Approvals/certifications Certified to EN54 Part 11 by the LPCB & VdS. Supply/operating voltage 30Vdc max. Product dimensions (mm) 93 W x 89 H x D 60mm (includes back box). 28mm D without back box. Construction & finish Red ABS. Plastic element. IP Rating IP24D. Weight 180g (130g without back box). Properties Supplied with a 470Ω resistor. Operating conditions/temperature -10ºC to +55ºC.