IEC 60309 formerly IEC 309 16a socket by Walther where all the rear part of the casing is clear. This enables you to see the electrical connect to the cable. Excellent for visual inspections as you do not need to open the plug.
Voltage Range 200 - 250v, Frequency Range 50 - 60 Hz, Poles 2P + E, Earth = 6h.
Suggested Cable 1.0 - 2.5 (mm squared).
Made to IEC 60309-1 & 2, EN 60309 part 1 & 2.