126kV SF6/N2 Mixed Gas-Insulated Metal-Enclosed Switchgear
ZF53-126
Product Overview
Advanced switchgear designed for reliable power distribution and protection in utility and industrial applications.
Inquire NowTechnical Specifications
| Rated Voltage | 126 kV |
| Rated Current | 3150 A |
| Rated Frequency | 50 Hz |
| Rated Short-Time Power Frequency Withstand Voltage (Phase-to-Earth, Phase-to-Phase/Across Open Contacts RMS) | 230/230+73 kV |
| Rated Lightning Impulse Withstand Voltage (Phase-to-Earth, Phase-to-Phase/Across Open Contacts Peak) | 550/550+103 kV |
| Partial Discharge Level (at 184kV) | ≤5 (Whole Bay) p |
| Partial Discharge Level (at 184kV) | ≤3 (Single Insulator) p |
| Rated Short-Time Withstand Current (RMS) | 40 kA |
| Rated Short-Circuit Duration | 4 s |
| Rated Peak Withstand Current (Peak) | 100 kA |
| Rated Gas Pressure(Gauge Pressure 20°C) Circuit Breaker Compartment SF6 | 0.58 MPa |
| Rated Gas Pressure(Gauge Pressure 20°C) Other Compartments30% SF6+70%N2 | 0.58 MPa |
| Annual Gas Leakage Rate | <0.1 % |
| DSRated Busbar TransferCurrent | 1600 A |
| DSRated Busbar TransferVoltage | 100 V |