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![AC three-phase protection box AC three-phase protection box](https://www.wattuneed.com/8741-large_default/a-three-phase-ac-protection-package.jpg)
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Three-phase 380V protection box.
Tetra circuit breaker: 16, 20, 25 or 40A
Optional: 3 mono 25A circuit breakers used when 3 WKS are connected in three-phase.
Differential switch: 300mA 4P 63A Type A
Please choose a circuit breaker
A three-phase set to protect your installation with a differential switch and circuit breaker
Circuit breaker 16, 20, 25 or 40A
Optional: 3 mono 25A circuit breakers used when 3 WKS are connected in three-phase.
Differential 300mA 4P 63A