Tester of type TOZ

The tester of type TOZ-1A is a portable device, in a suitcase form, basically designed to test low-voltage limiters TZD installed in the group bonding system. The tester is adapted to check TZD limiters without the deenergizing OCL. The tester has its own power supply – the battery, which can perform several dozens of tests without outer supply. The tester can be used to check limiters in the earth fault protection systems: EZZ, TUZZ and UZZ