878DEX-N5 870EX Series vibrating horns are heavy-duty, explosion-proof, high decibel horns designed for use in hazardous locations. Diode polarized versions are also available. They are intended for use in hazardous locations requiring electrical supervision of signaling circuit field wiring. May also be used for unsupervised signaling applications. Two mounting brackets are provided on either side of the unit for wall mounting. The housing is tapped on one side for 3/4" conduit to allow for field wiring installation.FEATURES Corrosion resistant heat flowed epoxy finish Low current drain Operating voltage range -20% to +10% of nominal voltage Power connection wires embedded in sealing compound Not recommended for temperatures below 25F (-3.9C) Diode Polarized versions NEMA Type 4X rated UL listed for Class I, Div. 1 and 2, Groups B, C and D; Class II, Div. 1 and 2, Groups E, F and G; and Class III locations
| Make | Edwards Signaling |
|---|---|
| Manufacturer | Edwards Signaling |
| Model code | 878DEX-N5 |
| Series | Edwards Signaling 870EX Series |
| Additional info |
878DEX-N5 870EX Series vibrating horns are heavy-duty, explosion-proof, high decibel horns designed for use in hazardous locations. Diode polarized versions are also available. They are intended for use in hazardous locations requiring electrical supervision of signaling circuit field wiring. May also be used for unsupervised signaling applications. Two mounting brackets are provided on either side of the unit for wall mounting. The housing is tapped on one side for 3/4" conduit to allow for field wiring installation.
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