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Wenzhou Korlen Electric Appliances Co., Ltd.

Residual Current Circuit Breaker, RCD, ID RCCB manufacturer / supplier in China, offering High Quality Residual Current Circuit Breaker Knl5-63 (ID), KNC1-95 AC Contactor, Supply Knx Tsm 15waysdistribution Boxes and so on.

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High Quality Residual Current Circuit Breaker Knl5-63 (ID)

FOB Price: Get Latest Price
Min. Order: 1,000 Pieces
Production Capacity: 500000PCS/Year
Transport Package: Carton
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: KNL5-63(ID)
  • Operation: Electric Type
  • Arc-extinguishing Medium: Air
  • Structure: RCCB
  • Certification: CE, CB
  • Specification: CE; ROHS; CCC
  • HS Code: 8536200000
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Poles Number: 2p,4p
  • Trademark: korlen
  • Origin: Wenzhou; Zhejiang; China
Product Description
KNL5 series Residual current circuit breaker(without over-current protection) is suitable for the line of AC 50/60Hz, voltage 240V(2pole)/415V(4pole), 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 IEC/EN61008.1 and GB16916.1.

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 zero, 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.
Frame class63A
Rated working voltage240/415V
Rated frequency50/60Hz
Rated working current16,20,25,32,40,50,63A
Rated residual operating current0.03,0.1,0.3,0.5A
Rated residual un-operating current0.015,0.05,0.15,0.25A
SensibilityA Type,AC Type
Maximum operating timeIΔn t≤0.1s , 5IΔn t≤0.04
Rated making and breaking capacityIn≤50A 500A,In=63A 630A
Limiting value of un-operating current6In
Rated limiting short-circuit current6000A
Pole number2,4P
Mechanical life10000

High Quality Residual Current Circuit Breaker Knl5-63 (ID)
High Quality Residual Current Circuit Breaker Knl5-63 (ID)
High Quality Residual Current Circuit Breaker Knl5-63 (ID)
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Mr. Lianggui Liu
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