Single pole ammeter selector switches with centre OFF to use with 3 current transformers. Single hole ?2mm mounting. Two different types of escutcheon plate, 1 standard escutcheon 49 x 49mm and 1 extended escutcheon 49 x 60.4mm with Ammeter legend at the top.

Rated thermal current     20 Amp
Nominal voltage           690 V
Motor rating AC-23A       7.5 kW
Dielectric strength       6 kV
Conforms to IEC 947-3, EN60947-3, VDE 0660 part 107
Dimensions (mm)           L      A     B     C      M
                          52.5   49    43    6 max  20
Note:
R (red phase)             Live 1
Y (yellow phase)          Live 2
B (blue phase)            Live 3
N                         Neutral