Under Frequency Relay

Under Frequency Relay

Product Details:

  • Supply Ability : As per client requirement Per Week
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Product Description

Being a quality-centric firm, we are able to offer our valuable clients a wide range of Under Frequency Relay. These are manufactured by utilizing the optimum quality basic metals and other allied components and modern technology at our production units. Our offered range of Under Frequency Relay is made available in standard sizes and can be customized as per the specifications provided by the clients. In addition to this, these are delivered to the clients at reasonable rates. 

Under Frequency Relay

This relay functions on a given value of frequency. The unit trips for under frequency of below the set value with set time delay.


Under frequency used as a backup protection to protect the field winding from over excitation from the voltage regulator due to under speed.

Technical Specifications

  • Input: 415V, 2 Phase,50Hz
  • 110V, 2 Phase, 50Hz
  • Output: 1 No + 1 NC (Potential free)
  • Frequency adjustment range: 40-50Hz (adjustable)
  • Time delay: 0-15 seconds (adjustable)
  • Repeat accuracy: Less than 1%
  • Relay status: Relay energises for healthy supply and de energises for under frequency
  • Contact rating: 5 Amps @ 230V AC
  • 2 Amps @ 24V DC
  • Differential: 1-2%
  • Dimension: L240xB105xH60mm
  • Ambient Temperature: 0-50 Degree Celcius. 

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