View item in Hamer catalogue: Test & Measurement on page 32
Features
Isolation Transformer for portable RCD testing only. Designed to avoid tripping of main switchboard RCD systems during the testing of portable RCD units. 240V AC to 240V AC @ 100mA max. When testing portable RCD's, this should be connected between the GPO & the portable RCD. This ensures that the switchboard RCD will not trip in the event of the RCD failing it's test. Pre-test on known circuit first. Incorporates Fuse Protected Input Switch
Input Power Indication (Red LED).
Output Power Indication (Green LED).
Detachable input power cable (Standard IEC to 3 Pin AU/NZ).
Ergonomic Design.
Impact Resistant and Flame Retardant housing.
Built in Carry Handle.
Robust and lightweight construction. Note; output power is limited to 500mA, 240V AC and must not be used for any other purpose.