SD119-4 is a 4 wire conventional smoke detector with UL268/521 and EN54-5/7 approvals

Features:
1) Models: SD119-4(12V) or SD119-4(24V) or SD119-4(48V)

2) Photoelectric sense technology

3) Thermal detector are with fixed temperature (57°C) and rate-of-rise (9.4°C/min)
4) Advanced detection and discrimination algorithms
5) Easy installation and maintenance
6) Polished low-profile housing design
7) Durable sensor head, no need for replacement
8) SMD circuit board design: satisfactory quality and reliability guaranteed
9) N/C (normal / close) and N/O (normal / open) relay output ways for option
10) AR (auto reset) function for security systems available

11) Sensor base: standard and Schottky diode style for optional
12) Five-year warranty

Smoke Sensitivity:	per UL268 or EN54-7 standard
Ceiling Spacing:	50 foot rating for heat sensor (55 degree)
Reset Voltage:	less than 1 volt
Reset Time:	less than 1 second
Alarm Indicator:	LED continuously emitting red light
Remote Output:	25 mA max., diode gate
Temperature Range:	-10°C to 50°C
Permissible Current:	80mA maximum
Humidity:	0 to 95% RH, no condensation or icing
Alarm Contact:	NO or NC Operation, Form A: 1.0A@30VDC/0.5A@125VAC
Dimensions:	100mm (dia) x 52mm (ht) with base
Weight:	130g/set with base