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CNC Electric Group Co., Ltd.

Mcb, Vacuum Circuit Breaker, Mini Circuit Breaker manufacturer / supplier in China, offering Hot Product Residual Current Circuit Breaker (YCB5NL), Cjx2 (LC1-D) 4-Phase AC Contactor, Square Standard Output Current Transformer and so on.

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Supplier Homepage Product Modular DIN Rail Miniature circuit breaker Hot Product Residual Current Circuit Breaker (YCB5NL)

Hot Product Residual Current Circuit Breaker (YCB5NL)

FOB Price: Get Latest Price
Min. Order: 1 Box
Production Capacity: 3000/Day
Transport Package: Export Packing
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: YCB5NL
  • Operation: Electric Type
  • Arc-extinguishing Medium: Air
  • Structure: MCB
  • Certification: ISO9001-2000, CE, CB, CCC
  • Rated Current (a): 6, 10, 16, 20, 25, 32, 40
  • Dielectric Test Voltage(Kv): 2.0
  • Rated Breaking Capacity(a): 6000
  • Protection Degree: IP20
  • Mechanical Life: 8000
  • Specification: IEC/EN 60898-1, CE, 3C, CB
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Insert
  • Poles Number: 1p+N,3p+N
  • Rated Voltage (V): 230/400
  • Rated Frequency(Hz): 50/60
  • Rated Impulse Withstand Voltage(V): 4000
  • Insulation Voltage(V): 500
  • Curve: B,C,D
  • Trademark: CNC
  • Origin: Zhejiang, China
Product Description
Hot product Residual Current Circuit Breaker (YCB5NL)

About CNC

1. China Top 500 Enterprise
2.26 years rich experience in manufacturing electrical products
3. Sales in over 100 countries


1. Protection against overload and short-circuit currents
2. Protection against the effects of sinusoidal alternating earth fault currents
3. Protection against indirect contacts and additional protection against direct contacts.
4. Protection against fire hazard caused by insulation faults
5. Used in residential building


1. We Are Suppler of Three Gorges Project, China National Petroleum, Sinopec Group;

2. China Famous Export Enterprise, Our Products Sale in Over 100 Countries;

3. Our Laboratory is China Key Industrial Electrical Laboratory;

4. We have completely sales service system, ensure every detail is going smooth.

5. We have new designed products each year by our R&D Dpartment.

6. Perfect testing system ensure each product is qualified.

7. Want know more of us? Waiting for your inquiry.
Type Standard   IEC/EN 60898-1
Electrical features Leakage type   Electromagnetic type
Rated current In A 6, 10, 16, 20, 25, 32, 40
Type(wave form of the earth leakage sensed )    A,AC
Poles P 1P+N,3P+N
Rated voltage Ue V 230/400
Insulation voltage Ui V 500
Rated frequency HZ 50/60
Rated breaking capacity A 6000
Rated impulse withstand voltage (1.2/50) Uimp V 4000
Dielectric test voltage at ind. Freq. for 1 min kV 2
Rated sensitivity A 0.03,0.1,0.3
Break time under s ≤ 0.1
Rated residual making and breaking capacity A 500
Pollution degree   2
Mechanical features Electrical life t 4000
Mechanical life t 8000
Protection degree   IP20
Storage temperature °C -25~+70
Ambient temperature (with daily average≤35°C) °C -5~+40 
Installition Terminal connection type   Cable/Pin-type busbar/U-type bar
Terminal size top/button for cable mm² 16
AWG 18-5
Terminal size top/button for busbar mm² 16
AWG 18-5
Tightening torque N*m 1.2
In-Ibs 11
Mounting    On DIN rail EN 60715(35mm) by means of fast clip device
connection   From top and button

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