Wired heat detector
Conventional Rate-of-rise And Fixed Temperature 2 Wire Heat Detector
- Place Of Origin : Shenzhen, Guangdong
- Model : SR-505(2)
- Material : ABS
- Operating voltage : DC 9-28V
- The warranty time : 2 yesrs
- Product Details

GENERAL DESCRIPTION
This detector SR-505(2) is 2-wire heat detector which can be used in all areas where heat detector is required. It is suitable for fire ranging from smoldering to flaming fires.
This heat detector is designed to provide open area protection and to be used with any conventional fire alarm control panel. Two LED lights on each detector provide local 360° visible for indication of status.
The heat detectors meet the requirements of CE,and ROHS for use in fire alarm signaling systems, which provide fast and reliable response for heat 57°C (135°F) or Rate-of-Rise detection.
| Input voltage | DC 9-28V |
| Installation Method | Ceiling mounted |
| Static Current | 40+5HA (atDC 24V) |
| Wiring Mode | 2-wire |
| Operating Humidity | ≤90%RH |
| Alarm Current | 50±5 mA(atDC24V) |
| LED Frequency Detecting | Green LEDs flash |
| Operating Temperature | 0℃~+85℃ |
| Alarm | Red LEDs ON |
| Alarm Reset | Power off reset |
| Alarm Temp | 8-15℃/min(Rate-of-rise) /57±6℃(Fixed) |
| Dimension | 102*43mm |




Shenzhen Sumring Technology Co., Ltd.
is a complete alarm solution factory with a history of more than 15 years. The products cover fire alarm controllers, smoke detectors, heat detectors, fire alarm bells, strobe sirens, manual alarms, Gas detectors, passive infrared detectors, etc. SUMRING owns the trademark "SUMRING" and the company implements ISO9001 standard management. After long-term development, we have many stable and trustworthy partners from all over the world.



SUMRING is committed to design and Manufacture the best fire safety products to reduce the risk of fire, and support the world to be safer and more comfortable.We are grateful that our product has gained the love and trust of friends from all over the world, and we will move forward bravely. we hope to showcase our products to more friends at the exhibition next year!


Payment and delivery

FAQ
Q1:Are you manufacture or trading company?
A1:We are a professional manufacturer that focus on fire alarm and home security products
Q2:What is the moq of the 2 wire heat detector?
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(2 wire heat detector)?
A4:We specialize in this field for 15 years,Our raw materials are purchased from qualified suppliers.Supporting visits to factory
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.

May you like
Welcome to our company website, thank you for your letter, we will give you a reply in the first time, would you please leave your information and contact way!


