55mm electric bell use for school
55mm electric bell use for school 55mm electric bell use for school 55mm electric bell use for school

55mm electric bell use for school

uc4-55mm

Alarm of easy combustion causticity air or conductive dust . different sizes dimension and use in the scope of distription box, school bell and factory bell
Category: Alarm Series / Alarm Bell.
products name :55mm electric bell
use scop: school and factory, distriution box
diameter: 55mm
specification: 2 inch
material: iron( stainless steel appearance)
brand : OEM
55mm electric bell use for school 55mm electric bell use for school

55mm electric bell use for school 

1) We have electric fire bells in a series of different specifications

2)  Voice in the form of vibrato

3)with intermittent. Resistance to work long hours, no electromagnetic interference. Electrical service life

4)can be based on customer requirements, customized products with different voltage

5) Welcome to E-mail us for further information

electric bell: 
1 CE certificate 
2 Voltage can be custom 
3 professional in electric field for 17 years

electric bell Features:

1) Alarm of easy combustion causticity air or conductive dust 
2) The surrounding temperature does not exceed 40°C
3) Bear to press: 1,500V, 50 times/a minute
4) Electric resistance: shouldn't be small than 10Ω
5) Settle the electric voltage ±10% 
6) Switch every 5 minutes
7) Work time: not longer than 5 minutes
8) Uninstall the bell cover to move absolutely

Technical Data 

 Item 

inch

Diameter(mm)

current≤μA

Power-VA

SCF

3

75

70

15

75-300mm

4

100

97

18

 

5

125

98

20

 

6

150

100

22

 

8

200

105

25

 

10

250

125

30

 

12

300

150

35


Picture:
55mm 2 inch electric bell
2 inch electric bell
2 inch electric bell



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