Mission S12: Mission S12 is a linear luminaire designed specifically for subsurface rail applications Designed in accordance with fire precautions for subsurface rail stations (Section 12). Complies with London Underground subsurface standard S1085 utilising low smoke, zero halogen cables and control gear. IP65 and rated to IK10 (20 joules of energy). Extruded aluminium body with die-cast aluminium end caps, toughened opal laminated glass diffuser, held against silicone gasket by tamperproof screws. Removable electronic LED gear tray with fused terminal block provides ease of repair/upgrade. Tested to operate in ambient temperatures of up to 50°C and with efficacies of >94 lm/W. Suitable for surface mounting and finished in pure white or matt silver polyester powder coat. Colour Temperature:4000K CRI:>80 LED Lifetime L70B10>110,000h (4000K), L70B10>100,000h (3000K) at 25oC ambient. Driver Lifetime up to 100,000h at 25oC ambient.