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4-Wire, 12/24V, Propane Gas Detector with Relay Output
US$1.00
1 Piece
Sample price:US$30.00/piece.Request sample
Product profile
Customization
AvailableType
Home AlarmSignal Transmission
Wireless AlarmWorking Mode
ActiveCertification
CE, ISOApplication
IndoorWorking Principle
Electro-Acoustic StyleTransmission Mode
WirelessAlarm Volume (within 1m)
≥90dBOperating Voltage
DC(12/24)VSampling Time
(2~4)SQuiescent Condition Indicator
Flashing Red LED Every 5sReset Time
<5sTransport Package
100PCS/CtnsSpecification
dia99*45mmTrademark
NumensOrigin
Ningbo, ChinaHS Code
8531100000Production Capacity
50000PCS/YearKey features
Propane Gas Detection: Advanced semiconductor sensor provides early detection of LPG with high immunity to false alarms.
Dual Wiring Compatibility: Supports both 2-wire and 4-wire models for connection to non-addressable and addressable fire systems.
Flexible Voltage Options: Operates on DC 12V or DC 24V power supply with low alarm current of 50mA.
Relay Output Function: Features N/C or N/O alarm relay output for seamless integration with zone monitors.
High Volume Alarm: Internal sounder produces loud 85dB alarm to ensure effective warning in indoor environments.
International Certifications: Products certified to CE, ISO, EN, BSI, UL, and SGS standards for global reliability.
Fast Response Time: Sampling time is 2-4 seconds with a reset time of less than 5 seconds for quick recovery.
Professional Manufacturer: Numens is a professional fire alarm system manufacturer with vertically integrated production capabilities.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2012-02-01Nearest Port: Ningbo,ShanghaiAverage Response Time: ≤24hTerms 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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