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Wenzhou Korlen Electric Appliances Co., Ltd.

Moulded Case Circuit Breaker, Circuit Breaker, Mccb manufacturer / supplier in China, offering New Moulded Case Circuit Breaker (KNM3 Series), High Quality Knxf 4ways Distribution Box, Knxf-18ways High Quality Distribution Box and so on.

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New Moulded Case Circuit Breaker (KNM3 Series)

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

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Basic Info
  • Model NO.: KNM3 Series
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: Moulded Case Circuit Breaker
  • Type: Circuit Breaker
  • Certification: VDE, ISO9001-2000, CE, CB
  • Specification: ROHS; CE; ISO
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 3
  • Function: Overcurrent Protection, Ovp(Overvoltage Protectio
  • Trademark: KORLEN
  • Origin: Wenzhou; Zhejiang; China
Product Description
The rated insulation voltage of this circuit breaker is 750V which is applicable for the electricity distribution net of AC 50Hz, rated working voltage 690V and below, rated working current from 6A to 630A. It is used to distribute electric power and protect the line and power apparatus 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/InAssumed timeStarting
situation
1Assumed un-
tripping current
1.052h(In>63A),
1h(In≤63A)
Cold state
2Assumed tripping
current
1.302h(In>63A),
1h(In≤63A)
Start right after the
number 1 test
TypeKNM3-125NKNM3-160NKNM3-250NKNM3-400NKNM3-630NKNM3-800N
Rated current In(A)125A160A250A400A630A800A
Rated insulation voltage(V)500690800800800800
Rated pulse voltage(KV)668888
Rated working voltage ue (V)AC500AC690AC690AC690AC690AC690
DC250DC500DC750DC750DC750DC750
Ultimate
short-circuit
breaking
capacity
lcu(KA)
AC 50/60Hz
220/240V405065656565
380/415V253535353535
440V162030303030
500V121225252525
690V-814202020
Operative short-circuit Breaking capacity......
Isolation functionAAAABB
Usage category..



Mode
of
tripping
unit
Unadjustable





Adjustable thermal trip
Unadjustable electromagetic trip


..

Unadjustable

....
Machanical life250002500025000200002000020000
Electrical life800080008000700050005000

L7890105140210210
D7070103.5103.5103.5103.5
H120120170254268268
New Moulded Case Circuit Breaker (KNM3 Series)
New Moulded Case Circuit Breaker (KNM3 Series)
New Moulded Case Circuit Breaker (KNM3 Series)
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Mr. Lianggui Liu
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