Low-profile photoelectric plug-in detector (order the base listed below) 120 VAC detector base 4-wire photoelectric power board component only, 24 VAC/DC, 120 VAC Remote test station Remote test station with key lock Remote annunciator with Piezo alarm Multi-signaling accessory Remote annunciator al
Features
for 2D51/B210LP/D4P120.
Low-profile smoke detector design.
Low standby current.
Two LEDs blink in standby.
Detector head plugs easily into base.
Built-in test switch.
F ield sensitivity metering of detector to meet the requirements of NFPA 72 with the use of RTS2/RTS2-AOS and SENS-RDR.
Designed for mounting on a standard electrical box.
SEMS screws for easy wiring and positive wire retention.
The following content is an automatically extracted verbatim text
from the original manufacturer datasheet and is provided for reference purposes only.
View original datasheet text
2D51 Duct Smoke Detector for Special Applications
The System Sensor 2D51 low-profile photoelectric smoke detector with a B210LP base tied to the D4P120 is listed to Underwriters Laboratories 268A specifically for use in no-flow/low-flow air-handling systems.