126kV Composite Housed Rod Type Bushing

Our 126kV composite housed rod type bushings feature fully sealed dry-type capacitive cores with high-performance silicone rubber housing, designed for conductor wall-penetration insulation in transformers, reactors, and GIS applications.

• Rated voltage 126kV with current options from 630A to 2500A; creepage distance up to 3960mm ensures superior pollution flashover resistance.

• Partial discharge ≤10pC at 1.5 Um/√3 kV; power frequency withstand 255kV; lightning impulse withstand 550kV for exceptional reliability.

• Tin-plated copper terminals provide low contact resistance; suitable for altitudes up to 1000m.

• Maintenance-free silicone rubber housing offers excellent weather ability, mechanical strength, and environmental adaptability.

• Compliant with IEC 60137; ideal for high-voltage transmission and distribution systems.

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

Product Overview

The 126kV Dry-Type Capacitive Transformer Composite Bushing (Through Rod Type) is a key insulation and current-carrying component specifically designed for high-voltage electrical equipment at the 126kV level. It features a fully sealed dry-type capacitive core and a high-performance silicone rubber composite housing, making it suitable for conductor wall- or tank-penetration insulation in transformers, reactors, GIS, and similar equipment. The product offers excellent electrical performance, mechanical strength, and environmental adaptability.

This series provides five current ratings from 630A to 2500A, meeting the insulation and current-carrying requirements of equipment with varying capacities. Suitable for installations at altitudes up to 1000 meters above sea level, it serves as a safe, reliable, and maintenance-free core insulation component in high-voltage transmission and distribution systems.

Technical Specifications

Model	FBRG-126/630	FBRG-126/1250	FBRG-126/1600	FBRG-126/2000	FBRG-126/2500
Rated Voltage (Ur)	126 kV	126 kV	126 kV	126 kV	126 kV
Rated Current (Ir)	630 A	1250 A	1600 A	2000 A	2500 A
Creepage Distance	3900 mm	3960 mm	3906 mm	3900 mm	3906 mm
Altitude	1000 m	1000 m	1000 m	1000 m	1000 m
Dielectric Dissipation Factor (tan δ)	>0.5%	>0.5%	>0.5%	>0.5%	>0.5%
External Insulation Material	Silicone rubber	Silicone rubber	Silicone rubber	Silicone rubber	Silicone rubber
Partial Discharge (at 1.5Um/√3)	≤10 pC	≤10 pC	≤10 pC	≤10 pC	≤10 pC
Color	Grey	Grey	Grey	Grey	Grey
Power Frequency Withstand Voltage	255 kV	255 kV	255 kV	255 kV	255 kV
Standard Compliance	IEC 60137	IEC 60137	IEC 60137	IEC 60137	IEC 60137
Lightning Impulse Withstand Voltage	550 kV	550 kV	550 kV	550 kV	550 kV
Terminal Material	Tin-plated copper	Tin-plated copper	Tin-plated copper	Tin-plated copper	Tin-plated copper

Model	FBRGL-126/630	FBRGL-126/1250	FBRGL-126/1600	FBRGL-126/2000	FBRGL-126/2500
Rated Voltage (Ur)	126 kV	126 kV	126 kV	126 kV	126 kV
Rated Current (Ir)	630 A	1250 A	1600 A	2000 A	2500 A
Creepage Distance	3906 mm	396 mm	396 mm	396 mm	3906 mm
Altitude	1000 m	1000 m	1000 m	1000 m	1000 m
Dielectric Dissipation Factor (tan δ)	>0.5%	>0.5%	>0.5%	>0.5%	>0.5%
External Insulation Material	Silicone rubber	Silicone rubber	Silicone rubber	Silicone rubber	Silicone rubber
Partial Discharge (at 1.5Um/√3)	≤10 pC	≤10 pC	≤10 pC	≤10 pC	≤10 pC
Color	Grey	Grey	Grey	Grey	Grey
Power Frequency Withstand Voltage	255 kV	255 kV	255 kV	255 kV	255 kV
Standard Compliance	IEC 60137	IEC 60137	IEC 60137	IEC 60137	IEC 60137
Lightning Impulse Withstand Voltage	550 kV	550 kV	550 kV	550 kV	550 kV
Terminal Material	Tin-plated copper	Tin-plated copper	Tin-plated copper	Tin-plated copper	Tin-plated copper

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