Zhejiang, China
Business Type:
Year of Establishment:
Management System Certification:
Average Lead Time:
Peak season lead time: 1-3 months
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available
French / Portuguese Speaker

Smoke Detector, Fire Detector, Cigarette Smoke Detector manufacturer / supplier in China, offering Responds Well to Slow-Burning, Optical Smoke Detector, UL (SNC-300-S2-U), 2-Wire Conventional Smoke Detector UL and En54 Approved (SNC-300-S2-U), 2017 Newest Smart Relay Output Smoke and Heat Detector (403-003) and so on.

Gold Member Since 2012
Audited Supplier
Supplier Homepage Products New Products Responds Well to Slow-Burning, Optical Smoke Detector, UL (SNC-300-S2-U)

Responds Well to Slow-Burning, Optical Smoke Detector, UL (SNC-300-S2-U)

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $1/ Piece
Port: Ningbo, China
Production Capacity: 50000PCS/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Type: Smoke Alarm
Signal Transmission: Wired Alarm
Working Mode: Active
Certification: UL, En
Application: Indoor
Working Principle: Electro-Optical Type

You Might Also Like


Basic Info

Model NO.
Operating Voltage
Sampling Time
Alarm Indicator
Dual Red LEDs
Remote LED Output Current(Max)
Reset Time
Transport Package
dia. 102*45mm
Ningbo, China
HS Code
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 voltageDC(12/24/48)V
start-up current≤135μA
start-up time≤30s
quiescent current75μA
sampling time(3~5)s
alarm indicatorDual red LEDs
remote LED output current(max)15mA
reset voltage≤1V

Ordering Information:
Part Number2-wire4-wireRemote IndicatorRelay OutputAuto-Reset
SNC-300-S2 a----
SNC-300-SL a---
SNC-300-SR a---
SNC-300-SRR a----
SNC-300-S2-U b----
SNC-300-SL-U b---
SNC-300-SR-U b---

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.
Responds Well to Slow-Burning, Optical Smoke Detector, UL (SNC-300-S2-U)
Responds Well to Slow-Burning, Optical Smoke Detector, UL (SNC-300-S2-U)

Send your message to this supplier

avatar Ms. sandy

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now