Non Addressable Fire Alarm Smoke Detector, Smoke Sensor

• Product Approval: UL521/UL268
• Operating Voltage: DC(12/24/48)V
• Sampling Time: <(3~5)S
• Alarm Indicator: Dual Red LEDs
• Remote LEDs Output Current(Max): 15mA
• Reset Time: <5s
• Model NO.: SNC-300-S2
• Transport Package: 1/Box, 100PCS/CTN
• Specification: dia. 102*45mm
• Trademark: NUMENS
• Origin: Ningbo, China
• HS Code: 8531100000
• Production Capacity: 200, 000 PCS/Month

Product Description

SNC-300 non-addressable photoelectric smoke detectors are state-of-the-art detectors suitable for connection to 2-wire or 4-wire non-addressable fire detection control and indicating equipment, or to addressable fire detection control and indicating equipment that can accept non-addressable type detectors.
Advanced electronics in conjunction with a photoelectric smoke sensing chamber provide early detection of fire and high immunity against unwanted alarms.

 

Features:

·    Photoelectric smoke sensor
·    Analogue detection discrimination
·    Dual LEDs for 360° visibility
·    2-wire and 4-wire models for DC 12 V and DC 24 V operation
·    4-wire model for DC 48 V operation
·    4-wire models available with a N/O alarm relay output
·    4-wire models available with auto-reset
·    2-wire models available with remote LED output
·    Connects to zone monitor for use with addressable control and indicating equipment

Specification:

 

Operating voltage	DC (12/24/48) V
Start-up current	≤ 135 µA
Start-up time	≤ 30 s
Quiescent current	≤ 75 µA
Sampling time	(3 ~ 5) s
Alarm indicator	Dual red LEDs
Remote LED output current (max)	15 mA
Reset voltage	≤ 1 V
Reset time	≤ 5 s
Alarm response threshold	(0.08 ~ 0.15) dB/m
Alarm output relay	SPST. N/O
Operating temperature	(-10 ~ +55) °C
Operating humidity	(0 ~ 95) % RH, non-condensing
Dimensions (excluding contacts)	Φ 102 mm × 45 mm

Ordering Information: 

Part Number	2-wire	4-wire	Remote Indicator	Relay Output	Auto-Reset
SNC-300-S2 ^a	√	-	-	-	-
SNC-300-SL ^a	√	-	√	-	-
SNC-300-SR ^a	-	√	-	√	-
SNC-300-SRR ^a	-	√	-	-	-
SNC-300-SR4	-	√	-	√	-
SNC-300-S2-U ^b	√	-	-	-	-
SNC-300-SL-U ^b	√	-	√	-	-
SNC-300-SR-U ^b	-	√	-	√	-
SNC-300-SA	-	√	-	-	√