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The 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 and Specifications
? 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 25°F (-3.9°C)
? 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

Brand/Series	878EX Series
Decibel Range	Maximum of 110 dB
Decibels at 1 Meter	110 dB
Features	Corrosion Resistant Heat Flowed Epoxy Finish, Low Current Drain
Mounting Type	Wall
Primary Type	Horn
Sound Level	110 @ 1 m, 100 @ 10 ft. dB
Special Features	Corrosion Resistant Heat Flowed Epoxy Finish, Diode Polarized Versions, Explosion Proof, Low Current Drain, Power Connection Wires Embedded in Sealing Compound
Supply Voltage	120 VAC
Temperature Range	Minimum of +25 °F
Temperature, Operating, Minimum	25 °F
Termination	Wire Lead
Type	Vibrating
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• Edwards Signaling
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  型号：48FINA-N5-25WH
  仓库库存编号：70016591
  
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• Schneider Electric/Magnecraft
  Relay; E-Mech; Latching; DPDT; Cur-Rtg 16A; Ctrl-V 110/125DC; Vol-Rtg 300AC; Magnetic
  
  型号：755XBXCD-110D
  仓库库存编号：70185105
  
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• Edwards Signaling
  DC vibrating bell, 6" 125VDC
  
  型号：435-6P1
  仓库库存编号：70344119
  
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• Edwards Signaling
  FLASH; CLEAR; 120AC
  
  型号：48FINC-N5-25WH
  仓库库存编号：70478626
  
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Brand/Series 878EX Series  Edwards Signaling Brand/Series 878EX Series  Horns Brand/Series 878EX Series  Edwards Signaling Horns Brand/Series 878EX Series   Decibel Range Maximum of 110 dB  Edwards Signaling Decibel Range Maximum of 110 dB  Horns Decibel Range Maximum of 110 dB  Edwards Signaling Horns Decibel Range Maximum of 110 dB   Decibels at 1 Meter 110 dB  Edwards Signaling Decibels at 1 Meter 110 dB  Horns Decibels at 1 Meter 110 dB  Edwards Signaling Horns Decibels at 1 Meter 110 dB   Features Corrosion Resistant Heat Flowed Epoxy Finish, Low Current Drain  Edwards Signaling Features Corrosion Resistant Heat Flowed Epoxy Finish, Low Current Drain  Horns Features Corrosion Resistant Heat Flowed Epoxy Finish, Low Current Drain  Edwards Signaling Horns Features Corrosion Resistant Heat Flowed Epoxy Finish, Low Current Drain   Mounting Type Wall  Edwards Signaling Mounting Type Wall  Horns Mounting Type Wall  Edwards Signaling Horns Mounting Type Wall   Primary Type Horn  Edwards Signaling Primary Type Horn  Horns Primary Type Horn  Edwards Signaling Horns Primary Type Horn   Sound Level 110 @ 1 m, 100 @ 10 ft. dB  Edwards Signaling Sound Level 110 @ 1 m, 100 @ 10 ft. dB  Horns Sound Level 110 @ 1 m, 100 @ 10 ft. dB  Edwards Signaling Horns Sound Level 110 @ 1 m, 100 @ 10 ft. dB   Special Features Corrosion Resistant Heat Flowed Epoxy Finish, Diode Polarized Versions, Explosion Proof, Low Current Drain, Power Connection Wires Embedded in Sealing Compound  Edwards Signaling Special Features Corrosion Resistant Heat Flowed Epoxy Finish, Diode Polarized Versions, Explosion Proof, Low Current Drain, Power Connection Wires Embedded in Sealing Compound  Horns Special Features Corrosion Resistant Heat Flowed Epoxy Finish, Diode Polarized Versions, Explosion Proof, Low Current Drain, Power Connection Wires Embedded in Sealing Compound  Edwards Signaling Horns Special Features Corrosion Resistant Heat Flowed Epoxy Finish, Diode Polarized Versions, Explosion Proof, Low Current Drain, Power Connection Wires Embedded in Sealing Compound   Supply Voltage 120 VAC  Edwards Signaling Supply Voltage 120 VAC  Horns Supply Voltage 120 VAC  Edwards Signaling Horns Supply Voltage 120 VAC   Temperature Range Minimum of +25 °F  Edwards Signaling Temperature Range Minimum of +25 °F  Horns Temperature Range Minimum of +25 °F  Edwards Signaling Horns Temperature Range Minimum of +25 °F   Temperature, Operating, Minimum 25 °F  Edwards Signaling Temperature, Operating, Minimum 25 °F  Horns Temperature, Operating, Minimum 25 °F  Edwards Signaling Horns Temperature, Operating, Minimum 25 °F   Termination Wire Lead  Edwards Signaling Termination Wire Lead  Horns Termination Wire Lead  Edwards Signaling Horns Termination Wire Lead   Type Vibrating  Edwards Signaling Type Vibrating  Horns Type Vibrating  Edwards Signaling Horns Type Vibrating