Edwards 439DEX Series Catalog Page (Audible Signal Page)

Bells Series 439DEX Series hazardous location alarm bells are DC vibrating bells that produce long continuous ringing sound The striker to strike the gong in rapid fire as long current is applied Diode polarized models are for use in electrically supervised circuits Information Fire Alarm and Dimensions No and Specifications 6 8 and 10 gong sizes Completely Corrosion Suitable Mounts Low runs plunger 3 4 conduit B C and D Class II Divisions 1 and 2 E F and G Class III No DC DC DC DC DC DC A A A A A A Size at 1m 10ft Net lb Shipping lb Size dB 1 4 hole positions for 10mm diameter max with washers 7 16 side 01 eps 1 8 3mm back 01 eps Mounts and wire leads for power connections