Unloaded Faceplate Shuttered Module
 - Unloaded faceplate accepts either 2 or 4 BS 50 mm shuttered modules
 - Dimensions faceplate: 86 x 86 mm (single gang)
 - Single shuttered 50mm module (spring loaded shutter)
 - Dimensions module: 25 x 50 mm     
 Color: signal white (RAL 9003)