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Hot Sell 4 Wire Smoke Detector for Fire Alarm - Smoke Alarm and Fire Alarm
Smoke Detectors

Hot Sell 4 Wire Smoke Detector for Fire Alarm - S | RFQ Sourcing Details

Smoke Detectors · Quote on request

This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.

Quote on request

Product specs

CategorySmoke Detectors
Unitset
TypeTransmission Mode Cable Alarm Volume (within 1m) ≥80dB Receive
ColorWhite
OriginChina
Model NOSR-802PC-4 Working Mode Passive Certification CE, ISO, RoHS Working Principle Electro-Optical Type Transmission Mode Cable Alarm Volume
FrequencyWired
TrademarkSUMRING
CategorySmoke Detectors
AvailabilityInquiry required
Source date2026-06-26

Buyer's Digest

Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Smoke Detectors. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.

Original product description

Hot Sell 4 Wire Smoke Detector for Fire Alarm Main Features: 1.Power supply non-polar input 2.Infrared photoelectric sensor 3.MCU processing, eliminate false alarm 4.SMT manufacture technology, high stability 5.Dustproof, mothproof, anti-light interference design 6.Stainless steel shield, anti-RFI(20V/m-1GHz) 7.Execute criterion:UL268, GB4715, EN54-7 Technical specification: Model No.

SR-802PC-4 Operating voltage DC9~35V Static current 12mA(NC);500uA(NO) Alarm current 10mA(NC);18mA(NO) Sensitivity 0.5dB/m(±0.01dB/M) Alarm output Relay output Installation Ceiling mounted Working environment -10ºC~+50ºC(≤95%RH No congelation) Dimension 100*48mm (SR-811) Product show:

Hot | Applications and Buyer Notes

Hot is organized as a sourcing-ready Smoke Detectors reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time questions bef

Applications

  • Initial shortlist building for related product or supplier options.
  • Specification and application fit review before bulk purchasing.
  • Category, keyword and detail-page comparison before sending an RFQ.

Key specifications

Category
Smoke DetectorsBased on visible page data; confirm exact value in the RFQ.
Unit
setBased on visible page data; confirm exact value in the RFQ.
Type
Transmission Mode Cable Alarm Volume (within 1m) ≥80dB ReceiveBased on visible page data; confirm exact value in the RFQ.
Color
WhiteBased on visible page data; confirm exact value in the RFQ.
Origin
ChinaBased on visible page data; confirm exact value in the RFQ.
Model NO
SR-802PC-4 Working Mode Passive Certification CE, ISO, RoHS Working Principle ElBased on visible page data; confirm exact value in the RFQ.
Frequency
WiredBased on visible page data; confirm exact value in the RFQ.
Trademark
SUMRINGBased on visible page data; confirm exact value in the RFQ.

Buyer tips

  • State quantity range and split-delivery needs before price comparison.
  • Add certification, material or inspection standards when they affect acceptance.
  • For time-sensitive projects, include target arrival date and destination.
  • For special applications, describe operating condition, installation environment and duty cycle.

FAQ

What should buyers confirm first?

Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.

Can buyers inquire when specs are incomplete?

Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.

How should this listing be evaluated?

Check title, category, specifications and related keywords against the actual sourcing requirement.

Source mix: ugc

Key specifications

CategorySmoke Detectors
Unitset
TypeTransmission Mode Cable Alarm Volume (within 1m) ≥80dB Receive
ColorWhite
OriginChina
Model NOSR-802PC-4 Working Mode Passive Certification CE, ISO, RoHS Working Principle Electro-Optical Type Transmission Mode Cable Alarm Volume
FrequencyWired
TrademarkSUMRING
CertificateCe Approval Type
CertificationCE, ISO, RoHS Working Principle Electro-Optical
SpecificationABS
specificationsModel NO: SR-802PC-4 Working Mode Passive
Transport PackageCarton

Product sourcing keywords

These terms come from the title, visible copy and specifications, and link into matching aggregate pages.

Continue from this detail page into sourcing structure

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