Temperature controller for thermocouple NiCr - Ni, Temperature Range 0 to + 999 ° C , hysteresis adjustable , Digital limit setting , cold junction temperature +25 ° C , monitoring the sensor cable for breaks , open-circuit principle , nominal voltage : ( specify when ordering) DC 24V, AC 220-240 V 50 - 60 Hz , 1 changeover contact assembly , screw clamps , mounting : DIN rail, Width 45 mm