Explosion - proof bells Explosion - proof bells II 2G Ex d e IIC T6 Dimensions - 165, 215 and 265 mm. Voltages available :- SIAD: 12V-24V-48V-110V-240V AC- SIADEL: 12V-24V-48V-110V-240V DCSound frequency (Hz)1500-10000 Audibility : max. 100 dB (A) 1m IP 66
