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CNC Electric Group Co., Ltd.

Miniature Circuit Breaker, Mini Circuit Breaker, MCB Circuit Breaker manufacturer / supplier in China, offering Ycb7-63 Miniature Circuit Breaker, Drop out Fuse (PRW1-24), Double-Winding Non-Excitation Tap-Changing Oil Immersed Distribution Transformer of 6~10V and so on.

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Ycb7-63 Miniature Circuit Breaker

Purchase Qty.:
100-999 1,000+
FOB Unit Price: US $3.9 US $3.5
Purchase Qty. (Pieces) FOB Unit Price
100-999 US $3.9
1,000+ US $3.5
Get Latest Price
Production Capacity: 10, 000 PCS/Day
Transport Package: Standard Export Packing
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: YCB7-63
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: Miniature Circuit Breaker
  • Type: Circuit Breaker
  • Certification: CE, CB, CCC, IEC60898-1
  • Rated Current: 1-63A
  • Trademark: CNC
  • Origin: China
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: DIN Rail
  • Poles Number: 3
  • Function: Overcurrent Protection
  • Frequency: 50/60Hz
  • Rated Voltage: 230/400V
  • Specification: IEC 60898
Product Description
Miniature Circuit Breaker (YCB7-63)


1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. Classified as follows according to the type of instantaneous release: Type B(3-5)ln, type C(5-10)ln, type D(10-14)ln
Electrical featuresRated current InA1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40,50,63
Rated voltage UeV230/400
Insulation voltage UiV500
Rated frequencyHz50/60
Rated breaking capacityA6000
Rated impulse withstand voltage (1.2/50) UimpV6000
Dielectric test voltage at ind. Freq. for 1 minKv2
Pollution degree
Thermo-magnetic release characteristic
B, C, D
Mechanical featuresElectrical lifet8000
Mechanical lifet20000
Protection degree
Reference temperature for setting of thermal element° C30
Ambient temperature (with daily average≤ 35° C)° C-5~+40
Storage temperature° C-25~+70
InstallationTerminal connection type
Cable / U-type bar / Pin-type busbar
Terminal size top/bottom for cable mm225
Terminal size top/bottom for busbarmm225
AWG  18-3
Tightening torqueN*m2
On DIN rail EN 60715(35mm) by means of fast clip device
from top and bottom
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