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- Place of Origin:
- Guangdong, China
- Brand Name:
- SUMRING
- Model Number:
- SR-501
- Usage:
- Fire detection
- Operating voltage:
- DC 9V-35V
- Name:
- 2 Wire Conventional Heat Detector Alarm
- Static current:
- ≤50uA
- Alarm current:
- 35mA(12V); 83 mA (24V)
- Alarm output:
- Remote LED indicator
- Installation:
- Ceiling Mounted
- Alarm temperature:
- Rate-of-rise alarm: temperature rising rate>8 C
Packaging & Delivery
- Selling Units:
- Single item
- Single package size:
- 10.2X10.2X5 cm
- Single gross weight:
- 0.25 kg
- Package Type:
- white box or neutral color box
- Picture Example:
![package-img]()
- Lead Time:
Quantity(Piece) 1 - 500 >500 Est. Time(days) 10 To be negotiated
Factory Offer 2 Wire Conventional Heat Detector Alarm for Fire Alarm System, Heat Sensitive Alarm
Main Features:
1.SR-501 is 2-Wire network heat detector
2.Combination rate-of-rise and fixed temperature alarm
3.MCU processing, eliminate false alarm
4.Low standby current
5.Anti-RFI &Anti-EMI
6.9-35VDC wide operating voltage range
7.LED flashing visible in 360 degrees direction
8.Power supply non-polar input
9.Remote LED indicator output (2 wire)
10.Rustproof, mothproof, anti-light interference design
11.Execute criterion: GB4716, EN54-5
Technical specification:
| Model number | SR-501 |
| Operating voltage | DC 9V-35V |
| Static current | ≤50uA |
| Alarm current | 35mA(12V); 83 mA (24V) |
| Alarm output | Remote LED indicator |
| Alarm temperature | Rate-of-rise alarm: temperature rising rate>8ºC |
| Installation | Ceiling mounted |
| Working environment | -10ºC~+50ºC, Humidity ≤95%RH |
| Dimension | 100*48mm |
Product pictures:
Shenzhen SUMRING Technology Co. Ltd is a Hi-tech enterprise specialized in the research &
development of fire alarm and security products, including Fire alarm control panel, smoke
detector,heat detector,gas detector, motion detector, fire alarm bell/strobe siren,
manual call point, magnetic contact, emergency exit etc.
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!
If you are interested in our products,welcome to contact us.
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