FSP-951 + B501/W

The NOTIFIER FSP-951 is an intelligent addressable photoelectric smoke detector paired with the B501/W white standard base for FlashScan/CLIP SLC systems.
This combination provides plug-in installation with rotary addressing (1-159 FlashScan), advanced optical sensing for early smoke detection, and 360° dual-LED status indication.
Key Specifications
Feature
Specification
Detector Type
Photoelectric (FSP-951 head) ​
Base
B501/W (4" white standard, two-wire SLC) ​
Sensitivity
0.5-4.0% obs/ft (UL); panel-programmable ​
Voltage
15-32 VDC (SLC loop-powered) ​
Current
Standby: 200 µA; Alarm: 2 mA @ 24 VDC ​
Height/Diameter
2.0" H x 4.1" D (with B501 base) ​
Temp/Humidity
32°F-120°F (0°C-49°C); 10-93% RH ​
Mounting
Direct to B501/W base; tamper-resistant option ​