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Product Name | Wired heat detector | Model No. | HD-504-2/4M |
Operating Voltage | DC 9~35V | Alarm current | 2 WIRE:<25mA@12V 2 WIRE:<50mA@24V |
Alarm Sensitivity | 0.08~0.16 dB/m | Standby current | ≤ 55 uA |
Alarm Output | relay output | Dimension | Ø99 * 43.5mm |
Working Environment | -10°C to 50°C; ≤ 95%RH | Function | Fire Alarm |
MOQ | 1 | Port | Ningbo/Shanghai |
Certification | CE, ISO9001 | Standard | EN54-5:2008 |




Q1: Are you manufacture or trading company?
A1: We are the professional manufacturer for more than 12 years.
Q2: Can you customize the product?
A2: Yes,we are manufacturer, accept ODM&OEM and packaging customization.
Q3: Can you provide the samples?
A3: Yes, we can provide the sample.
Q4: How about your delivery time?
A4: It is depand on your order,it will be about 7-30days.
Q5: What is your terms of delivery?
A5: EXW, FOB, CFR, CIF, DDU.
Q6. What is your terms of payment?
A6: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q7: What ceritificates do you have?
A7: We have ISO9001,CE,RoHS,FCC,CCC Etc Certificates approvaled for our products.

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