Gold Member Since 2009
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Wenzhou Korlen Electric Appliances Co., Ltd.

Circuit Breaker, Switch, Electrical Switch manufacturer / supplier in China, offering High Breaking Miniature Circuit Breakers (MCB) Knb6-63, KNC1-95 AC Contactor, Supply Knx Tsm 15waysdistribution Boxes and so on.

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Supplier Homepage Product Mini Circuit Breaker High Breaking Miniature Circuit Breakers (MCB) Knb6-63

High Breaking Miniature Circuit Breakers (MCB) Knb6-63

FOB Price: Get Latest Price
Min. Order: 1,000 Pieces
Production Capacity: 5000000PCS/Year
Transport Package: Carton
Payment Terms: L/C, T/T, Paypal

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Basic Info
  • Model NO.: KNB6-63
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: MCB
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE, CB
  • Origin: Wenzhou; Zhejiang; China
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 4
  • Function: Conventional Circuit Breaker
  • Trademark: KORLEN
  • HS Code: 8536200000
Product Description
Product Description:
Sphere of application                                         Model and meaning   
Basic specification and main parameters              Dimensions(mm)   
The over-current tripping unit protection feature   Characteristics curve  
Technique parameter:

Sphere of application

KNB6 High-breaking Miniature Circuit Breaker is nice in appearance, reasonable in structure, sound in feature and high in breaking capacity. Installed with standard din rail, it is convenient and easy in usage. It is mainly used in the line of AC 50/60Hz, rated working voltage to 415V, and rated current to 63A as protection against overload and short-circuit. It can be used as infrequent on-and-off operation and changeover.
It complies with standard of GB10963 and IEC/EN60898.

Basic specification and main parameters
 

Frame class
63A
Rated working voltage
240V/415V
Rated frequency
50/60Hz
Rated working current
6,10,16,20,25,32,40,50,63A
Making and breaking capacity
10000A
Release type
C
Poles
1,2,3,4P
Mechanical life
10000
Electric life
4000

The over-current tripping unit protection feature   

Sequence 
NO .
Release
Test 
current I/In
Start state
Tripping 
time
Expected 
restlt
1
c
1.13In
Cold state
t≤1h
Not tripping
2
c
1.45In
Start right after 
the serial NO . 
1 test
t<1h
Tripping
3
c
2.55In
Cold state
1s
Tripping
4
c
5In
Cold state
t≤0.1s
Not tripping
5
c
10In
Cold state
t<0.1s
Tripping


Model and meaning
High Breaking Miniature Circuit Breakers (MCB) Knb6-63
Dimensions(mm)  
High Breaking Miniature Circuit Breakers (MCB) Knb6-63
Characteristics curve
High Breaking Miniature Circuit Breakers (MCB) Knb6-63


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Mr. Lianggui Liu
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