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Wenzhou Korlen Electric Appliances Co., Ltd.

Switch, Moulded Case Circuit Breaker, Circuit Breaker manufacturer / supplier in China, offering High Breaking Capacity Moulded Case Circuit Breaker, KNC1-95 AC Contactor, Supply Knx Tsm 15waysdistribution Boxes and so on.

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High Breaking Capacity Moulded Case Circuit Breaker

FOB Price: US $10 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $10/ Piece
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Production Capacity: 30000PCS/Month
Transport Package: Carton
Payment Terms: T/T

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Basic Info
  • Model NO.: KNM2 Series
  • Operation: Electric Type
  • Arc-extinguishing Medium: Air
  • Structure: Moulded Case Circuit Breaker
  • Type: Circuit Breaker
  • Trademark: korlen
  • Origin: Wenzhou
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Certification: ISO9001-2000
  • Specification: IEC60947-2
Product Description
The rated insulation voltage of this circuit breaker is 750V which is applicable for theelectricity distribution net of AC 50Hz, rated working voltage 690V and below, rated workingcurrent from 6A to 630A. It is used to distribute electric power and protect the line and poweapparatus from being overload and short-circuit protection of the motor. This circuit breaker can be installed vertically and horizontally. This product complies with standard IEC60947-2,GB14048.2

No.
 
Testing current name
 
I/In
 
Assumed time
 
Starting situation
 
1
 
Assumed untripping current
 
1.05
 
2h(In>63A),
1h(In≤63A)
 
Cold state
 
2
 
Assumed tripping current
 
1.30
 
2h(In>63A),
1h(In≤63A)
 
Start right after the number 1 test
 

TypeKNM2-100NKNM2-160NKNM2-250NKNM2-400NKNM2-630NKNM2-800NKNM2-1000NKNM2-1250NKNM2-1600N
Rated insulation voltage(V)750750750750750800800800800
Rated pulse voltage(KV)888888888
Rated working voltage ue (V)AC690AC690AC690AC690AC690AC690AC690AC690AC690
Ultimate
short-circuit
breaking
capacity
lcu(KA)
AC 50/60Hz
220/240V858585858550505050
380/415V363636505050505050
440V353535424250505050
500V256060606040404040
525V222222222240404040
660/690V888101030303030
Operative short-circuit Breaking capacity50%75%luc75%luc75%luc75%luc75%luc75%luc75%luc75%luc
Isolation function








Usage categoryAAAAABBBB
Machanical life500004000020000150001000010000100001000010000
Electrical life300002000010000600040005000500040002000

W105105105140140210210210210
H161161161255255327327327327
D868686110110147147147147
High Breaking Capacity Moulded Case Circuit Breaker
High Breaking Capacity Moulded Case Circuit Breaker
High Breaking Capacity Moulded Case Circuit Breaker
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