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4 wire Conventional photoelectric smoke heat alarm price in shenzhen China
Best price Hardwired 4 wire smoke and heat combination detector with relay output
SR-812DC-4 4-Wire Network Photoelectric smoke & heat alarm
1.Power supply non-polar input
2.Infrared photoelectric sensor
3.MCU processing adopted, eliminate false alarm
4.Network output
5.SMT manufacturer technology, high stability
6.Dustproof, mothproof, anti-light interferences design
7.Stain steeless shield, anti-RFI(20V/m-1GHz)
Technical specification:
| Model No. | SR-812DC-4 |
| Operating voltage | DC9~35V |
| Alarm temperature | 57℃ |
| Static current | 13mA(NC);4mA(NO) |
| Alarm current | 9mA(NC);19mA(NO) |
| Alarm output | Relay output |
| Installation | Ceiling mounted |
| Sensitivity | 2.06%ft±1.3%ft |
| Working environment | -10℃~+50℃(≤95%RH No congelation) |
| Dimension | 100*46mm |
Product pictures:
4-Wire smoke and heat combination detector
Shenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research & development of security and fire alarm products, including PIR detector, smoke detector, gas leakage detector, Carbon Monoxide detector, fire alarm bell/strobe siren, manual call point, magnetic contact ,BT Module etc. Enter more
1:Can I get one sample for test before big order ?
Sure, you can.Please leave a message we will contact you soon.
2. Can I customized LOGO?
Yes you can. Packaging, products, instructions can be printed logo.
3. Can I customized functions?
Yes you can, we have professional R&D team to support best service, and give you best suggestions.
4. How about the quality of your products?
Our raw materials are purchased from qualified suppliers. And we have a strong quality control team to guarantee our products quality.
5. How long is your products quality warranty?
The warranty period is 2 years from the factory, if there are individual quality problems, we will replenish the customer in the next batch of orders
6. When can you ship out my order after my payment?
Normally samples order: about 5-7 days; mass order 2-3 weeks.
7. Can I visit your factory and company office?
Sure, welcome ,any time!
Packaging information
Shipping information
* Express(UPS, DHL, Fedex, EMS, etc) is available.
* Sea and Air delivery is available
* welcome your agent to deal with our products .