Gas and Specialty Sensors

2151 and B114 Series



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Product Bar End

2151 and B114 Series

System Sensor Pendant Smoke Detector 2151 and B114 Series

System Sensor Pendant Smoke Detector

 

The System Sensor 2151 pendant smoke detector and B114 bases provide early detection of smoke and combustion products present in air moving through HVAC plenum return systems in commercial rooftop package unit applications. The detectors are designed to prevent the recirculation of smoke in areas by the air handling system's fans and blowers.The 2151 must be mounted to B114 base for either 120 VAC or 24 VAC/VDC supply voltages.


Products

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QtyModelDescriptionIn StockList PriceInternet Price
2151 PHOTOELECTRIC PENDANT SMOKE DETECTOR BODY ONLY In Stock91.0072.80
B114LP BASE FOR 2151 120 VAC INFO224.00179.20
B114LPBT BASE FOR 2151 24 VAC/VDC INFO179.00143.20

Accessories

No accessories found
Features
  • 24 VAC, 24 VDC or 115 VAC (model specific)
  • Visual indication of power and alarm status
  • One alarm contact, Supervisory contact and Auxillary contact
  • Compatible with building automation and fire alarm systems
  • Dust filtering included in detector head
Specifications

Supply Voltage:

B114LP:120 VAC, Non-polarity reversal (any color wires)

B114LPBT: 24 VAC @ 0.8 VA; 24 VDC @ 35 mA; non-polarity reversal (any color wires)

Alarm Relay Output:

Supervisory/Alarm:2.0 A @ 30 VAC/VDC (Form A)

Auxillary:2.0 A @ 30 VAC/VDC; 1.0 A @ 120 VAC (Form C)

Air Velocity:0-3000 fpm (0-15.2 mps)

Wiring Terminations:Solid or stranded, 12 to 22 AWG terminals

Operating Humidity:10% to 93% RH non-condensing

Operating Temperature:32° to 120℉ (0° to 49℃)

Enclosure Rating:NEMA 1

Dimensions:

2151:4" Dia. x 1.66"H (10.2 x4.2 cm)

B114LP:6.2″ Dia. x 2.2″H (15.5 x 5.6 cm)

B114LPBT:6.2″ Dia. x 0.95″H (15.5 x 2.4 cm)

Weight:

2151:0.2 lb (0.09 Kg)

B114LP:0.8 lb (0.4 Kg)

B114LPBT:0.6 lb (0.27 Kg)

Approvals:UL File S911, FM

Warranty:1 year

Certifications