Gold Member Since 2006
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CNC Electric Group Co., Ltd.

Vacuum Circuit Breaker, 3 Phase Circuit Breaker, Mcb manufacturer / supplier in China, offering Hot Product MCB for 3 Phase Circuit Breakerr (YCB5LN), 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 MCB for 3 Phase Circuit Breakerr (YCB5LN)

Hot Product MCB for 3 Phase Circuit Breakerr (YCB5LN)

FOB Price: US $1.2-3.9 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1.2-3.9/ Piece
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Production Capacity: 3000/Day
Transport Package: Export Packing
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: YCB5LN
  • 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
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.
How to Order?
1. Please let us know what kind of model, color, battery capacity you need.
2. Proforma invoice (PI) will be sent to you.
3. Please check and confirm the PI.
4. Once we confirmed the order, please pay it soon.
5. After full payment, all goods will be sent to you in 3-5 days as usual.
6. OEM/ODM is welcomed. Free OEM for more than 500 sets orders.
1. Products are shipped via UPS / DHL / EMS / HK EMS / FedEx / TNT and so on expresses (door to door).
2. We Provide Drop shipping Service.
3.5 days delivery upon receiving payment if the qty is lower than 1000PCS and it is not customized products.
4. In order to ensure you receive your order tax free upon import, we declare lower value.
5. Shipping via EMS. UPS. FedEx and TNT express usually takes 3~7days dependent on the destination country.

1. We accept Western Union and T/T, Paypal (extra 4% commission charge)
2.30% deposit and 70% before shipping
3. No payment collection. We only can deliver goods after getting full payment

1.6 months for batteries, 3 months for atomizers.
2. If the product is defective, please notify us within 3 days of delivery.
3. All products must be returned on their original condition, in order to qualify for a refund or exchange of goods
We provide 1 year warranty.
If the item is defective, please notify us within 3 days of delivery.
All item please be returned in their original condition in order to qualify for a refund or exchange of goods

Welcome to inquire, negotiate, we will be happy to provide you with the best quality products and personalized service!
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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