Microgrids |
Distributed energy resource integration, islanding distribution |
Cooperation Process
Initial Communication: Understanding products and distribution policies
1
>>
Qualification Review: Company information submission and assessment
2
>>
Site Visit: Factory and reference project visits
3
>>
Agreement Signing: Defining rights, obligations, territory, targets
4
>>
Training: Product, commercial, technical training
5
>>
Authorization: Certificate issued
6
>>
Market Launch: Joint market development planning
7
FAQ
Q: What are the main differences between medium-voltage and low-voltage switchgear?
A: The primary differences lie in voltage grade and applications. MV switchgear (1kV-52kV) serves as primary distribution equipment. LV switchgear (≤1000V AC) functions as terminal distribution equipment. Structurally, MV emphasizes phase and ground insulation distances, while LV focuses on protection coordination and operational convenience.
Q: What special requirements apply to mining switchgear?
A: Mining switchgear must adapt to harsh underground environments: compact construction (minimized volume), high ingress protection (≥IP54), moisture/dust-proof design, and comprehensive insulation monitoring. It must comply with GB/T 12173 and other mining-specific standards, suited for humid, dusty, vibratory conditions.
Q: What is the service life of power distribution equipment?
A: Under normal use and maintenance, design life is typically 20-30 years. Mechanical components like breakers may require mid-life maintenance or replacement depending on operating frequency. Regular maintenance significantly extends service life.
Q: What is the "five-interlock" system?
A: The five-interlock system comprises five safety functions preventing maloperation: preventing incorrect breaker opening/closing; preventing moving switches under load; preventing closing earthing switch with power on; preventing energizing with earthing connection; preventing access to live compartments. It is fundamental to switchgear operational safety.
Q: Can the equipment be used at high altitudes?
A: Yes. Standard versions are suitable for ≤1000m. We offer high-altitude versions up to 4500m. High-altitude use requires insulation correction and temperature rise considerations, necessitating corresponding design adjustments.
Q: What are the typical delivery times?
A: Standard products: 15-25 working days. Custom products: Typically 30-45 working days after technical confirmation. Specific dates negotiable.
Q: Do you provide on-site installation supervision?
A: Yes, we offer professional engineer on-site installation guidance. Technicians can be dispatched for installation, commissioning, and acceptance as per contract.
Q: What is the warranty period?
A: Standard warranty: 12 months after commissioning or 18 months after shipment (whichever occurs first). Extendable to 24 months upon request. Mining products may have customized warranties up to 25 years.
Q: How are warranty issues handled?
A: For quality issues during warranty, we provide free repair/replacement and bear related costs. Clients only need notify us promptly. We respond within 24 hours, providing resolution plan within 48 hours.
Q: Do you supply spare parts? For how long?
A: Yes, we supply genuine parts long-term, guaranteeing supply for 10 years post-production discontinuation.
Q: What international certifications do your products hold?
A: Products are ISO9001 certified and type-tested by national authorities. International certifications available upon request: CB Scheme (50+ countries), CE, UL, cUL, TÜV, EAC.
Q: Can you customize products to special requirements?
A: Yes, we offer comprehensive customization including dimensions, colors, configurations, special functions. Specific technical requirements can be discussed with our engineering team. 20+ years of customization experience.
Q: What are the environmental requirements for installation?
A: Indoor: -15°C~+40°C, daily avg humidity ≤95%, no severe vibration, no corrosive gases. Outdoor: -25°C~+40°C. Mining types require adaptability to underground conditions.
Q: How should routine maintenance be performed?
A: Routine maintenance includes visual inspection, cleaning, indicator checks, heater checks (if equipped). Simple checks monthly, comprehensive checks semi-annually, preventive testing annually. Refer to supplied maintenance manual.
Q: What key international standards do you follow?
A: MV: IEC 62271-200; LV: IEC 61439, IEEE C37.20.1; Mining: GB/T 12173. Design and test reports available per corresponding standards.
Q: Do you provide training?
A: Yes, we offer comprehensive training: on-site, centralized, video tutorials. Content includes principles, operating procedures, routine maintenance, fault handling.
Q: Are your products environmentally friendly? Any SF6 alternatives?
A: Conventional SF6 switchgear uses SF6 gas. We also offer eco-friendly products using dry air or nitrogen as insulation, achieving IP67 protection, completely SF6-free and more environmentally friendly.
Q: What functions do intelligent power distribution devices have?
A: Intelligent devices can be configured with monitoring units for online status monitoring, remote supervision, energy management, fault warning. Support multiple protocols for integration into smart grids or energy management systems.
Note: The above information is compiled based on standards such as IEC 62271, IEC 61439, IEEE C37, GB/T 3906, GB/T 12173, and general industry technical specifications. Specific product configurations and technical parameters are subject to final order confirmation. We reserve the right to continuously improve products based on technological advancements without prior notice.
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