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The standard units are equipped with two LEDs (READY and TRIPPED) and with 1NO and 1NC for switch-off and signalling. They are available with automatic RESET (3RN1010), manual RESET (3RN1011) or manual/automatic and remote RESET (3RN1012). The 3RN1012 unit holds on supply failure. If the control voltage fails, a previous trip will be memorised. A remote RESET function is implemented by connecting an external pushbutton with an NO contact to terminals Y1 and Y2. If terminals Y1 and Y2 are bridged, tripping is followed by an automatic RESET.
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