Notifier Addressable Heat Detector FST-851R (Rate of Rise/RoR) - Detector

Specifications Size: 2.1 #34; (5.3 cm) high x 4.1 #34; (10.4 cm) diameter installed in B501 base, 6.1 #34; (15.5 cm) diameter installed in B710LP base. Shipping weight: 4.8 oz. (137 g). Operating temperature range: FST-851 Series, FST-851R: – 20°C to 38°C (–4°F to 100°F); FST-851H: –20°C to 66°C (–4°F to 150°F). Detector spacing: UL approved for 50 ft. (15.24 m) center to center. FM approved for 25 x 25 ft. (7.62 x 7.62 m) spacing. Relative humidity: 10% – 93% noncondensing. Thermal ratings: fixed-temperature setpoint 135°F (57°C), rate-of-rise detection 15°F (8.3°C) per minute, high temperature heat 190°F (88°C). ELECTRICAL SPECIFICATIONS: Voltage range: 15 - 32 volts DC peak. Standby current (max. avg.): 200 μA @ 24 VDC (without communication); 300 μA @ 24 VDC (one communication every 5 seconds with LED enabled). LED current (max.): 6.5 mA @ 24 VDC (“ON”). Bases available: B710LP: 6.1 #34; (15.5 cm) diameter. B501: 4.1 #34; (10.4 cm) diameter. B501BH or B501BHT: Sounder base assembly. Includes B501 base. B224RB Relay Base: Screw terminals: up to 14 AWG (2.0 mm²). Relay type: Form-C. Rating: 2.0 A @ 30 VDC resistive; 0.3 A @ 110 VDC inductive; 1.0 A @ 30 VDC inductive. Dimensions: 6.2 #34; (15.748 cm) x 1.2 #34; (3.048 cm).