Monitoring relays

Monitoring relay for monitoring 3-phase voltages of 400 V AC (3N~400/230 V AC) ±30%, undervoltage, window, phase sequence, phase failure, 1 changeover contact, with screw connection

3-phase voltage monitoring relay, 24 V AC/DC … 240 V AC/DC wide range power supply, monitoring for phase sequence, phase failure and asymmetry (with adjustable asymmetry and response delay). It can be configured using smart phone app via NFC wireless communication function, 1x2 PDT dry contact outputs, closed circuit principle, auto reset, optional screw connection and plug-in connection.

1-phase voltage monitoring relay, 24 V AC/DC … 240 V AC/DC wide range power supply, with adjustable threshold values, response delay, and the functions can be selected by configuration.

1-phase voltage monitoring relay, 24 V AC/DC … 240 V AC/DC wide range power supply, with adjustable threshold values, response delay, and the functions can be selected by configuration.

Temperature monitoring relay of the motor winding (max. 2x3 PTCs) for temperature sensors according to DIN 44081 and DIN 44082 with short-circuit monitoring of the PTC thermistor circuit, dynamic line break monitoring, 2-channel detection circuit.
It can be read using smart phone app via NFC wireless communication function, 1x2 PDT dry contact outputs, closed circuit principle, manual reset, optional screw connection and plug-in connection.

3-phase voltage monitoring relay with RS-485 interface（160…690V AC）, with overvoltage, undervoltage, window monitoring as well as phase sequence, phase loss failure, asymmetry (adjustable asymmetry) monitoring functions. 24…240VAC/DC wide range power supply, with adjustable threshold values and response delay. Supports failure record storage. Supports NFC communication and Modbus/RTU communication, with two configuration possibilities. 1 PDT dry contact output, plug-in connection.

3-phase voltage monitoring relay, 24 V AC/DC … 240 V AC/DC wide range power supply, monitoring for phase sequence, phase failure and asymmetry (with adjustable asymmetry and response delay). It can be configured using smart phone app via NFC wireless communication function, 1x2 PDT dry contact outputs, closed circuit principle, auto reset, optional screw connection and plug-in connection.

3-phase voltage monitoring relay, with overvoltage, undervoltage, window monitoring as well as phase sequence, phase loss failure, asymmetry (adjustable asymmetry) and neutral monitoring functions. 24 V AC/DC … 240 V AC/DC wide range power supply, with adjustable threshold values, response delay, and supporting failure record storage and NFC communication. True RMS value test.

3-phase voltage monitoring relay, with overvoltage, undervoltage, window monitoring as well as phase sequence, phase loss failure, asymmetry (adjustable asymmetry) and neutral monitoring functions. 24 V AC/DC … 240 V AC/DC wide range power supply, with adjustable threshold values, response delay, and supporting failure record storage and NFC communication. True RMS value test.

Current monitoring relay, 24 V AC/DC … 240 V AC/DC wide range power supply, with adjustable threshold values, response delay, and the functions can be selected by configuration.