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The WVM Series provides protection against premature equipment (motor) failure caused by voltage faults on the 3-phase line. The WVM’s microcontroller design provides reliable protection even if regenerated voltages are present. It combines dependable fault sensing with a 10 fault memory and a 6 LED status display. Part instrument, part control, the WVM protects your equipment when you’re not there and displays what happened when you return. The WVM is fully adjustable and includes time delays to prevent nuisance tripping and improve system operation. Time delays include a 0.25 to 30s adjustable trip delay, an adjustable 0.25 to 64m (in 3 ranges) restart delay, plus a unique 3 to 15s true random start delay. The random start delay prevents voltage sags caused by simultaneous restarting of numerous motor loads after a power outage.
See datasheet for operation details.
- Proprietary microcontroller based circuitry
- Fault memory
- LED indication
- Switch selectable automatic restart, delayed automatic restart, and manual reset
- Random start delay
- Constant monitoring to protect against phase loss, phase reversal, over voltage, under voltage, unbalance, and short cycling
- Stores the 10 most recent faults, which provides diagnostics for troubleshooting
- Provides visual indictation of existing relay/fault status or faults stored in memory.
- Allows user adjustment to handle unique application requirements
- Prevents voltage sags caused by simultaneous restarting of multiple motor loads after a power outage
WVM Parts
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