 Ningi Services
M440 Motor Protection Relay
The M440 and M400 Motor manager was designed to control and protect pumps and related units such as motors. Through effective managements systems, the units save lives and electricity. The motor will only operate when necessary thus also on wear and tear. Impressive examples of saving on repairs and downtime, increased reliability and safety enhancements are available from all our satisfied customers.
Features:
- Self test facility, including Circuit test
- Alpha numeric display to indicate state of pump/circuit
- Timer functions to start/re-start the motor
- Remote Stop/Start
- Remote adjustments u/c, o/c, timer etc
- Number of start per minute
- Data logging (Hour meters & History)
- On board hour meter
- Run low/high indications
- Auto start off count down
- Auto stop after preset time
- Dry run count down
- Over current count down
- All parameters adjustable via infrared remote control
- Toll free technical support line 0800 000 40
- Self test facility (Ct open circuit & Core balance circuit)
- Two On Board hour meters
- Timer to start / re-start or stop the motor (Adjustable)
- Low circuit voltage on stop and start buttons
- Data logging (History of trips / On screen display or print-outs)
- Safe start (Press and release to start)
- Connection to a PLC
- Fully compatible with all automation software and plc’s
Protection Offered:
- Phase loss detection (Line & Load)
- Under voltage
- Phase Rotation
- Dry Run
- No Load detection
- Under current
- Over current (IDMT or Inst.)
- Lock Rotor detection
- Motor Short circuit protection
- Earth Leakage protection
- Starts per hour limitation
- Earth fault lockout protection
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