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Residual Current Circuit Breaker For Building

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    ≥1
    Bag/Bags
Payment Type:
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Min. Order:
1 Bag/Bags
Transportation:
Ocean,Land,Air
Port:
Ningbo,ShangHai
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  • Product Description
Overview
Product Attributes

Model No.KNL1-63(F360) Normal type

BrandKorlen

Breaking CapacityLow Voltage Circuit Breakers

OperationManual Type

SpeedNormal Type Circuit Breaker

Arc-extinguishing MediumAir

InstallationFixed

StructureMcb

Poles Number2

TypeCircuit Breaker

FunctionConventional Circuit Breaker

CertificationCe

Frame63a

Rated Working Voltage240v/415v

Rated Limiting Short-circuit Current3000a

Rated Worling Current16;20;25;32;40;50;63a

SensibilityActype

Supply Ability & Additional Information

Packagingcarton

Productivity500000PCS/Year

TransportationOcean,Land,Air

Place of OriginWenzhou; Zhejiang; China

CertificateCE,CB

HS Code8536200000

PortNingbo,ShangHai

Payment TypeL/C,T/T,D/P,Paypal

Packaging & Delivery
Selling Units:
Bag/Bags
Package Type:
carton

KNB1-63 Miniature Circuit Breaker

Provides protection against earth fault/leakage current and function of isolation
Applicable to terminal and pin/fork type busbar connection
Fire resistant plastic parts endures abnormal heating and strong impact
Automatically disconnect the circuit when earth fault/leakage current occurs and exceeds therated sensitivity.
Independent of power supply and line voltage, and free from external interference, voltage fl uctuation.

KNL1-63 series Residual Current Circuit Breaker(without over-current protection) is suitable for the line of AC 50/60Hz, voltage 240V(2 pole)/415V(4 pole), rated current up to 63A. When there is human electricity shock or if the leakage current of the line exceeds the prescribed value, it will cut off the power rapidly to protect human safety and prevent the accident due to the current leakage. It can be used as infrequent changeover of the line in normal situation.It is applicable to industrial site, commercial site, tall building and civil house.

It complies with standard of GB16916.1 and IEC/EN61008.1.

 

Basic specification and main parameters  

Residual Current Circuit Breaker
Ac Residual Current Circuit Breaker
Miniature Residual Current Circuit Breaker
Residual Current Electrical Circuit Breaker

Frame

63A

Rated working voltage

240/415V

Rated frequency

50/60Hz

Rated working current

16.20.25.32.40.50.63A

Rated residual operating current

0.03,0.1,0.3,0.5A

Rated residual un-operating current

0.015,0.05,0.15,0.25A

Sensibility

A Type.S Type.AC Type

Maximum operating time

I△n t≤0.1s , 5I△n t≤0.04

Rated making and breaking capacity

In≤50A 500A,In=63A 630A

Limiting value of un-operating current

6In

Rated limiting short-circuit current

3000A

Pole number

2.4P

Mechanical life

10000

Electric life

4000

Operation principle 
Each phase of conductor at the circuit breaker passes through the zero-sequence current transformer, and the secondary side of coil connects with the electromagnetic tripper. Under normal condition, the vector sum of each phase of current passing through zero-sequence current transformer is zero. The flux of the zero-sequence current transformer is zero. And the secondary output voltage is zero and the circuit breaker doesn`t zreo, and the zero-sequence current transformer would produce the magnetic flux, and the secondary side of coil would output the voltage. Once the leak current increases to drive the output voltage at the secondary side to grow to certain level, the electromagnetic release would activate to drive the operation mechanism to act to break the contact that connects the power, finally to realize the leak protection.


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Product Categories : Miniature Circuit Breaker > KNB1-63 Miniature Circuit Breaker

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