GW5-40.5 72.5 126 Outdoor High Voltage AC Disconnector

Our GW5 series outdoor disconnectors feature robust double-column design for reliable no-load switching across 40.5kV, 72.5kV, and 126kV systems.

• Rated current up to 2000A with short-time withstand up to 50kA/4s and peak withstand up to 125kA.

• Mechanical endurance of 10,000 operations; optional earthing switches on one or both sides.

• Terminal load capacity of 1000N longitudinal and 750N transverse/vertical for reliable field installation.

• Available in standard and pollution-resistant types with creepage distance up to 3906mm; adaptable to -30°C to +40°C and altitudes up to 2000m.

• Fast delivery, reliable quality, responsive service, and extensive project experience backed by our company.

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Model and Its Designation

G W 5 - 40.5, 72.5, 126 ☑ (W) □

G: General Purpose Disconnector

W: For Outdoor Installation

5: Design Serial Number

40.5, 72.5, 126: Rated Voltage (kV)

□: Rated Current (A)

(W): Pollution Resistant Type (Optional)

□: Equipped with an Earthing Switch (Optional)

Technical Specifications

Designation			Unit	Parameter
Rated Voltage			kV	40.5,72.5,126
Rated Insulation Level	1-minute Power-frequency Withstand Voltage (r.m.s.)	to Earth	kV	95,160,230
	1-minute Power-frequency Withstand Voltage (r.m.s.)	across the isolating distance	kV	118,200,230+70
	Rated Lightning Impulse Withstand Voltage (peak)	to Earth	kV	185,350,550
	Rated Lightning Impulse Withstand Voltage (peak)	across the isolating distance	kV	215,410,550+100
Rated Frequency			Hz	50
Rated Current			A	630,1250,1600,2000
Rated Short-time Withstand Current			kA	20,31.5,40,50
Rated Peak Withstand Current			kA	50,80,100,125
Rated Short-circuit Duration (Main Switch / Earthing Switch)			S	4/2
Rated Terminal Mechanical Load		Longitudinal	N	1000
		Transverse	N	750
		Vertical	N	750
Creepage Distance			mm	1013,1256,1813,2284,3150,3906
Mechanical Endurance			times	10000
Motor-operated Mechanism		Model		CJ6B
		Motor Supply Voltage	V	AC380,AC220,DC220,DC110
		Control Circuit Voltage	V	AC380,AC220,DC220,DC110
		Opening Time, Closing Time	S
Manual-operated Mechanism		Model		CS17,CS17D,CS170D,CS17-G-G₆
Manual-operated Mechanism		Solenoid Lock Supply Voltage	V	AC220,DC110,DC110
Total Weight		Without Earthing Switch	kg	300,350,400
		With One Earthing Switch	kg	510,585,660
		With Two Earthing Switches	kg	800,900,1000

Normal Service Conditions

1. Ambient Air Temperature: -30°C to +40°C.

2. Altitude: Not exceeding 2000 m above sea level. (Products for special requirements can be provided).

3. Wind Speed: Not exceeding 34 m/s.

4. Installation Site: Free from flammable substances, explosion hazards, chemical corrosion, and severe vibration.

5. Pollution Class for Post Insulators: Standard Type: Class 0; Pollution Resistant Type: Class II.

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