Siemens Monitoring Relays 3RN2023-1DW30Siemens, Thermistor motor protection relay Device for warning and switching off 22. 5 mm enclosure screw terminal 1 NO contact + 1 CO contact US = 24 V 240 V AC DC Manual Auto Remote reset with ATEX approval 3 LEDs (READY WARNING TRIPPED) Safe galvanic isolation Test reset button Wire break monitoring Short circuit monitoring non volatile 2 separate PTC sensor circuits
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