40.5kV Porcelain Housed Cable Entry Type Bushing

Our FBRG-40.5kV composite housed rod type bushings feature high-performance silicone rubber housing with excellent hydrophobicity, pollution flashover resistance, and weather ability for 40.5kV outdoor applications.

• Rated voltage 40.5kV with current options from 630A to 6300A; creepage distance 1256mm ensures reliable performance in harsh environments.

• Partial discharge ≤10pC at 1.5 Um/√3 kV; dielectric loss factor ≤0.5%; power frequency withstand 95kV; lightning impulse withstand 200kV.

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

• Compact overall design with optimized installation lengths for easy system integration and spatial arrangement.

• Compliant with IEC 60137; ideal for substations, switchgear, and outdoor equipment connections.

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

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40.5kV Porcelain Housed Cable Entry Type Bushing

The 40.5kV draw-lead type transformer bushing features a robust porcelain housing designed for reliable cable-through connection in power transformers. Engineered for medium-voltage applications, this bushing ensures exceptional electrical insulation and mechanical stability under demanding operating conditions. The porcelain exterior provides superior surface protection against environmental stresses, pollution, and UV exposure, while the optimized internal construction guarantees low dielectric loss and minimal partial discharge. Ideal for grid infrastructure and industrial substations, it complies with IEC 60137 standards and delivers long-term performance across varied altitude and climatic conditions. Available in multiple creepage distances and terminal configurations to meet specific customer requirements.

Model	CBRG-40.5/630	CBRG-40.5/1250	CBRGL-40.5/630	CBRGL-40.5/1250
Rated voltage Ur (kV)	40.5	40.5	40.5	40.5
Rated current Ir (A)	630	1250	630	1250
Creepage distance (mm)	1256	1256	1256	1256
Altitude (m)	1000	1000	1000	1000
Dielectric loss factor (tanδ)	≤0.5%	≤0.5%	≤0.5%	≤0.5%
Outer insulation material	Porcelain	Porcelain	Porcelain	Porcelain
Partial Discharge at 1.5 Um / √3 kV (pC)	≤10	≤10	≤10	≤10
Color	Brown	Brown	Brown	Brown
Power frequency withstand voltage (kV)	95	95	95	95
Lightning impulse withstand voltage (kV)	200	200	200	200
Terminal material	Copper tin plating	Copper tin plating	Copper tin plating	Copper tin plating
Standard compliance	IEC 60137	IEC 60137	IEC 60137	IEC 60137
Overall length (mm)	1160±20	1180±20	1530±20	1550±20

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40.5kV Porcelain Housed Rod Type Bushing

40.5kV Composite Housed Rod Type Bushing

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