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Harmony Control Relays

Manufacturer: Schneider Electric
Range of product: Harmony Control Relays
Relay type: Current control relay
Relay monitored parameters: Overcurrent detection

Product Description

These control relays monitor and detect abnormal operating conditions through a comprehensive range lineup, including phase control relay, current monitoring relay, voltage control relay, frequency control relay, speed control relay, and temperature control relay. They also control the liquid level and process operating rate. They were formerly known as the Zelio Control Relay range.

Standard Features

Harmony Control Relays monitor and detects abnormal operating conditions concerning phase, current, voltage, liquid level, frequency, speed, temperature, and pump control.

  • Wide monitoring parameters (phase, current, voltage, liquid level, frequency, speed, temperature, and pump control) to meet your application needs.
  • True root mean square (RMS) measurement that minimises the possibility of unexpected trips from highly polluted networks.
  • Diagnostic button that helps you check the downstream circuit immediately without sending a fault input signal to the relays.
  • Experience simplified product selection, unprecedented accuracy, predictive maintenance, and superior security with NFC Control Relay.

Technical Specifications

FunctionRated supply voltageTime 
delay
Reference
Overcurrent (without memory)24…240NoRM22JA21MR
Overcurrent (with/without memory)
Undercurrent (with/without memory)
Overcurrent and undercurrent in window mode (with/without memory)
24…240Off delay (0.1...30 s)RM22JA31MR
24…240Off delay (0.1...30 s)RM35JA32MR
380…415Off delay (0.1...30 s)RM35JA32MT
Overvoltage or undervoltage (with/without memory) 9…15Off delay 0.1...10RM17UAS14 
20…80Off delay 0.1...10RM17UAS16 
65…260Off delay 0.1...10RM17UAS15 
Overvoltage and undervoltage in window mode (without memory)20…80Off delay 0.1...10RM17UBE16
65…260Off delay 0.1...10RM17UBE15

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