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The Siemens 5ST3020 fault signal contact signals the automatic tripping of the miniature circuit breaker in the event of a fault, such as an overload or short circuit. It is designed for use with 5SL, 5SY, and 5SP miniature circuit breakers. The red reset button indicates automatic tripping of the MCB.
The Siemens 5ST3020 fault signal contact is for use with 5SL, 5SY, and 5SP miniature circuit breakers.
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