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UL/En54 Approved 4-Wire Smoke/Heat Detector with Relay Output
US$1.00
1 Piece
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableCertification
CE, ISO, ULApplication
Industry, Special EquipmentModel NO.
SNC-300-CROperating Voltage
DC(12/24/48)VAlarm Indicator
Dual Red LEDsRemote LED Output Currenet(Max)
15mAReset Time
<5sSampling Time
(3~5)STransport Package
1/Box, 100PCS/CTNSpecification
dia. 102*45mmTrademark
NUMENSOrigin
NingboHS Code
8531100000Production Capacity
50, 000PCS/MonthKey features
UL/EN54 Approval: Certified by UL and EN54 standards for high reliability and safety compliance.
Dual Sensor Technology: Combines photoelectric smoke sensing with electronic thermistor for early fire detection.
High Immunity Design: Advanced electronics provide strong resistance against unwanted alarms.
Flexible Wiring Options: Supports 2-wire and 4-wire models for DC 12V, 24V, and 48V operation.
Fast Response Time: Sampling time of 3-5 seconds with reset time under 5 seconds.
Auto-Reset Capability: 4-wire models available with auto-reset function for continuous monitoring.
Remote LED Output: 2-wire models support remote LED output with max current of 15mA.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2012-02-01Nearest Port: Ningbo,ShanghaiAverage Response Time: ≤18hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryNINGBO AMBEST ELECTRONICS CO., LTD. is identified as a combined company manufacturing fire alarm products, including non-addressable line-type smoke detectors. It reports six production lines, three quality inspectors, documented quality and complaint-handling procedures, and uniform finished-product inspection instructions. The supplier supports OEM, ODM, SDK availability, and broad customization services. It has a valid manufacturing-capacity contract with associated subcontractors and an outsourcing SOP, but does not conduct ongoing batch quantity reconciliation. Export sales represent 90% of total sales, while no overseas agents, branches, warehouse, showroom, or in-stock service capability are reported. The supplier has participated in the Dubai Fair and indicates lead times of one month during peak season and within 15 working days off-season. No new products were introduced in the past year, and certification holding is not evidenced.
Supplier typeThe supplier is named NINGBO AMBEST ELECTRONICS CO., LTD. and classified as a combined company rather than an offshore company. Its stated offerings include manufacturing, export trade, service, quality control, R&D, and sustainability-related information, with fire alarm products identified in the product description.
After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions, customer complaint handling, supplier service assessment, and finished service quotations. However, it reports no in-stock service capacity, overseas warehouse, overseas showroom, overseas agents or branches, and serves zero listed overseas-service countries; therefore, procedural capability is evidenced but broad physical after-sales coverage is limited.
Production capacityProduction capability is supported by six production lines, three quality inspectors, documented finished-product inspection instructions, valid manufacturing-capacity contracts with associated subcontractors, and an outsourcing SOP. Export sales account for 90% of total sales, and stated lead times are one month during peak season and within 15 working days off-season. A deficiency is the absence of ongoing batch or quantity reconciliation, and no in-stock capacity is reported.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This provides direct evidence of broad product and design customization capability.
Product Q&A
Q:Are you a manufacturer or trading company?
A:
Numens is a professional fire alarm system manufacturer.
Q:What kind of production service do you provide?
A:
The whole fire alarm system, include Addressable system, Conventional system, Residential system and so on....
Q:What kind of certification do you have?
A:
Numens was EN,BSI,UL,SGS certified and all the products were produced under these major international standard .
Q:What is the lead time for new order?
A:
The lead time for new order is 25 days after confirm order.
Q:How do I get price information?
A:
Sales representatives are responsible for providing detailed price information within 1 workday after get your inquiry.
Send Inquiry
*To:
Ningbo Ambest Electronics Co., Ltd.
Ningbo Ambest Electronics Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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