Measuring field, complete field, with meter cross, for indoor use, applicable standards: DIN EN 61439-1,0660-600-1, dimensions in mm (H x W x D): 1350 x 250 x 160, number of meter spaces for individual tariff 1, number of SG spaces 1, number of transformer meter spaces 1, including test terminal as specified by NB, intermediate terminal area wired in the access as per TAB A.5, note: transformer systems must be installed in a separate housing, locking unit 9 RE, height 5, field width 1, space units 108, plastic covers, sealable quick-release fastener, RAL 7035