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The PNM 3U Rack Dummy Circuit Breaker is a testing solution designed for Digital Relays devices. With its ESSAILEC connections, intuitive touchscreen interface and multi-manufacturer compatibility (48V / 127V), it can accurately simulate all the operating conditions of a high-voltage dummy circuit breaker: motor reset, SF6 thresholds, plugging/unplugging, non-complementarity, Buchholz faults, etc.
The product is designed to fit easily into a 19-inch rack, with quick access to functions via HMI and physical buttons.
Shock-resistant (up to 5g), it features robust Schroff mechanics and an STM32 microcontroller for reliability and performance.
Dummy Circuit Breaker PNM






