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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 (YCB6NL), 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 RCCB/RCBO Hot Product Residual Current Circuit Breaker (YCB6NL)

Hot Product Residual Current Circuit Breaker (YCB6NL)

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.: YCB6NL
  • Operation: Electric Type
  • Arc-extinguishing Medium: Air
  • Structure: MCB
  • Certification: ISO9001-2000, CE, CB, CCC
  • Rated Current (a): 1,2,3,4,6,10,13,16,20,25,32,40,50,63
  • Dielectric Test Voltage(Kv): 2.0
  • Rated Breaking Capacity(a): 3000,4500
  • Protection Degree: IP20
  • Mechanical Life: 10000
  • Specification: IEC/EN 60898-1, CE, 3C, CB
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Insert
  • Poles Number: 1p-4p
  • Rated Voltage (V): 240/415
  • 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 (YCB6NL)

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 and distribution boards
6. Classified as follows according to the type of instantaneous release: Type B(3-5)ln, type C(5-10)ln


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   lEC/EN 61009-1
Electrical features Rated current In A 2,4,6,10,16,20,25,32,40
Type (wave form of the earth leakage sensed)   A,AC
Poles P 1P+N
Thermo-magnetic release characteristic   B,C
Rated voltage Ue V 240
Insulation voltage Ui V 500
Rated frequency Hz 50/60
Rated breaking capacity Icn  A 6000
Rated impulse withstand voltage (1.2/50) Uimp V 4000
Dielectric test voltage at ind. Freq. for 1min kV 2
Rated sensitivity IΔn A 0.01,0.03,0.1,0.3
Break time under IΔn s 500
Rated residual making and breaking capacity IΔm A 2
Mechanical features Pollution degree   ≤0.1
Electrical life t 4000
Mechanical life t 4000
Protection degree   IP20
Storage temperature °C -25~+70
Ambient temperature (with daily average≤35°C) °C -5~+40
Installation Terminal connection type   Cable/U-type bar/Pin-type busbar
Terminal size top / bottom for cable mm² 16
AWG 18-5
Terminal size top / bottom for busbar mm² 16
AWG 18-5
Tightening torque N*m 2
In-Ibs 18
Mounting   On DIN rail EN 60715(35mm)by means of fast clip device
Connection   From top

Type Test current Tripping time Type Test current Tripping time
B,C 1.13In t≤1h(In≤63A) B 3In t≤0.1s
  1.13In t≤2h(In>63A) C 5In t≤0.1s
B,C 1.45In t<1h(In≤63A)      
1.45In t<2h(In>63A) B 5In t<0.1s
B,C 2.55In 1s<t<60s(In≤32A) C 10In t<0.1s
2.55In 1s<t<120s(In>32A)      

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