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CQB2L-63 6kA Residual Current Operated Circuit Breaker with Over-current Protection (Ele
CQB2L-63 6kA Residual Current Operated Circuit Breaker with Over-current Protection (Ele

CQB2L-63 6kA Residual Current Operated Circuit Breaker with Over-current Protection (Ele

Member Details

Zhejiang Chuangqi Electric Co., Ltd.

Wenzhou,Zhejiang,China

Manufacturer

  • Product Details
  • Company Profile

·Overload protection ·Short circuit protection ·Protect people against indirect contacts and additional protection against direct contacts. ·Protect installations against fire hazard due to insulation faults. ·Control electric circuits Suitable for industrial, commercial, high-rise and civil residences circuit protection.

1 Application

·Overload protection

·Short circuit protection

·Protect people against indirect contacts and additional protection against direct contacts.

·Protect installations against fire hazard due to insulation faults.

·Control electric circuits

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


 

2 Type designation

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3 Technical data

Specifications

Insulation voltage

500V

Rated current(A)

6、10、16、20、25、32、40、50、63

Rated frequency

50Hz / 60Hz

Number of poles

2P 、3P 、4P 、1P+N 、3P+N

Rated breaking capacity Icn=Ics(A)

6000A

Rated sensitivity (mA)

30、50、75、100、300

Rated residual making and breaking capacity

2000A

Mechanical life(cycles)

4000

Electrical life(cycles)

4000

Tripping characteristics

B 、 C 、 D

Protection degree

IP20

Standard

IEC61009-1、GB/T16917.1

Compliant certification

CCC

 

Table 1  Tripping characteristics  (temperature 30℃) 

Type   Rated current(A)    Initial status    Test current    Tripping time    Expected result    Remarks
Delay≤63Cold1.13In≤1hNon-tripping
Delay≤63Following previous test1.45In<1htrippingCurrent smoothly rises to specified value in 5s
Delay≤32Cold2.55In1<t<60stripping
Delay>32Cold2.55In1<t<120stripping
InstantaneousAny valueCold3、5、10In≤0.1sNon-trippingB、C、D 
InstantaneousAny valueCold5、10、20In<0.1strippingB、C、D 

 

4  Nominal operation conditions
1 Ambient operating temp. range:-5℃~40℃;≤90%/20℃;≤50%/40℃
2 Operating altitude: ≤2000m
3 Pollution degree: 2
4 Overvoltage category: Ⅱ&Ⅲ
5 Mounting type:Din rail embedded(TH35-7.5).
6 Terminal connection type:Cable
7 Terminal Torque: 2.5N.m

 

5 Conductor requirements and cross-sectional area

Nominal cross section area (mm2)Rated current In(A)
1In≤6
1.56<In≤13
2.513<In≤20
420<In≤25
625<In≤32
1032<In≤50
1650<In≤63

6  Dimensions and installation sizes(unit :mm)

 

 

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