Thermistor motor prot. relay Device for warning and tripping 22.5 mm enclosure Spring-type terminals 1 NO contact + 1 CO contact US = 24 V-240 V AC/DC Manual/Auto/Remote RESET with ATEX certification 3 LEDs (READY/WARNING/TRIPPED) Protective separation Test/Reset button Open-circuit monitoring Short-circuit monitoringNon-volatile 2 separate PTC sensor circuits