1. Electricity - Electronics > 
  2. Switch and Relay > 
  3. Phase loss protection relay > 
  4. General Industrial Controls (P) Ltd.

Over-voltage protection relay SM 500under-voltagephase lossphase unbalance

over-voltage protection relay
over-voltage protection relay
Add to favorites
Compare this product
indicative price


Measured/monitored value
over-voltage, under-voltage, phase loss, phase unbalance
Other characteristics
DIN rail, adjustable


The SM 500 model engineered by General Industrial Controls, is an under voltage and overvoltage protection relay that functions as a protection against phase loss and phase reversal. This device is capable of being configured for a 3 phase 4 wire or single phase system. In addition, it is equipped with a voltage sensing principle and delivers an adjustable time delay.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.