Power monitoring relay
- Adjustable overvoltage / undervoltage monitoring
- Adjustable switching hysteresis
- Adjustable frequency monitoring (AC)
- Adjustable asymmetry (AC)
- Adjustable network type / operating voltage
- Adjustable time delay
- 2 changeover contacts (individually configurable)
- Operation and display via graphic screen
Undervoltage/overvoltage monitoring relay DC
- Under- / overvoltage monitoring for DC
- Selectable voltage ranges: 24 V / 60 V / 110 V / 220 V DC
- Width of 17.8 mm / 1 HP
- Adjustable under- / overvoltage thresholds
- Power consumption below 1 W
- LED fault indication for under- / overvoltage
Phase Indicator
- Indication of all 3 phases via green LEDs (phase to neutral)
- LED indication on L1 for DC (L1+ / N–)
- Width of 17.8 mm / 1 HP
- Power consumption below 1 W
- Voltage range 85–690 V AC/DC
Undervoltage/overvoltage monitoring relay
- 3-phase monitoring for undervoltage, overvoltage, phase failure, and phase sequence
- Monitoring of the neutral conductor
- Width of 17.8 mm / 1 HP
- Adjustable under- / overvoltage thresholds
- Power consumption below 1 W
- LED fault indication
- For single-phase applications, comfort connection L/N integrated (eliminates complex bridging of conductors L1, L2, and L3)
Undervoltage monitoring relay - adjustable
- 3-phase monitoring for undervoltage, overvoltage, phase failure, and phase sequence
- Monitoring of the neutral conductor
- Width of 17.8 mm / 1 HP
- Adjustable under- / overvoltage thresholds
- Adjustable time delay
- Power consumption below 1 W
- LED fault indication
- For single-phase applications, comfort connection L/N integrated (eliminates complex bridging of conductors L1, L2, and L3)
Undervoltage monitoring relay with phase sequence detection
- 3-phase monitoring for undervoltage, overvoltage, phase failure, and phase sequence
- Monitoring of the neutral conductor
- Width of 17.8 mm / 1 HP
- Switching voltage at 85%, delay 0.5 sec
- Power consumption below 1 W
- LED fault indication for phase rotation, phase errors, and neutral faults
- Test button
- For single-phase operation, direct connection via terminal L; N possible
Undervoltage monitoring relay
- 3-phase monitoring for undervoltage and phase failure
- Monitoring of the neutral conductor
- Width of 17.8 mm / 1 HP
- Switching voltage at 85%, delay 0.5 sec
- Power consumption below 1 W
- Test button