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CQB2H-63 10kA Miniature Circuit Breaker
CQB2H-63 10kA Miniature Circuit Breaker

CQB2H-63 10kA Miniature Circuit Breaker

Member Details

Zhejiang Chuangqi Electric Co., Ltd.

Wenzhou,Zhejiang,China

Manufacturer

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Features ·Overload & short circuit protection ·Positive isolation ·High breaking capacity up to10KA ·Comprehensive range of accessories suitable for subsequent installation



1 Application

Suitable for industrial, commercial, high-rise and civil residences circuit protection.

Features

·Overload & short circuit protection

·Positive isolation

·High breaking capacity up to10KA

·Comprehensive range of accessories suitable for subsequent installation

 

2 Type designation

 

3  Technical data

 Specifications                       

 Rated voltage(V)

230V/400V~(1P)、400V~(2P/3P/4P)

 Rated current(A)

6、10、16、20、25、32、40、50、63

 Number of poles

1P、2P、3P、4P

 Rated short circuit breaking lcn(A)

10000

 Electrical & Mechanical life

Electrical≥6000,Mechanical ≥20000

 Torque(N·m)

3.5

 Pollution class

2

 Protection degree

IP20

 Overvoltage category

Ⅱ、Ⅲ

 Tripping characteristics

Table1

StandardsIEC60898-1、GB/T10963.1

 

Table 1  Tripping characteristics(Reference temperature 30℃)

TestCurveTest current ln(A)StatusTime limit for tripping or non-trippingExpected resultRemark

a

B、C、D

1.13ln

Cold

t≤1h

Non-tripping

Current smoothly rises to specified value within 5s

b

B、C、D

1.45ln

Following item a test

t<1h

Tripping

c

B、C、D

2.55ln

Cold

1s<t<60s(ln≤32A)

1s<t<120s(ln>32A)

Tripping

d

B

C

D

3ln

5ln

10ln

Cold

t≤0.1s

Non-tripping

Switch on the power supply by closing the auxiliary switch

e

B

C

D

5ln

10ln

20ln

Cold

t<0.1s

Tripping

Switch on the power supply by closing the auxiliary switch

Note: The term "cold " means that the test is carried out at a reference calibration temperature without load before the test.

 


4 Order Specifications


 

5 Conductor requirements and cross-sectional area

Copper cross-sectional area  (mm2) Rated current In(A)

1.5

6<In≤13

2.5

13<In≤20

4

20<In≤25

6

25<In≤32

10

32<In≤50

16

50<In≤63

6  Dimensions(unit :mm)


 

 7 Tripping curve



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