Tianjin JMT Electric Co., Ltd. is one of the leading manufacturers and suppliers of dc circuit breaker in China. We warmly welcome you to buy advanced dc circuit breaker made in China here from our factory. All customized products are with high quality and competitive price.
| Product introduction |
1-63A M63DC Circuit Breaker |
| Brand Name | JAMIT |
| Model |
M63M |
| Application |
Household, commercial office buildings, residential buildings, and general industrial applications |
| Rated current(A) |
1,2,4,6,10,16,20,25,32,40,50,63 |
| Max. Voltage |
DC250V(1P)/DC500V(2P)/DC1000V(4P) |
| Rated short-circuit capacity Icn |
6KA |
| Rated operation short-circuit breaking capacity Ics |
6KA |
| Mechanical times |
30,000 |
| Pole |
1P/2P/4P |
| Size |
97*82.8*18mm(1P);2P *2;4P *4 |
| Materials |
Case: PA 66, Coil: 100% copper |
| Characteristics |
1P/2P/4P Short circuit protection, overload protection, isolation function |
| Standard |
GB/T 14048.2 IEC 60947-2 |
| Certification |
CCC, CE, CB, UKCA(United Kingdom) |
| Warranty time | 36Months |
| Advantage |
low energy consumption and high breakage circuit breaker |
| Package | imprint, inbox, master carton |
| Color | white & orange |
| MOQ |
3000 poles |
| Payment |
30% in advance, balance to be paid before shipment |
| Port |
TJ/designated domestic port |
| Product Time | 30days |
| Sample Time | 7days |
| Delivery time |
30days |
Technical Parameters
|
Product Model |
M63MDCPV |
|
|
Rated current (A) |
1,2,4,6,10,16,20,25,32,40,50,63 |
|
|
Rated voltage Ue (V) |
DC250V(IP) |
|
|
Pole No. |
1P,2P,4P |
|
|
Mechanical life(times) |
30000(Enterprise standard) |
|
|
Electrical life(times) |
15000(Enterprise standard) |
|
|
Rated short-circuit capacity Icm(A) |
6000 |
|
|
Rated operation short-circuit breaking capacity Icb(A) |
6000 |
|
|
Rated insulation voltage DC Ui(V) |
1000 |
|
|
Rated impulse withstand voltage Uimp (kV) |
4 |
|
|
Dielectric test voltage (V) |
2000(50Hz,1min) |
|
|
Anti-vibration (IEC/EN60068-2-6) |
No obvious vibration and impact |
|
|
Wire terminal |
Minimum sectional area of connectable conductor (mm²) |
1 |
|
Maximum sectional area of connectable conductor (mm²) |
35 |
|
|
Standard connection torque (N·m) |
3.5 |
|
|
Maximum allowable torque (N·m) |
5 |
|
|
Lead insertion depth (mm) |
10 |
|
|
Reference temperature (°C ) |
30 |
|
|
Operating temperature (°C ) |
-35~+70 |
|
|
Storage temperature (°C ) |
-35~+85 |
|
|
Applicable altitude (m) |
≤2000 |
|
|
Form of tripping |
Thermal magnetic trip |
|
|
Instantaneous tripping characteristics |
B type |
5.5In=20% |
|
C type |
8.5In=20% |
|
|
D type |
- |
|
|
Wiring method |
Without limitation |
|
|
Installation method |
TH33-7.5 Standard guide rail |
|
|
Pollution capacity |
2 |
|
|
Protection level |
Circuit breaker |
IP20 |
|
Installed in distribution box |
IP40 |
|
*1) MCB M63M DC PV sectional area of connectable conductor: Min: 1mm²; Max: 35mm²
*2) Breaking capacity: 6kA
*3) Rated current: 1-63A; pole: 1P/2P/4P; tripping curve:B/C;B curve》5.5In±20%/C curve》8.5In±20%
Appearance and Installation Dimension
Feature
Quick closing mechanism
Instantaneous closing, efficient switching, reducing the risk of arcing and welding.
Bimetal bidirectional adjustment
Bi-directional precise setting, suitable for multiple working conditions.
Super seismic optimization
Stable seismic resistance, worry free in complex scenarios.
Certificate
Industry Position
For over 30 years, Jamit has specialized in the high-end low-voltage electrical equipment sector. As a high-tech enterprise integrating R&D, production, and sales, the company holds a leading position in China's niche markets for smart circuit breakers, electrical metal components, and new energy charging solutions.
Within the global low-voltage electrical equipment industry, the company leverages fully independent intellectual property rights and multiple world-first technologies as its core competitive advantages. It differentiates itself from international brands such as Schneider Electric, ABB, and Siemens while aligning with international standards in independent innovation, smart manufacturing, and product quality.
Core Advantage
Fully independent intellectual property rights, mastering the core technology and production process.
Product Concept
100% independent research and development, 100% independent production, 100% factory inspection.
Market Concept
To be a low energy consumption and high breaking circuit breaker in line with the international developments.
Enterprise vision
To be recognised as a world-class electrical brand.
About Us
Tianjin JMT Electric Co., Ltd. was established in 2013 and is headquartered in Tianjin, China, with a registered capital of 50 million RMB. The company mainly engages in the research and production of electrical metal components, as well as the manufacturing and sales of low-voltage electrical appliances, smart circuit breakers, charging piles, and other products. Globally, it has invested in three factories and has production bases in overseas markets such as India, Hungary, and Thailand.
Tianjin JMT Electric Co.Limited is a company dedicated to high-end intelligent low-voltage electrical products, integrating design, R&D, production and sales. It has been deeply involved in the field of high-end electrical components for 30 years, mastering core technologies and production processes, and its quality meets international standards.
JMT Electric possesses circuit breakers with complete independent intellectual property rights, and several of its inventions and innovations are world firsts.
About JAMIT
▶ 30 Years of professional experience
▶ National High-Tech Enterprise
▶ Having core technology and production process
▶ More than 100 design patents
▶ Certification: CCC,CQC,CE, CB, UKCA, KC
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