Limit signal transmitter, 1-channel, operating voltage 20,250 VAC / 20,250 VDC, monitoring of 3 limit values of a current or voltage input, supply of 2-wire or 3-wire transmitters/sensors, input circuit: 0/4.20 mA, 0/2...10 V, output circuit: three independent limit relays, setting of the limit relays via rotary coding switch, selection of hysteresis and direction of action of the relays via DIP switch, universal operating voltage, all-round galvanic isolation, input protected against reverse polarity, CFMUS, TR CU