Explosion proof interior lighting fixtures are applicable for hazardous areas, zone 1. They are designed according to rules of maritime classification societies and IEC standards. Ceiling recessed mounted luminaire for LED with easily adjustable mounting brackets, combined with front covers fitted to specific ceiling types. Electro-galvanised steel luminaire housing with white epoxy/ polyester powder coated paint finish. Front cover plates are to be ordered separately. Front covers with polycarbonate guard and with double prismatic diffusers (DP) as standard. Frame (FR) for 2 different ceilings: DAMPA/ DAN M300 or NORAC B500. Emergency 1,5 hour (E1) or 3 hours (E3). Frames for emergency as FR GRX3-E (integrated battery) or FR GRX-EB (batterybox). Frame (FR) is to be ordered separately as it is accessories.