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Transient Suppressor Metal-Oxide Varistor

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Quoting product code: CP76H


About this product


  • Can be used with both DC and AC circuits
  • 275V maximum voltage
  • 2500A peak current

Product overview

  • Can be used with both DC and AC circuits
  • 275V maximum voltage
  • 2500A peak current
  • 710V clamping voltage

These devices are simply connected directly across the power supply. They have a very high resistance up to the Vm voltage shown in the table below and therefore usually may be ignored, but the moment a transient spike appears on the supply line which exceeds Vm, the impedance of the device drops immediately to a very low level while it dissipates the unwanted energy. For example, Suppressor 275Vac can be connected directly across the UK mains supply.Please note that the use of AC in the description is simply an indication of its most likely use. Both types can be used equally in AC or DC circuits up to the Vm stated.* Current ratings are for a typical transient pulse where peak current is reached in 8µs and the pulse has decayed to 50% of its peak value after a further 12µs. It is a standard method of rating these devices and is usually described as an 8/20µs current wave rating.


Type Device Continuous Peak Clamping
marking voltage (max) current* voltage*
Vmac Vmdc
275Vac VDRS10P275xyE 275V 350V 2500A 710V

how to connect mov in the circuit

Asked by: sramu
I’m sorry but we do not give advice on any kind of project for liability reasons, If you are unsure of what you are doing with this I can only recommend you get advice from an electrician, we are not qualified electricians so are not able to provide design help, We can only give technical specifications for the items on our site.
Answered by: Dominic
Date published: 2016-10-08
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