school Electric Bell with Outside Peen

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US $1-5.44 / Pieces | 500 Piece/Pieces (Min. Order)
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Overview
Quick Details
Place of Origin:
Zhejiang, China (Mainland)
Brand Name:
Great Wall Electroacoustics
Model Number:
SCF-(75-300)
color:
white
SupplyAbility
SupplyAbility:
10000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
carton
Port
ningbo
Lead Time :
10-20days

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

 inchdiamter(mm)current≤μApowerVA 
SCF3757015 
75-300mm41009718 
 51259820 
 615010022 
 820010525 
 1025012530 
 1230015035