2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka

Product Details
Customization: Available
Breaking Capacity: Low Voltage Circuit Breakers
Operation: Electric Type
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  • 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
  • 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
  • 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
  • 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
  • 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
  • 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
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  • Overview
  • Product Description
Overview

Basic Info.

Model NO.
STM3-63
Speed
Normal Type Circuit Breaker
Arc-extinguishing Medium
Air
Installation
Fixed
Structure
MCB
Poles Number
4
Type
Circuit Breaker
Function
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
Certification
CE
Standard
IEC 60898
Ue
230/400V
in
1,2,4,6,10,16,20,25,32,40,50,63A
Pole
1p2p3p4p
Transport Package
Exporting Carton
Specification
240pcs/ctns
Trademark
SONTUOEC, WZSTEC
Origin
Wenzhou Zhejiang
HS Code
8536200000
Production Capacity
2000pieces/Week

Packaging & Delivery

Package Size
46.00cm * 24.00cm * 33.00cm
Package Gross Weight
0.010kg

Product Description

Product Description

GENERAL
  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.


1. Application:For protecting cables and equipments against overload and short circuit.
2. General rules for choosing MCB.
a. 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.
b. 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.)
2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
Specification:

Model ST2-63 MCB
Pole 1P,2P,3P,4P
Rated Current(In) 1,2,4,6,10,16,20,25,32,40,50,63A
Rated Voltage(Un) AC230(240)/400(415)V
Rated Frequency  50/60HZ
Tripping curve B,C,D
Magnetic releases B curve: between 3and 5 In
C curve: between 5and 10In
D curve: between 10 and 14In
Electro-mechanical endurance over 6000 cycles
 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka
  Standard   IEC/EN  60898-1
Electrical
features
Rated current In A 1,2,4,6,10,16,20,25,32,40,50,63
Poles P 1,2,3,4
Rated voltage Ue V AC   240/415
Insulation voltage Ui V 500
Rated frequency Hz 50/60
Rated breaking capacity A 45,006,000
Rated impulse withstand voltage(1.2/50)Uimp V 4000
Dielectric test voltage at ind.Freq.for 1 min Kv 2
Pollution degree   2
Thermo-magnetic release characteristic   B,C,D
Mechanical
features
Electrical life t 4000
Mechanical life t 10000
Protection degree   IP20
Reference temperature for setting
of thermal element
ºC 30
Ambient temperature
(with daily average ≤35ºC)
ºC -5~+40(Special application please refer to
temperature compensation correction)
Storage temperature ºC -25~+70
Installation Terminal connection type   Cable/Pin-type busbar
Terminal size top/bottom for cable mm2 25
AWG 18-3
Therminal size top/bottom for busbar mm2 25
AWG 18-3
Tightening torque N*m 2
In-lbs 18
Mounting   on DIN rail EN 60715(35mm)by means of fast clip device
Connection   From top and bottom
 2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka

Our Services:

  1. Competitive price
  2. Continuance Service and support
  3. Good-after service
  4. Quality Reliability and Long Product Life.
2p Automotive Circuit Breaker C Curve MCB Fork Busbar Type 6ka

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