The Crouzet 84873026 HWUA is a three-phase voltage monitoring relay designed for industrial applications requiring protection against phase imbalances, sequence errors, and over/undervoltage conditions. This relay is particularly suitable for systems operating within the 220–480 VAC range.
Model: 84873026 HWUA
Voltage Range: 3-phase 220–480 VAC
Relay Output: DPDT (Double Pole Double Throw)
Contact Rating: 5A, 250V AC/DC
Mounting: 35 mm DIN rail
IP Rating: IP20 (connection), IP30 (housing)
Operating Temperature: -20°C to +50°C
Time Delay Settings:
Startup Delay: 0.5 seconds
Alarm Delay: 0.2 seconds
Threshold Crossing Delay: 0.1 to 10 seconds
Certifications: UL, CSA, RoHS
The HWUA relay offers comprehensive monitoring capabilities
Phase Sequence Monitoring: Detects incorrect phase order.
Phase Failure Detection: Identifies total phase loss.
Phase Asymmetry Detection: Monitors voltage imbalance between phases.
Overvoltage and Undervoltage Detection: Monitors voltage levels exceeding or falling below set thresholds.
Malaysia
