Chint Nb1-63 Miniature Circuit Breaker DC MCB Circuit Breaker

• Customization: Available
• Breaking Capacity: Low Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: Chint NB1-63
• Speed: Normal Type Circuit Breaker
• Installation: Insert
• Structure: MCB
• Function: Conventional Circuit Breaker, Overcurrent Protection, OVP(Overvoltage Protection)
• Certification: CE, CCC
• Transport Package: Carton
• Specification: 1kg
• Trademark: Original
• Origin: China
• Production Capacity: 10000 Sets/Month

Product Description

Product Description

 

 

Product Parameters

1.1 Function

protection of circuits against short-circuit currents,protection of circuits against overload currents,switch,isolation.

NB1 circuit-breakers are used in domestic installation, as well as in commercial and industry electrical distribution systems.

1.2 Selection

Technical data of the network at the point considered:short-circuit current at the circuit-breaker installation point,  which must always be less than the breaking capacity of this device,network normal voltage.

Tripping curves:

B curve (3-5In) 

protection for people and big length cables in TN and IT  systems. 

      C curve (5-10In)

protection for resistive and inductive loads with low inrushcurrent.

      D curve(10-14In)

protection for circuits which supply loads with high inrush current at the circuit closing 

(LV/LV transformers, breakdown lamps).

1.3 Approvals and certificates

Detailed information, please refer to Certificates Table on the last page.

 

Application

 

Our Advantages

Established in 2012, Enron Shenyang Electronic Technology Co., Ltd. has been a trusted partner in global electrical solutions for 12 years. As a premier distributor of world-leading electrical brands, we proudly represent Electric, Siemens, CHINT, and other renowned manufacturers, delivering cutting-edge products across industrial, commercial, and energy sectors.
Headquartered in Shenyang with a strategic presence in Northeast China's industrial hub, our expertise spans power distribution systems, automation controls, and energy-efficient technologies. Through rigorous quality control and customized technical support, we serve clients in over 30 countries across Asia, Europe, and Africa, empowering industries from smart manufacturing to renewable energy projects.

Packaging & Shipping

 

 

1.Carefully package each product to give customers the best product experience.

2.The most economical, convenient and safe mode of transportation to ensure that the goods reach the hands of customers at the fastest speed.

3.Always put customer requirements in the first place, to customer requirements for guidance.

FAQ

1.who are we?
We are based in Shenyang, China, start from 1959,sell to Domestic Market(50.00%),Eastern Asia(8.00%),North America(8.00%),Eastern Europe(6.00%),South Asia(6.00%),Western Europe(4.00%),Africa(4.00%),Southeast Asia(3.00%),Southern Europe(3.00%),South America(3.00%),Central America(3.00%),Northern Europe(2.00%).    There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Various types of bursting disc safety devices

4.why should you buy from us not from other suppliers?
We have more than 60 years of design and development experience;
we can produce Various types of bursting disc safety devices and so on.
not only has the advanced management concepts and business culture, and also has a vibrant sales team.

5.what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR,JPY,HKD;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,PayPal,Cash;