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CNC Electric Group Co., Ltd.

Mcb, Mini Circuit Breaker, Miniature Circuit Breaker manufacturer / supplier in China, offering Ycb7 6ka 2p MCB Circuit Breaker Isolating Switch (C7 Series) (CB7-63 2p), Double-Winding Non-Excitation Tap-Changing Oil Immersed Distribution Transformer of 6~10V, CNC Sz9/Szf9 Oil Immersed on-Load-Tap-Changing Transformer of 35kv and Below and so on.

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Supplier Homepage Product Modular DIN Rail Miniature circuit breaker Ycb7 6ka 2p MCB Circuit Breaker Isolating Switch (C7 Series) (CB7-63 2p)

Ycb7 6ka 2p MCB Circuit Breaker Isolating Switch (C7 Series) (CB7-63 2p)

Purchase Qty.:
100-999 1,000+
FOB Unit Price: US $2.9 US $2.5
Purchase Qty. (Pieces) FOB Unit Price
100-999 US $2.9
1,000+ US $2.5
Get Latest Price
Production Capacity: 10, 000 PCS/Day
Transport Package: Standard Export Packing
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: CB7-63 2p
  • Operation: Manual Type
  • Arc-extinguishing Medium: Air
  • Structure: MCB
  • Type: Circuit Breaker
  • Certification: IEC60898-1
  • Rated Frenquency: 50/60Hz
  • Trademark: CNC
  • Origin: China
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: DIN Rail
  • Poles Number: 2
  • Function: Overcurrent Protection
  • Rated Voltage: 240/415V
  • Rated Current: 1-63A
  • Specification: IEC 61008-1
Product Description
6KA 2P miniature circuit breaker


C7 series circuit breaker is used in lighting distribution system or motor distribution system for protecting overload and short circuit in the system. The product is neoteric in structure, lig ht in weight, reliable and excellen t in performance. Its frame and parts adopt plastics of high fire resistant and shockproof. The product, with long life, is mainly used in AC 50Hz/60Hz single pole 240V or two, three, four poles up to 415V circuit for overload and short circuit protection, as well as for unfrequently switching electric equip ment and lighting circuit in normal case. The products comply with IEC 60898 & GB10963-1999.

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 features
Rated current In


1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63


Rated voltage Ue



Insulation voltage Ui



Rated frequency



Rated breaking capacity


6000, 10000

Rated impulse withstand voltage (1.2/50) Uimp



Dielectric test voltage at ind. Freq. for 1 min



Pollution degree



Thermo-magnetic release characteristic


B, C, D
Mechanical features
Electrical life



Mechanical life



Protection degree



Reference temperature for setting of thermal element

° C


Ambient temperature (with daily average≤ 35° C)

° C

-5~+40 (special application please refer to temperature compensation correction)

Storage temperature

° C

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