CG 40.5kV Series Sensors

High Insulation Resistance:Ensures electrical reliability and safety
Low Partial Discharge:Maintains excellent dielectric strength
Strong Epoxy Construction:Durable and resistant to environmental stress
Stable Voltage Endurance:Performs reliably under both power frequency and impulse voltages
Compact Design:Simplifies integration into high-voltage systems
Multiple Length Options:Supports flexible application scenarios
Precision-Molded:Provides consistent quality and performance

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Describe Display

The CG303 and CG304 series 40.5kV sensors are high-performance epoxy resin insulating components designed for use in high-voltage applications. These sensors feature excellent dielectric properties, extremely low partial discharge levels, and high insulation resistance, making them suitable for precision sensing and insulation in modern switchgear systems.

Available in various lengths and compact diameters, the sensors provide flexibility for diverse installation needs while maintaining mechanical robustness and electrical stability under demanding operating conditions.

Product parameters

Model	Rated voltage	Power frequency withstand voltage	Lightning impulse withstand voltage	Partial discharge	Insulation resistance	Material
C303-40.5kv / Φ146 × (320-240-360-380)	40.5kv	95kv/1min	185kv	≤10pC	≥5000MΩ (DC 2500V)	Epoxy resin
CG304-40.5kv / Φ80 × (320-340-360-380)	40.5kv	95kv/1min	185kv	≤10pC	≥5000MΩ (DC 2500V)	Epoxy resin

Service & Support

Our certification team consists of 85+ engineers with more than 20 years of professional experience

24/7 Service. Average emergency response time is limited to less than 12 hours

Suitable for substations, industrial power grids, new energy projects and other demanding scenarios