Surface-mounting set for retrofitting BL4 FC devices The SM mounting set is suitable for the following devices: BL4-FC, BL4-C-FC Dimensions: Ø 109 x 34 mm Impact resistance level: IK06 Material color: white Manufacturer: B.E.G. Brück Electronic GmbH Description: Mounting set BL4-SM Material color: white Item number: 93183 -