GIM series medium-voltage gas insulated switchgear is a dual-compartment type gas insulated switchgear.The gas compartment is fabricated from 3mm thick stainless steel plates by laser welding with magnetic levitation driven robots, and is equipped with high-performance vacuum circuit breakers.The complete switchgear features high reliability, maintenance-free operation and compact size, and is widely used in power supply, metallurgy, petrochemical, rail transit and other industries.
Rated Voltage: 40.5 kV1-Minute Power Frequency Withstand Voltage:To Earth and Between Phases: 95 kVIsolator Breaking Gap: 118 kV

Rated Lightning Impulse Withstand Voltage:To Earth and Between Phases: 185 kVIsolator Breaking Gap: 215 kV

Rated Frequency: 50 HzRated Current: 1250-4000 ARated Short-Circuit Breaking Current: 25 kA / 31.5 kA / 40 kARated Short-Circuit Making Current (Peak): 63 kA / 80 kA / 100 kARated Short-Time Withstand Current/Duration: 25/4 kA/s, 31.5/4 kA/s, 40/4 kA/sRated Peak Withstand Current: 63 kA / 80 kA / 100 kARated Operating Sequence: O-0.3s-CO-180s-CORated Gas Filling Pressure (abs, 20°C): 0.13 MpaAlarm Pressure (abs, 20°C): 0.12 MpaMinimum Operating Pressure (abs, 20°C): 0.12 MpaAnnual Leakage Rate: ≤0.1 %/YProtection Class:High-Voltage Components: IP67Low-Voltage Components: IP4X

Auxiliary Circuit Rated Voltage: DC/AC 110/220 VAuxiliary Circuit 1-Minute Power Frequency Withstand Voltage: 2 kV