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Contact Us
- Contact Person : Mr. li Andy
- Company Name : Yueqing Great Wall Electroacoustics Factory
- Tel : 0086-577-62698366
- Fax : 0086-577-62681470
- Address : Zhejiang,Wenzhou,Baishi Zone, Yueqing, Wenzhou City, Zhejinag Province. China
- Country/Region : China
- Zip : 325604
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Related Categories:Other Electrical Equipment
Related Product Searches:school electric bell,High Quality,school electric bell, alarm bell,uc4
school electric bell
1 CE certificate
2 voltage can be custom
3 professional in this filed for 17 years
Related Product Searches:school electric bell,High Quality,school electric bell, alarm bell,uc4
school electric bell1) Alarm of easy combustion causticity air or conductive dust 2) The surrounding temperature does not exceed 40°C3) Bear to press: 1,500V, 50 times/a minute4) Electric resistance: shouldn't be small than 10Ω5) Settle the electric voltage ±10% 6) Switch every 5 minutes7) Work time: not longer than 5 minutes8) Uninstall the bell cover to move absolutely
school electric bell