Phase and Frequency Control Relay DC and AC voltage and frequency monitoring (5 Hz…50 Hz…60 Hz…70 Hz – 400 Hz)
TRMS measurement (true RMS AC+DC)
Monitoring: Under-voltage, over-voltage, imbalance, and phase loss; under-frequency, over-frequency
for single-phase or three-phase networks or DC voltage compatible with variable-speed drives (built-in PWM filter)
Phase sequence monitoring (optional)
RPL23uC: Micro-outage detection relay
RPL23peak: Peak voltage detection relay
RPL23Ho: Zero-sequence voltage protection relay
RPL23F: Frequency control relay up to 400 Hz
Voltage and fault display for rapid diagnostics
Configuration via pushbutton under the swivel front panel
Universal auxiliary power supply 20–265 V AC/DC or 100–400 V AC/DC
SIL2 option
The RPL23 network monitoring relay provides maximum protection for machinery and equipment
and detects network and voltage faults to prevent any serious consequences.