- Brand: Zhejiang An
- Model: jlfsjgl422244
First, the scope
This product is no spark bells, suitable for industrial and mining enterprises, organizations, schools and public places equipment supporting AC 50HZ, voltage to 220V following circuit, the signal for the call or notification, while also suitable for families as the doorbell, alarm and other uses.
Second, the normal working conditions:
1. not more than 2000 meters above sea level
2. The ambient medium humidity no higher than +40 degrees and no less than --25 degrees air relative humidity less than 90% (when the temperature is + 25 degrees)
3. No ambient air flammable and corrosive gas or conductive dust and no significant shake and shock vibration environments.
4. able to work properly when the rated voltage ± 10%, no more than 10 minutes continuously.
5. Pollution levels for 2, installation category II class.
Introduction and Scope
Manual fire alarm button, the structure is simple, modern design, easy installation. Applicable In factories, warehouses, hotels, and various large-scale use of the building fire alarm system. When fire , Press the start parts, buttons immediate alarm signal output, start the fire alarm and other linkage Fire-fighting equipment. After the operation, no need to replace parts started, simply reset with a key, can be reused use.
Main technical performance and parameters
Operating Voltage: 220v
Contact resistance: ≤0.1ohm
Maximum operating current: 5A
LED current: < 5mA (DC24V)
Suitable working environment temperature: -10 ℃ ~ + 50 ℃
Suitable working environment relative humidity: ≤95% (25 ℃ when)