System Sensor B112LP 4-wire base
The B112LP is a 4-wire base with Form A&C relay contacts, for use with 100 Series smoke detectors.
The Model B112LP detector base is designed for use with System Sensor model 2151 photoelectronic and 1151 ionization detector heads. This four-wire base is equipped withscrew terminals for the connection of power, ground, and an optional remote annunciator.
| Manufacturer Part Number | B112LP |
|---|---|
| Features | Specifications |
Specifications
Base Diameter: 6.2 inches (157 mm)
Base Height:0.95 inches (24 mm)
Weight::0.3 lb. (137 g)
Mounting: 4-inch square box with or without plaster ring. Min. depth–1.5 inches 3-1/2-inch octagon box. Min. depth–1.5 inches
Operating Temperature Range: 0° to 49°C (32° to 120°F)
Operating Humidity Range: 10% to 93% Relative Humidity, Noncondensing
Electrical Ratings - includes base and detector
System Voltage: 24 VDC
Maximum Ripple Voltage: 4 Volts peak-to-peak
Start-Up Capacitance: 0.02μF Maximum
Standby Ratings: 20 VDC Minimum
29 VDC Maximum
120 μA Maximum
Alarm Ratings: 17 mA Minimum
36 mA Maximum
Reset Voltage: 1.4 VDC Minimum
Reset Time: 0.3 Seconds Maximum
(The optional RA400Z operates within specified detector alarm currents.)
Start-up Time: 34.0 Seconds Maximum
Relay Contact Ratings:
Resistive or Inductive (60% Power Factor)
Form A: 2.0 A @ 30 VAC/DC
Form C: 2.0 A @ 30 VAC/DC
0.6 A @ 110 VDC
1.0 A @ 125 VAC


