Dexpax LED - 1500mm, IP20 Surface mounted batten luminaire, with Open area optic. Suitable for trunking, conduit mounting and surface mounting ensuring compatibility with most installations. Options: E3 - Emergency control gear (547 lumens output) ST3 - Emergency Selftest AT3 - Emergency Autotest (can't combine with dimming) S - Switch Dimming D - Digital Dimming (DSI) A - Digital Addressable Lighting Interface (DALI) C - Bi-Level Dimming (Corridor Function) H - High Frequency Dimming (Analogue 1-10v) R21E - Reacta 21, On/Off R21C - Reacta 21, Corridor Mode* *Bi-Level Dimming. Will only dim the luminaire to 10% during absence and brightout, it will not turn the luminaire off. DPL BESA - BESA Box Mounting Kit DPL SUSP - 3m Wire Suspension Kit