Wiring issues with three phase 415v supplies can cause damage to expensive equipment. This handy socket tester is available in 16A and 32A types, which plug directly into a 415v IEC60309 commando socket, or extension.
The LED display indicates correct wiring, the direction of rotary fields and 7 different fault conditions:

Specification:
- Detects correct wiring, the direction of rotary fields and 7 different fault conditions.
- Easy to use with a clear LED indication of wiring status.
- Compatible with 415v 16A or 32A IEC60309 commando sockets.