- Amperage Rating :0.13 A
- Manufacturer Name :United Technologies
- Material :Die Cast
- Voltage Rating :120 VAC
Edwards Signaling™ AdaptaHorn Vibrating Horn, Grille Heavy Duty, Series: 870, 120 VAC, 0.13 A, 15.6 W Power, 50/60 Hz Frequency, 113/103 dB Sound Level, Indoor Indoor/Outdoor, Specifications Met: UL Listed, FM Approved,, Surface Mounting, Die Cast, Gray, 5 in L x 2-1/8 in W x 5 in H Dimensions
The Edwards Signaling 874-N5 vibrating horn is a surface-mount audible signal designed for heavy-duty indoor applications. Part of the 870 Series, it delivers high-decibel output with adjustable volume and reliable operation on 120V AC systems.
- Edwards Signaling™ AdaptaHorn 874-N5 Grille Heavy Duty Vibrating Horn, 120 VAC, 0.13 A, 113/103 dB, Indoor, Surface Mounting, Gray, Specifications Met: UL Listed, FM Approved
Adjustable sound output (88–113 dB @ 1m)
→ Enables precise volume control to match ambient noise levels and application requirements
Low-current, high-decibel design
→ Provides strong audible alert performance while maintaining efficient power consumption
Heavy-duty die-cast housing
→ Ensures durability and long-term performance in demanding indoor environments
Corrosion-resistant finish
→ Improves product longevity in industrial or harsh conditions
Wide voltage tolerance (-20% to +10%)
→ Maintains consistent operation despite voltage fluctuations
Compact projection (2 in / 51 mm from mounting surface)
→ Minimizes space requirements for wall-mounted installations
Pre-assembled with mounting plate
→ Simplifies installation and reduces setup time
FM Approved
→ Meets recognized standards for safety and performance
400-hour rating at 50% duty cycle
→ Suitable for intermittent signaling applications
Specification
Details
Model
874-N5
Series
870 Series Vibrating Horn
Type
Surface Mount Audible Horn
Operating Voltage
120V AC
Voltage Frequency
50/60 Hz
Operating Voltage Range
-20% to +10% of nominal
Sound Output
88–113 dB @ 1 m (78–103 dB @ 10 ft)
Current (Continuous On)
0.120 A
Surge Current
1.02 A / 0.000026 sec
Max Off-State Leakage Current
0.025 A
Duty Cycle Rating
400 hours @ 50% duty
Construction
Die-cast housing
Finish
Corrosion-resistant
Mounting
Surface mount with included plate
Projection Depth
2 in (51 mm)
Weight (Net)
2.60 lb
Approvals
FM Approved
Installation Compatibility
Single gang, 3-1/4 in, 3-1/2 in, 4 in octagon, or 4 in square boxes
Industrial facilities requiring audible alerts for process or safety signals
Commercial buildings needing reliable indoor warning horns
Equipment or system alerts controlled via PLC outputs matching input load requirements
Indoor environments where high-decibel signaling is required
Electrical Systems: 120V AC power supply (50/60 Hz)
Control Systems: Compatible with PLC outputs that match specified input load characteristics
Mounting: Fits standard electrical boxes including:
- Single gang
- 3-1/4 in and 3-1/2 in boxes
- 4 in octagon or square boxes
What is the sound output range of the Edwards Signaling 874-N5?
The horn provides an adjustable output from 88 to 113 dB at 1 meter (78 to 103 dB at 10 feet), allowing tuning based on environment needs.
What voltage does the 874-N5 vibrating horn require?
It operates on 120V AC with a frequency of 50/60 Hz and supports a voltage variation range of -20% to +10%.
Can the Edwards Signaling 874-N5 be used with PLC systems?
Yes, it can be operated by PLC outputs provided the output characteristics match the horn’s input load requirements.
Is the horn suitable for outdoor use?
No. This model is designed for heavy-duty indoor applications only.
How is the unit installed?
The horn comes fully assembled with a mounting plate and is compatible with standard electrical boxes, simplifying installation.


