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Product Details
2018 hot selling fixed temperature alarm heat detector with CE
(Friendly Tips:Welcome to our shop, I"m sorry, there are many types of the product in this series, if you would like to, please contact us anytime, we can help you recommend the type you want. We guarantee to make you satisfied,thanks a lot !
(Green font is the type recommended for you in this Web page)
Heat detector SR-502, SR-503 Series
SR-502-2/SR-503-2 2-Wire network heat detector
SR-502-4/SR-503-4 4-Wire network heat detector
Main Features:
| Combination rate-of-rise and fixed temperature alarm |
| MCU processing, eliminate false alarm |
| Low standby current |
| Anti-RFI &Anti-EMI |
| 9-35VDC wide operating voltage range |
| LED flashing visible in 360 degrees direction |
| Power supply non-polar input |
| Remote LED indicator output (2 wire) |
| Rustproof, mothproof, anti-light interference design |
| Execute criterion: GB4716, EN54-5 |
Technical specification:
Model No. | SR-502-2/SR-503-2 | SR-502-4/SR-503-4 |
Operating voltage | DC 9V-35V | |
Static current | ≤50uA | 12mA(NC);2 mA (NO) |
Alarm current | 35mA(12V); 83 mA (24V) | 5mA(NC); 15 mA (NO) |
Alarm output | Remote LED indicator | Relay output |
Alarm temperature | Rate-of-rise alarm: temperature rising rate>8℃ | Fixed temperature alarms: 57℃(135℉) |
Installation | Ceiling mounted | |
Working environment | -10℃~+50℃, Humidity ≤95%RH | -10℃~+70℃ |
Dimension | 100*48mm | |
Product Pictures:
| Delivery Time | |
| Sample order | 1-3 working days |
| Bulk order | 25-35 working days |
| Stock order | 7-10 working days |
Q1:Are you manufacture or trading company?
A1:We are a professional manufacture specialize in fire alarm products.
Q2:What is the moq?
A2:As usual,there is ready stock for our regular & hot selling models.
So any order quantity is welcome.
Q3:Can I customize LOGO and customized functions?
A3:Yes you can. Packaging, products, instructions can be printed logo. and functions we have professional R&D team to support best service.
Q4:How about the quality of your products?
A4:Our raw materials are purchased from qualified suppliers.
Q5:How long is the warranty time of the products?
A5: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.
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