Megger MPU690 Proving Unit

£68.00 Plus VAT

  • 5 stepped nominal output voltages
  • Automatic operation
  • High output power suitable for test lamps
  • Extended battery life
  • Magnetic base
  • Rugged Megger MPU690 carry case

Out of stock



Megger MPU690 Proving Unit

The Megger MPU690 proving unit is a portable battery operated unit.  It will verifying the correct functionality of a voltage tester. It will also generate five stepped nominal output voltages from 50 to 690 volts. When the Megger MPU690 Proving Unit is turned on it will first generate 690 volts. Therefore it will then slowly go down through each voltage step until the device turns off.

The Megger MPU690 Proving Unit will establish the correct operation of voltage indicators through the use of the output power rating along with the spacing of the output terminals.

Megger MPU690 Proving Unit Technical Specifications:

  • Output voltage: 50 – 690 volts in five stages: 50 V, 100 V, 230 V, 400, 690 V
  • Power output: 10W max.
  • Power On / Off: Automatic on when probes are inserted into output terminals / auto off
  • Indicators: 5 LEDs for output voltages plus power LED
  • Power supply: 6 x AA / LR06 alkaline batteries

We also have the other Megger items available for purchase. Why not have a look?  We also have Megger items available to buy as a bundle, saving you money!

Why choose Capricorn Electrical?

Capricorn Electrical Limited is a one stop, first class service offered to both domestic and commercial customers. We understand just how important current UK regulations are.  Therefore all of our first class service work will be fully compliant and of the highest standard. We have a team of fully qualified and experienced experts on hand. 

Further more customer service is paramount to Capricorn Electrical. This is why we will strive to complete all of our jobs within a professional, timely and compliant manner.

As well as our first class service electrical work we stock a wide range of new electrical parts.  Capricorn Electrical is proudly renown for selling and sourcing obsolete electrical parts. These range from circuit breakers made by Eaton to Legrand 630 Amp four pole MCCB.

All of our products and services can be found on line, so what are you waiting for?  Have a look and see for yourself!

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Contact us!

Can’t find what your looking for? Not a problem! Just give a call on 0121 248 1122, one of our friendly sales team are waiting to assist you.  Alternatively you can email your requirements to or


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