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CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB

Zhejiang Changcheng Trading Co., Ltd.
  • Audited Supplier
  • 21 yrs

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Product Highlights

  • Comprehensive Protection: Provides overload, short circuit, and overvoltage protection for residential and industrial use.
  • Wide Current Range: Available in 12 rated current options from 1A to 63A for diverse application needs.
  • Multiple Pole Options: Supports 1, 2, 3, or 4 poles to fit various circuit configurations.
  • Standard Compliance: Meets IEC/EN 60898-1 standards with CE, CB, CCC, and ISO9001-2000 certifications.
  • Flexible Release Types: Offers Type B, C, and D instantaneous release characteristics for different load types.
  • Durable Performance: Features 20,000 mechanical life and 6,000 electrical life cycles for long-term reliability.
  • Easy Installation: Mounts on standard 35mm DIN rail with top and bottom cable or busbar connections.
  • OEM/ODM Support: Manufacturer offers OEM and ODM services with dedicated R&D engineers.

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Optional pre-shipment inspection for quality and quantity checks.
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Platform-assisted dispute resolution, including refunds or returns when applicable.

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Product Images of CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB

CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB pictures & photos
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB pictures & photos
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB pictures & photos
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB pictures & photos
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB pictures & photos
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB pictures & photos
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
  • CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
  • CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
    CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
  • CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
    CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
  • CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
    CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
  • CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
    CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
  • CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
    CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
  • CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
    CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB

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Product Description

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CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB


CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
Product Description

General

Overload protection 
Short circuit protection 
Controlling 
Used in residential building, non-residential building, energy source industry and infrastructure 
According to the type of instantaneous release classified as follows: type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCBCNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCBCNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
Type Standard   IEC/EN 60898-1
Electrical
features
Rated current In A 1,2,3,4,5,6,10,16,20,25,32,40,50,63
Poles P 1,234 
Rated voltage Ue V 230/400
Insulation voltage Ui V 500
Rated frequency Hz 50/60
Rated breaking capacity A 4500
Rated impulse withstand voltage(1.2/50)Uimp V 4000
Dielectric test voltage at ind. Freq. for 1min kV 2
Pollution degree   2
Thermo-magnetic release characteristic   B,C, D
Mechanical
features
Electrical life t 6000
Mechanical life t 20000
Protection degree   IP20
Reference temperature for setting of thermal
eement
ºC 30
Ambient temperature
(with daily averages35ºC)
ºC -5~+40
Storage temperature ºC -25~+70
Installation Terminal connection type   Cable/Pin-type busbar
Terminal size top / bottom for cable mm² 25
AWG 18-3
Terminal size top / bottom for busbar mm² 25
AWG 18-3
Tightening torque N*m 2
In-Ibs 18
Mounting   On DIN rail EN 60715(35mm)by means of fast DIP device
Connection   From top and bottom
 
Product Catalog
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB
Company Profile

 


CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB

 

Our Advantages

 

CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB

 

Our Clients/Partners
 

 

CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB

Packaging & Shipping

 


CNC Original AC Miniature Circuit Breaker Nb1-63AC MCB 1-63A 1p 2p 4p MCB

 

About the Supplier

This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI2531765". Items marked "verified" are certified.

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Zhejiang Changcheng Trading Co., Ltd.
Zhejiang Changcheng Trading Co., Ltd.
Zhejiang Changcheng Trading Co., Ltd.
Zhejiang Changcheng Trading Co., Ltd.
Zhejiang Changcheng Trading Co., Ltd.
Zhejiang Changcheng Trading Co., Ltd.
Zhejiang Changcheng Trading Co., Ltd.
Zhejiang Changcheng Trading Co., Ltd.

About Our Factory & Business Background

verified Business Type
Manufacturer/Factory & Trading Company
Address
No. 146-148 Xinguang Avenue, Yueqing City, Wenzhou City, Zhejiang Province
verified Plant Area
24070 square meters
verified Number of Employees
275
verified Registered Capital
10,000,000 RMB
verified Terms of Payment
LC, T/T, PayPal, Western Union, Small-amount payment
verified International Commercial Terms(Incoterms)
FOB, CIF, CFR, EXW
verified Average Lead Time
Peak Season Lead Time: one month
Off Season Lead Time: one month
verified Nearest Port
Ningbo Port

Our Production Capability & Technical Expertise

verified Main Products
Circuit Breaker, AC Contactor, Starters, Relays, Instruments, Switches, Fuses, Transformer, Switch Gear
verified Production Machines
Automatic Assembling \tFacility
verified ODM Service Available
Yes
verified OEM Service Available
Yes
verified R&D Engineers
2 people

Our Industry Experience & Global Business Record

verified Year of Establishment
2018-05-08
Export Year
2004-01-01
verified Main Markets
North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia
verified Number of Foreign Trading Staff
38
verified Overseas Agent/Branch
No

FAQ

What are the available rated currents?
The MCB is available in 12 options: 1, 2, 3, 4, 5, 6, 10, 16, 20, 25, 32, 40, 50, and 63A.
What certifications does this circuit breaker have?
It holds CE, CB, CCC, and ISO9001-2000 certifications and complies with IEC/EN 60898-1.
Can I customize the product with my brand?
Yes, OEM and ODM services are available as the manufacturer supports custom branding.
What is the lead time for orders?
The average lead time is one month, regardless of peak or off-peak seasons.
What are the payment terms?
We accept LC, T/T, PayPal, Western Union, and small-amount payments.
What protection functions are included?
It provides overload protection, short circuit protection, and overvoltage protection.
How is the circuit breaker installed?
It mounts on a standard 35mm DIN rail using a fast DIP device for easy installation.

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