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Electric fire alarm bell
| 1.Electric bell main parameters: |
Size:diameter 300mm(can be customize)
Voltage:220V
Material: plastic base,Iron chrome plated cover
| 2.Electric bell main application: |
This product is no spark electric bell, applicable to industrial and mining enterprises, organizations, public schools, and equipment of alternating current 50 hz, circuit of voltage below 220v, make a call or notice signal, can also be applied to other families the doorbell, alarm, etc
| 3.Electric bell normal working conditions: |
1 Height above sea level not exceed 2000m;
2 Ambient humidity is not higher than + 40 degrees and not less than 25 degrees, air relative humidity is not greater than 90% (when the temperature at + 25 degrees)
3 In ambient air no flammable and corrosive gas or conductive dust, no significant shaking and shock and vibration environment to use.
4 It can be work in the rated voltage ±10%,continue to work not exceed 10min.
5 Pollution levels is level 2, installation category is class II
| 4.Electric bell packing details: |
