Powered loop interface
Commercial Product No.: D125B | Product No.: 4.998.800.203Dimensions (H x W x D): | 5 in. x 3 in. x 0.8 in. (12.7 cm x 7.6 cm x 2.0 cm) |
Current (alarm) | 1 loop only: 75 mA maximum Both loops: 145 mA maximum |
Current (standby) | 1 loop only: 12 mA maximumBoth loops: 24 mA maximum |
Voltage (nominal) | 12 VDC supplied by control panel or by UL864 or UL1481 Listed 12 V power supply |
Current (alarm) | 1 loop only: 168 mA maximumBoth loops: 300 mA maximum |
Current (standby) | 1 loop only: 25 mA maximumBoth loops: 50 mA maximum |
Voltage (nominal) | 24 VDC supplied by UL864 or UL1481 Listed 24 V power supply |
Current (alarm) | 12 VDC: >11.8 mA24 VDC: >24.1 mA |
Current (trouble) | 12 VDC: <3.5 mA24 VDC: <7.5 mA |
Detector current | 12 VDC: 3 mA maximum24 VDC: 7 mA maximum |
Wiring Impedance | 50 Ω maximum |

Accessory mounting bracket for enclosure
Commercial Type No. D137
Product No. F.01U.020.521
Used to mount accessory modules in B8103, D8103, D8108A, and D8109 enclosures.
Parts included with this product
Quantity | Component |
---|---|
1 | D125B module |
2 | 1.8 kΩ EOL resistors (P/N: F01U009011) |
1 | Hardware pack |
1 | Literature pack |