Wholesale Price 4 Wire Conventional Optical Smoke | 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.
Product specs
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
Wholesale Price 4 Wire Conventional Optical Smoke Detector for ho olar input Infrared photoelectric sensor MCU processing, eliminate false alarm SMT manufacture technology, high stability Dustproof, mothproof, anti-light interference design Stainless steel shield, anti-RFI(20V/m-1GHz) 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 Pictures
Wholesale | Applications and Buyer Notes
Wholesale 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 questio
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
RFQ Preparation Notes
Wholesale Price 4 Wire Conventional Optical Smoke Detector for Ho can be used as an RFQ preparation reference after reviewing the original product description, images, and specification table.
Use the inquiry form to add application context, quantity, destination, delivery timing, required standards, and customization constraints. Price status: Quote on request; quantity reference: Quantity by inquiry; lead time: Lead time by inquiry.
Key specifications
Product sourcing keywords
These terms come from the title, visible copy and specifications, and link into matching aggregate pages.
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