Current Limit 2P Automotive Circuit Breaker Electrical Type C MCB

Brand Name:SONTUNE
Certification:CE, CB, SAA,ISO9001
Model Number:ST2-63
Minimum Order Quantity:10000PCS
Delivery Time:20DAYS
Place of Origin:China
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Location: Wenzhou Zhejiang China
Address: No. 3999 LiuJiang Road, Liushi, Yueqing, Wenzhou, Zhejiang, China
Supplier`s last login times: within 26 hours
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Product Details

Current Limit 2P Automotive Circuit Breaker Electrical Type C MCB


General


ST2-63 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.

1. Application:For protecting cables and equipments against overload and short circuit.
2. General rules for choosing MCB.
Technical data of the network at the point considered
The earthing systems,short-circuit current at the circuit breaker installation point,which must always be less than the breaking capacity of this device,network normal voltage.
There are 3 curvve characteristics for magnetic operation:
B curve (3-5In) protection and control of the circuits against length cables in TN and IT systems.
C curve (5-10In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.
D curve (10-14In) protection and control of the circuits against overloads and short-circuits; protection for circuits which supply loads with high inrush current at the circuit closing (LV/LV transformers,breakdown lamps.)


Specifications


ModelST2-63 MCB
Pole1P,2P,3P,4P
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

StandardIEC/EN 60898-1
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 degree2
Thermo-magnetic release characteristicB,C,D
Mechanical
features
Electrical lifet4000
Mechanical lifet10000
Protection degreeIP20
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 typeCable/Pin-type busbar
Terminal size top/bottom for cablemm225
AWG18-3
Therminal size top/bottom for busbarmm225
AWG18-3
Tightening torqueN*m2
In-lbs18
Mountingon DDIN rail EN 60715(35mm)by means of fast clip device
ConnectionFrom top and bottom



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Current Limit 2P Automotive Circuit Breaker Electrical Type C MCB

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