Light source
Two tubes T26 (T8) 18 or 36 W.
Lamp base: Ex-certified lamp holders for T26 (T8) fluorescent tubes. 
Mounting
Surface or recessed mounting with included suspension rails or adjustable swingarm brackets.
Electric
The fixtures will be delivered with electronic ballast and are available with battery backup with 90 or 180 minutes duration. GRX3 will have one gland 25 each end.
Housing
Steel powder coated white RAL 9016
Application
Interior lighting fixture for use in marine and Ex-classified Zone 1 areas.
Design
According to rules of maritime classification and IEC norms. For recessed installation in variants of panel ceilings.
Cable entry
One M25 brass cable gland in each end (36W)
Two M25 brass cable gland in other end (18W) 
Optic/Diffuser
DP3:
Frame with double prismatic plastic diffuser. Frame for adaption to actual ceiling type to be ordered separately.
LL:
Low luminance louvre type LL and frame with polycarbonate sheet. Frame for adaption to actural ceiling type to be ordered separately. 
Termination
One 6 pole Ex-certified terminal block for max 6 mm² cable on 18W. Through-wiring and one termianl block each end on 36W.