Description 

The Edwards Signaling 889D-AW is a heavy-duty, high-decibel vibrating horn engineered for life safety systems in hazardous (classified) locations. Operating on 20–24 VDC, it delivers a sound output of 100 dBA at 10 feet (anechoic) and 84 dBA in reverberant conditions, ensuring effective audible alerts in high-noise environments.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	Edwards Signaling
Category	Panel Accessories
Part Number	889D-AW
Subcategory	Buzzers, Horns & Alarms
Type	High Decibel
Series	870EX
Voltage Rating	20 to 24 VDC
Amperage Rating	0.16 A
Sound Level	84 dB
Mounting Type	Wall
Operating Temperature	25°F
Material	Die Cast
Color	Red
Dimensions	7-5/8 in L x 7-3/8 in W x 4-3/16 in H
Weight	4.08 kgs

  

 

Information About 889D-AW

The Edwards 889D-AW High Decibel Vibrating Horn is a heavy-duty, explosion-proof signaling device designed for use in hazardous environments where high-audibility alerts are critical. Constructed with a corrosion-resistant die-cast aluminum housing, it delivers reliable sound performance in both industrial and classified locations.

Key Features:

• Operating Voltage: 20–24 VDC
  
• Current Draw: 0.16 Amps
  
• Sound Output: 100 dBA at 10 ft (anechoic); 84 dBA (reverberant)
• Material: Die-cast aluminum with red heat-flowed epoxy finish
  
• Mounting: Wall mount with two side brackets; ¾-inch NPT conduit entry
  
• Dimensions: 7-5/8" (H) × 7-3/8" (W) × 4-3/16" (D)
  
• Certifications: UL Listed for Class I, Division 1 & 2 (Groups B, C, D); Class II, Division 1 & 2 (Groups E, F, G); Class III
  
• NEMA Rating: Type 4X (weatherproof and corrosion-resistant)

This vibrating horn is ideal for life safety and industrial applications such as petrochemical plants, grain elevators, and mining operations. Its robust construction and high sound output make it suitable for use in high-noise environments where clear and effective signaling is essential.