RCD Tester loop
RC2000 - Martindale Electric Co. Ltd
Fast and easy to use and suitable for testing all common RCDs up to 500mA. The RCD rating is set using the convenient centrally located rotary switch. Three different currents (full, half and fast test) are available at a touch on one selector, and 0° or 180 & deg (positive /negative half cycle) can be set on the second selector.