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Motor Insulation Permanently Installed Testers

Power Precision has multiple solutions for monitoring electrical insulation on motors.   

The MegAlert measures and monitors motor insulation when the motor is de-energized.

Permanent installation of an automatic motor insulation monitor will reduce arc flash and electrical hazards by avoiding worker exposure to high voltage equipment, disconnect operation, and lockouts.


  • Test Voltages up to 13.8kV
  • Adjustable Control Power Voltage
  • Input signal for start/stop test command from PLC or motor circuit
  • Pre-alarm/alarm/lockout contacts
  • Analog output and meter for motor insulation test results
  • LED indicating lights

Meg Alert - YouTube

Digital Megohm Meter

Digital Megohm Meter D1

Motor Guard Brochure

Magazine Article - Continuous Insulation Resistance Testing Boosts Motor Productivity

Continuous 'Hands Off' Insulation Resistance Testing of Critical Motors

Motor Insulation Catalogue


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Mining and Metals

Contact Info

1780 Connolly Ave
Bathurst, New Brunswick
E2A 4W7