Legrand industrial bell, supply voltage: 230 V 50/60Hz, bell bowl 150 m diameter, current consumption: 50 mA, for acoustic signaling, volume 90 dB at 1 m, continuous operation max. 200 hours. Material: Plastic coated against corrosion, Class II, protection class IP 44 - IK 10, dusty grey RAL 7037. Bell for surface mounting.