KEWISO4 Safe Isolation Kit

Product Information

Key Benefits

  • The ultimate solution for safe isolation procedures - with a voltage only two pole tester
  • UK specific KT1720 two pole tester
  • Permanently GS38 with retractable probe tip sleeves
  • Kewprove 3 proving unit with a transparent window – so available for hassle free use at any time
  • Kewlok – universal lock off device with selectable combination


Key Features & Included


  • Ideal for those that want a dedicated voltage tester, without continuity function
  • Permanently complies with GS38 with retractable probe tip shrouds
  • Unique colour twin LED arrays for each voltage giving clear voltage indication
  • Design to be comfortable hold easily when using PPE equipment
  • Fitted with 1.4m of durable double insulated flexible test lead quality cable
  • No batteries required
  • Complies with the latest  Two Pole Tester standard  BS EN 61243-3:2010


  • One size fits most MCBs and toggle type main switches
  • Easy to use combination lock
  • User selectable integral combination padlock for memorable combination numbers
  • No need for separate lock and no keys required.
  • Saves having multi piece lock out kits
  • Comes with two warning labels that can be secured to the shackle and give user information


  • High output will drive even the most high current voltage detector
  • Instant ramp up and then step down will prove 690, 400, 230, 120 & 50v voltage levels

Carry Bag

  • Durable carry bag with a shoulder strap and transparent window for the proving unit. Space to carry extra tools.