Tianjin JMT Electric Co., Ltd. is one of the leading manufacturers and suppliers of 16 a miniature circuit breaker in China. We warmly welcome you to buy advanced 16 a miniature circuit breaker made in China here from our factory. All customized products are with high quality and competitive price.
| Product introduction | 1-63A mini circuit breaker |
| Brand Name | JAMIT |
| Model |
M63M/M63H/M63SD |
| Application |
M63M: Household, commercial office buildings, residential buildings, and general industrial applications M63H: Commercial office buildings, residential buildings, and general industrial applications M63SD: 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 |
M63M:AC 240V/415V/DC250V(1P)/DC500V(2P)/DC1000V(4P); M63H: AC230V/AC400V; M63SD: AC230/240V(1P,1P+N,2P); AC415/440V(3P,3P+N,4P) |
| Rated short-circuit capacity Icn |
M63M/M63SD: 6KA; M63H: 15KA |
| Rated operation short-circuit breaking capacity Ics |
M63M/M63SD: 6KA; M63H: 7.5KA |
| Mechanical times |
30,000 |
| Pole |
M63M/M63SD/M63H: 1P/2P/3P/4P/1P+N/3P+N; M63SD: 1P/2P/4P |
| Size |
97*82.8*18mm(1P);2P *2;3P *3;4P *4; 1P+N*2; 3P+N*4 |
| Materials |
Case: PA 66, Coil: 100% copper |
| Characteristics |
1P/2P/3P/4P/1P+N/3P+N Short circuit protection, overload protection, isolation function |
| Standard |
M63M/M63H: GB/T 10963.1 IEC 60898-1; M63SD: GB/T 14048.2 IEC 60947-2 |
| Certification | CCC, CE, CB, UKCA(United Kingdom) |
| Warranty time |
36Months |
| Advantage | low energy consumption and high breaking 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
M63M AC
|
Product Model |
M63M |
|
|
Rated current (A) |
1,2,4,6,10,16,20,25,32,40,50,63 |
|
|
Rated voltage Ue (V) |
AC240/415V(1P) |
|
|
Rated operating frequency (Hz) |
50/60 |
|
|
Pole No. |
1P,2P,3P,4P,1P-N,3P-N |
|
|
Mechanical life(times) |
30000(Enterprise standard) |
|
|
Electrical life(times) |
15000(Enterprise standard) |
|
|
Rated short-circuit capacity Icn(A) |
6000 |
|
|
Rated operation short-circuit breaking capacity Ics(A) |
6000 |
|
|
Rated insulation voltage Ui(V) |
440 |
|
|
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 |
3~3In |
|
C type |
5~10In |
|
|
D type |
10~20In |
|
|
Wiring method |
Without limitation |
|
|
Installation method |
TH31-7.5 Standard guide rail |
|
|
Pollution capacity |
2 |
|
|
Protection level |
Circuit breaker |
IP20 |
|
Installed in distribution box |
IP40 |
|
M63M DC
|
Product Model |
M63MDCPV |
|
|
Rated current (A) |
1. 2. 4. 6. 10. 16. 20. 25. 32. 40. 50. 63 |
|
|
Rated voltage Ue(V) |
DC250V(1P) |
|
|
Pole No |
1P,2P,4P |
|
|
Mechanical life(times) |
30000(Enterprise standard) |
|
|
Electrical life(times) |
15000(Enterprise standard) |
|
|
Rated short-circuit capacity Icn(A) |
6000 |
|
|
Rated operation short-circuit breaking capacity Ics(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 |
TH35-7.5 Standard guideway |
|
|
Pollution capacity |
2 |
|
|
Protection level |
Circuit breaker |
IP20 |
|
Installed in distribution box |
IP40 |
|
M63H
|
Product Model |
M63H |
|
|
Rated current (A) |
1,2,4,6,10,16,20,25,32,40,50,63 |
|
|
Rated voltage Ue (V) |
AC230/400V(1P) |
|
|
Rated operating frequency (Hz) |
50/60 |
|
|
Pole No. |
1P,2P,3P,4P,1P+N,3P+N |
|
|
Mechanical life(times) |
30000(Enterprise standard) |
|
|
Electrical life(times) |
15000(Enterprise standard) |
|
|
Rated short-circuit capacity Icn(A) |
15000 |
|
|
Rated operation short-circuit breaking capacity Ics(A) |
7500 |
|
|
Rated insulation voltage Ui(V) |
440 |
|
|
Rated impulse withstand voltage Uimp (kV) |
6 |
|
|
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 |
3~5In |
|
C type |
5~10In |
|
|
D type |
10~20In |
|
|
Wiring method |
Without limitation |
|
|
Installation method |
TH35-7.5 standard guide rail |
|
|
Pollution capacity |
2 |
|
|
Protection level |
Circuit breaker |
IP20 |
|
Installed in distribution box |
IP40 |
|
M63SD
|
Product Model |
M63SD |
|
|
Rated current (A) |
1. 2. 4. 6. 10. 16. 20. 25. 32. 40. 50. 63 |
|
|
Rated voltage Ue(V) |
AC130/240V(1P, 1P+N, 2P) |
|
|
Rated operating frequency (Hz) |
50/60 |
|
|
Pole No |
1P. 2P. 3P. 4P. 1P+N. 3P+N |
|
|
Mechanical life(times) |
30000(Enterprise standard) |
|
|
Electrical life(times) |
15000(Enterprise standard) |
|
|
Rated short-circuit capacity Icn(A) |
6000 |
|
|
Rated operation short-circuit breaking capacity Ics(A) |
6000 |
|
|
Rated insulation voltage Ui(V) |
500 |
|
|
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 |
3–5In |
|
C type |
5–10In |
|
|
D type |
10–20In |
|
|
Wiring method |
Without limitation |
|
|
Installation method |
TH35-7.5 Standard guiderail |
|
|
Pollution capacity |
2 |
|
|
Protection level |
Circuit breaker |
IP20 |
|
Installed in distribution box |
IP40 |
|
Appearance and Installation Dimension
M63M AC
M63M DC
M63H
M63SD
M63M AC
Technical Parameter：
*1) MCB M63M sectional area of connectable conductor: Min: 1mm²; Max: 35mm²
*2) Breaking capacity: 6kA
*3) Rated current: 1-63A; pole: 1P/2P/3P/4P/1P+N/3P+N; tripping curve:B/C/D;B curve》3ln-5ln/C curve》5ln-10ln/D curve》10ln-20ln
M63M DC
Technical Parameter：
*1) MCB M63M 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%
M63H
Technical Parameter：
*1) MCB M63H sectional area of connectable conductor: Min: 1mm²; Max: 35mm²
*2) Breaking capacity: 15kA
*3) Rated current: 1-63A; pole: 1P/2P/3P/4P/1P+N/3P+N; tripping curve:B/C/D;B curve》3ln-5ln/C curve》5ln-10ln/D curve》10ln-20ln
M63SD
Technical Parameter：
*1) MCB M63SD sectional area of connectable conductor: Min: 1mm²; Max: 35mm²
*2) Breaking capacity: 6kA
*3) Rated current: 1-63A; pole: 1P/2P/3P/4P/1P+N/3P+N; tripping curve:B/C/D;B curve》3ln-5ln/C curve》5ln-10ln/D curve》10ln-20ln
M63H/M63SD Feature
Quick closing mechanism
instantaneous closing, efficient switching, reducing the risk of arcing and welding.
01
Integrated inlet and outlet structure
lower internal resistance, lower energy consumption and more energy conservation.
02
Bimetal bidirectional adjustment
bi-directional precise setting, suitable for multiple working conditions.
03
Super seismic optimization
stable seismic resistance, worry free in complex scenarios.
04
M63M Feature
Quick closing mechanism
instantaneous closing, efficient switching, reducing the risk of arcing and welding.
.Integrated inlet and outlet structure
lower internal resistance, lower energy consumption and more energy conservation.
Bimetal bidirectional adjustment
bi-directional precise setting, suitable for multiple working conditions.
Brand Story
Founded in 2013 and headquartered in Tianjin, JMT has been deeply rooted in the high-end low-voltage electrical equipment sector for three decades. It is a modern enterprise that integrates design, R&D, production, and sales.
The company focuses on core products such as electrical metal components, low-voltage electrical equipment, smart circuit breakers, and charging stations. Committed to independent innovation, JMT holds full intellectual property rights, with several world-first technologies and products that meet international quality standards.
With a global outlook, JMT has established production bases in overseas markets such as India and Hungary. Through "Made in China" and "Intelligent Manufacturing in China," the company provides safe, stable, and energy-efficient electrical solutions to users worldwide, striving to become a globally trusted electrical brand.
Certificate
M63M
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
Hot Tags: 16 a miniature circuit breaker, China 16 a miniature circuit breaker manufacturers, suppliers, factory, 25 Amp Mini Circuit Breaker, DC Circuit Breaker, Line Sequence Protection Circuit Breaker, Miniature Circuit Breaker 3 Pole, Overcurrent Protection Breaker, Phase Loss Protection Circuit Breaker
