Vacuum circuit breaker
The ZN139-12 series vacuum circuit breakers are in the form of solid-insulation-embedded pole main circuits. The operating mechanisms are divided into two types: spring-operated type and permanent magnet type. It has a wide range of compatibility and interchangeability..
➥ The level of salt spray resistance test up to 300hrs
➥ Use the German INA customized oil free bearings
➥ Mechanical life of 30,000 cycles
➥ Spring mechanism self contained with energy storage lever
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