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Slim, strong bulkhead for both interior and exterior applications.
  • Designed for use within subways, underpasses and tough urban environments.
  • Impact resistance rating: IK16 (150 joules of energy).
  • Ingress protection rating: IP65.
  • Suitable for wall or ceiling mounting.
  • Zinc coated steel body finished in black polyester powder coat.
  • Opal polycarbonate diffuser held against gasket by tamperproof screws.
  • Electronic control gear on removable tray with fused plug & socket connector block.
  • Provision for conduit entry in back and ends, gaskets provided.

Technical Information

LED Temp Load Lum/lm Efficacy CRI Weight
D557/1200NW/XB 4000K 14W 1200 lm 86lm/W CRI>80 3.5kg
D557/1800NW/XB 4000K 21W 1800 lm 86lm/W CRI>80 3.5kg

Fitting Options

Textured white finish replace B with W
Titanium finish replace B with C49
Integral 3 hour duration emergency add suffix /EM3
Photocell add suffix /PEC
Blank ends add suffix /BE
Recessed add suffix /R
Anti-ligature version replace D557 with D558
For use with 50V or 110V ac/dc central battery systems add suffix /EV
240V changeover relay add suffix /ER


Slim, strong bulkhead for both interior and exterior applications.


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