Welcome to HelloTrade!
I Want to Buy
Request for Quote
4 Yrs
No. 11, Star Industrial Estate, Near Saki Naka Telephone Exchange, Kurla Andheri Road, Andheri East
Mumbai, Maharashtra-400072, India+(91)-22-28596550
Contact Supplier

Under & Over Voltage Relay

Next Product »
Yes! I am interested
FOB Price : Get Price

To solve the problem of over and under voltage, we are engaged in offering microprocessor based Under & Over Voltage Relay. Our offered voltage relay is based on latest technology and fitted in 96 mm X 96 mm sq. enclosure. If electrical products are connected with load that is more than the settable limits of voltage, this voltage relay indicates the power cut with alarm.


  • Water
    purification and treatment plants
  • Paper
    and pulp industry - washers, head box feed, bleachers
  • Sugar
    industry - Pan alteration, Dialer automation
  • Chemical
    and petrochemical industry
  • Primary
    & auxiliary temperature controller for boilers
  • Water
    pumping stations, power plants and Under & Over Voltage Relay
    heat treatment furnaces
  • Seven
    segment LED display is provided for indication of settings and
    actual conditions

Principle of operation:

This voltage relay is based on the principle of precise sensing of actual voltage and w.r.to pre-set levels of permissible over & under voltage. Offered voltage relay activate protection circuit when the voltage crosses pre-set limit. Further, inform about this by activating alarm and indicating using LED.

Salient features:

  • Microprocessor
  • Designed
    by the experts
  • Made
    using quality approved glass epoxy boards and integrated circuits
  • Easy
    to configure
  • User
  • Absorb
    power supply transients using filter circuit and stabilized power
  • Stable
    display & display output help to view distance of more than 4

Burn - In:

Prior to delivery, offered voltage relay is checked under in electrically energized conditions for duration of 48 hours for ensuring the reliable performance and perfect design.

Type tests:

This voltage relay has undergone listed below tests at ERTL (West), STQC, Govt. Of India:

  • EMC
    Test: As per IEC - 61000 - 4 – 2 : 1995 for ESD and for HFD

  • Impact
    Shock Test as per IS 9000 (Pt. VII): 1997

  • Cold
    and Dry Heat Test as per IS 9000 (Pt. 11): 1977


  • Separate
    relay output for under & over voltage setting
  • User
    selectable Auto/ manual mode of resetting
  • Common
    relay output for any of the alarm condition


Invalid Input
Please enter Mobile Number
Invalid Email ID
Invalid Email ID
Your Contact Information
Competitive Quotes
Choice of Suppliers
Payment Protection
sending enquiry ....

unable to instantiate your call right now. please try after some time.


©Copyright HelloTrade.com