2-Wire, 12/24V, Smoke Detector with Remote LED, UL (SNC-300-SL-U)

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  • Last update:

    2017-11-12 08:26

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Ningbo Ambest Electronics Co., Ltd.

Ms. sandy(Mr.)  







46-2 Mogao Road, Dongqian Lake, Ningbo, Zhejiang, China 315121




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.


· 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

operating voltage DC(12/24/48)V
start-up current ≤135μA
start-up time ≤30s
quiescent current 75μA
sampling time (3~5)s
alarm indicator Dual red LEDs
remote LED output current(max) 15mA
reset voltage ≤1V

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 - - -

Q1:Are you a manufacturer or trading company?
A1:Numens is a professional fire alarm system manufacturer.
Q2:What kind of production service do you provide?
A2:The whole fire alarm system,include Addressable system, Conventional system, Residential system and so on....
Q3:What kind of certification do you have?
A3:Numens was EN,BSI,UL,SGS certified and all the products were produced under these major international standard .
Q4:What is the lead time for new order?
A4:The lead time for new order is 25 days after confirm order.
Q5:How do I get price information?
A5:Sales representatives are responsible for providing detailed price information within 1 workday after get your inquiry.