K9R21/3N-230X2 Minimalistic design round emergency luminaire for escape route lighting. Recessed mounted. For central supply. Dimensions: Ø 90 mm x 37 mm. Powder coated zamak housing with sunk optics and flush aspect with spring mounting, electronics in separate polycarbonate housing with screwless opening, automatic electrical connection, screwless wire terminals (up to 2.5 mm²). Line-shaped light distribution, optimized for 1 lux along the escape route axis. Lumen output in emergency mode: 280 lm. Power consumption in standby: 3.9 W. Inderdistance escape route: at a mounting height of 2.8 m, the illumination on the floor is 1 lux with an interdistance ("b") of 20.7 m. Voltage: 220-230V. For use with central battery system on 230 V AC/DC. Electrical insulation class: class II. Photobiological safety IEC/TR 62778: RG1. Powder coated die-cast zamak housing, RAL9006 - aluminium grey. IP protection level: IP42. IK protection level: IK04. Ambient temperature: -20°C - 35°C. Glowwire: 850°C. 5 years warranty on luminaire, light source, driver and battery (for autonomous luminaires). Certifications: CE, ENEC. The luminaire has been developed and produced according to standard EN60598-1 in a company that is ISO9001 and ISO14001 certified.