Meter exchange plate, measuring field, with meter cross, for indoor use, dimensions in mm (H x W x D): 750 x 750 x 175, number of reserve spaces 3, number of transformer meter spaces 1, note: assembly and wiring to be provided by the customer, transformer test terminals and wiring set for current and voltage may have to be ordered separately, provision of the meter exchange plate must be agreed with the NB, locking unit 5 RE, height 1, field width 3, space units 180, covers made of plastic, RAL 7035