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White MCB Circuit Breaker , Miniature Current Circuit Breaker

WENZHOU SANTUO ELECTRICAL CO.,LTD.
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Address: No. 3999 LiuJiang Road, Liushi, Yueqing, Wenzhou, Zhejiang, China

Contact name:Sunny Zhang

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WENZHOU SANTUO ELECTRICAL CO.,LTD.

White MCB Circuit Breaker , Miniature Current Circuit Breaker

Country/Region china
City & Province wenzhou zhejiang
Categories Battery Chargers
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Product Details

 

Light Weight STM3-63 1p White Miniature Circuit Breaker High Breaking Capacity

 

STM3-63 series high breaking capacity mini circuit breaker is used in AC50/60Hz, rated voltage of 230V

3, 4 poles 400V, rated current to 63A for overload and short-circuit protection as well as for unfrequented switching under normal case.It is used extensively for industry, commercial and household.This product conform to IEC60898 standard.


 

 

Specifications

 

ModelSTM3-63 MCB
StandardIEC60898
Pole1P,2P,3P,4P
Rated Short-circuit capacity(Icn)3KA,4.5KA,6KA
Rated Current(In)1,2,4,6,10,16,20,25,32,40,50,63A
Rated Voltage(Un)230/400V
Rated Frequency50/60HZ
Tripping curveB,C,D
Magnetic releasesB curve: between 3and 5 In
C curve: between 5and 10In
D curve: between 10 and 14In
Electro-mechanical enduranceover 6000 cycles

 

 

 Standard IEC/EN 60947-2; IEC60898
Electrical
features
Rated current InA1,2,4,6,10,16,20,25,32,40,50,63
PolesP1,2,3,4
Rated voltage UeV230/400
Insulation voltage UiV500
Rated frequencyHz50/60
Rated breaking capacityA4500,6000
Rated impulse withstand voltage(1.2/50)UimpV4000
Dielectric test voltage at ind.Freq.for 1 minKv2
Pollution degree 2
Thermo-magnetic release characteristic B,C,D
Mechanical
features
Electrical lifet4000
Mechanical lifet10000
Protection degree IP20
Reference temperature for setting
of thermal element
30
Ambient temperature
(with daily average ≤35℃)
-5~+40(Special application please refer to
temperature compensation correction)
Storage temperature-25~+70
InstallationTerminal connection type Cable/Pin-type busbar
Terminal size top/bottom for cablemm225
AWG18-3
Therminal size top/bottom for busbarmm225
AWG18-3
Tightening torqueN*m2
In-lbs18
Mounting on DDIN rail EN 60715(35mm)by means of fast clip device
Connection From top and bottom

 

 

Main benefits

 

1. Safety performances ensured worldwide by international marks approval

2. High quality execution and attention to details

3. Complete range of products and related accessories

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