Features • Sleek, low-profile design. • Addressable-analog communication. • Stable communication technique with noise immunity. • Low standby current. • Two-wire SLC connection. • FlashScan (NFS-320, NFS-640, NFS2-640, NFS-3030, NFS2-3030) and classic CLIP systems (AFP-100, AFP200, AFP-300, AFP-400, NFS-640, AM2020/AFP1010, NFS-3030) compatible. • Rotary, decimal addressing (1-99 on CLIP systems, 1-159 on FlashScan systems). • Optional remote, single-gang LED accessory. • Dual LED design provides 360° viewing angle. • Visible bi-color LEDs blink green every time the detector is addressed, and illuminate steady red on alarm (FlashScan systems only). • Remote test feature from the panel. • Walk test with address display (an address on 121 will blink the detector LED: 12-[pause]-1(FlashScan systems only). • Built-in functional test switch activated by external magnet. • Built-in tamper-resistant feature. • Sealed against back pressure. • Constructed of off-white Bayblend, designed to commercial standards, and offers an attractive appearance. • 94-5V plastic flammability rating. • SEMS screws for wiring of the separate base. • Optional relay, isolator, and sounder bases.
Specifications Size: 2.1” (5.3cm) high x 4.1” (10.4cm) diameter installed in B501 base, 6.1” (15.5cm) diameter installed in B710LPbase. Shipping Weight: 5.2oz. (147g). Operating Temperature: FSP-851, 0°C to 49°C (32°F to 120°F); FSP-851T, 0°C to 38°C (32°F to 100°F). Low temperature signal for FSP-851T at 45°F +/- 10°F (7.22°C +/- 5.54°C). FSP-851R installed in a DNR(W), -20°C to 70°C (-4°F to 158°F).
ELECTRICAL SPECIFICATIONS Voltage Range: 15-32 volts DC peak. Standby Current (max. avg.): 300μA @ 24VDC (one communication every five seconds with LED enabled). LED Current (max.): 6.5mA @ 24VDC (‘ON’)