Accessory/connection socket with increased socket volume on both sides of device installation opening to accept connection terminals. Torsion-resistant guaranteed standard combination spacing of 71 mm (to DIN 49 073–1) through snap-lock coupling. 8 break-out openings for cables and pipes to ? 21 mm, low-laying plaster holders, device screw spacing 60 mm, for screw fastening with self-tapping screws 3.2 mm, with four screw domes and two device screws, protection rating IP20.
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