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72.5kV Hybrid Combined Switchgear

ZF53-72.5

Product Overview

Advanced switchgear designed for reliable power distribution and protection in utility and industrial applications.

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Technical Specifications

Rated Voltage72.5 kV
Rated Frequency50 Hz
Rated Current1250/2500 A
Rated Short-Time Withstand Current31.5 kA
Rated Short-Circuit Current Duration4 s
Rated Peak Withstand Current80 kA
Short-Time Power Frequency Withstand Voltage (To Earth/Across Open Contacts)160+42 kV
Lightning Impulse Withstand Voltage (To Earth/Across Open Contacts)380+59 kV
Mechanical Life10,000 cycles
Annual Gas Leakage Rate≤0.1% / year