Edwards (873DPO-G1) Low-current, high decibel surface mount dc vibrating horn with double projector for heavy-duty use. supplied complete with adaptaplate for easy installation. adjustable output: 78 to 101 db

The Edwards 873DPO-G1 is a heavy-duty double-projector vibrating horn from the 870-Series AdaptaHorn family. Specifically, it operates on 24 V DC and delivers high-decibel, bi-directional audible signaling. Furthermore, the double projector design provides signaling in two opposite directions without decibel loss.

First, the housing is heavy-duty die-cast with a corrosion-resistant finish. Then the unit ships completely assembled and pre-mounted to an Adaptaplate. As a result, the horn simply plugs into the receptacle on the mounting plate for fast installation.

Typical Applications

Specifically, the 873DPO-G1 is designed for industrial, commercial, and institutional signaling. Therefore, common uses include:

• Process timing and shift change paging
• General alarm and warning signaling
• Equipment-malfunction annunciation
• Security and intrusion signaling
• Plant-floor employee communication

Verified Electrical Specifications

• Operating voltage: 24 V DC
• Current: 0.16 A
• Power: 3.8 VA
• DC coil resistance: 24 ohms
• Sound output: 99 dB at 10 ft (maximum)
• Adjustable output range: 78 to 99 dB
• Voltage tolerance: -20% to +10% of nominal
• Duty rating: 200 hours (DC series)

Mounting Options

Also, the supplied Adaptaplate mounts to a wide range of standard boxes. Specifically:

• Single-gang electrical box
• 3-1/4 in (83 mm) box
• 3-1/2 in (89 mm) box
• 4 in (102 mm) octagon box
• 4 in (102 mm) square box

Therefore, the 873DPO-G1 fits most existing rough-in configurations without adapter accessories. Overall dimensions are roughly 11 in (297 mm) long by 4 in (102 mm) wide.

PLC Compatibility

However, the 873DPO-G1 is an electromechanical device and can produce transient spikes on power-down. Therefore, only use it with PLC output cards that have inherent transient-spike suppression. In addition, consult the PLC manufacturer before connecting 24 V DC electromechanical devices to PLC outputs. Specifically, the maximum off-state leakage current is 25 mA; continuous on current is 150 mA; surge current is 1.7 A for 0.042 ms.

Verified Listings

• UL Listed

Note: FM Approval applies to the 872DPO AC-series variants only. As a result, do not assume FM approval on the 873DPO DC-series unless verified for the specific catalog number.

What This Part Is Not

However, the 873DPO-G1 is NOT a fire-alarm notification appliance. Specifically, it is industrial-grade audible signaling, not a UL 464 fire-alarm horn. Therefore, do not specify it as a substitute for fire-alarm horns or notification appliances on NFPA-72 systems.

Order the Edwards 873DPO-G1

To order the Edwards 873DPO-G1, call 1-888-557-0558. Alternatively, email sales@lifesafetycom.com.

For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com