Explosion-proof LED moisture-proof diffuser luminaire, Zone 1/21, luminaire output: 88 W with electronic ballast, LED service life 75000h up to a reduction in luminous flux to 85 % of the initial value. Total luminous flux: 9680 lm, lamp efficiency: 110 lm/W. Colour rendering Ra > 80, colour temperature 4000 K.Symmetrical narrow beam luminaire, housing made of glass fibre reinforced plastic, cover made of clear glass, ageing-resistant seal, seal not silicone-free (negligible proportion), closure for LED modules can be operated from both sides (L) for quick and easy installation.LED modules for quick and easy replacement, M20 metal threaded cable gland, quick and easy replacement of driver, 6-pole terminal with 6x2.5mm² through-wiring, suitable for indoor and covered outdoor installation.Halogen-free wiring of the luminaire. Explosion protection is guaranteed in the ambient temperature: -44°C to +55°C. The luminaire is suitable for use in potentially explosive atmospheres in zones 1 and 21 in accordance with EN/IEC 60079-10-1 and EN/IEC 60079-10-2 (Ex II 2 G Ex eb ib q op is IIC T4 Gb/ Ex eb ib q op is IIC T4 Gb) in accordance with BVS 18 ATEX E 037 X (ATEX type examination). IP66, impact resistance: IK10, SC1, dimensions: 931 x 201 x 115 mm, weight: 7.5 kg.