Discountable price G Series Industrial Circuit Breaker - NB1-63 Four Pole din rail circuit breaker – Simply Buy Detail:
DC MCB1(Mini circuit breaker)supplementary protectors are designed to provide over current protection within appliances or electrical equipment, where a branch circuit protection is already provided or not required. Devices are designed for direct current (DC) control circuit applications.It’s din rail mounted type and Current form 1A to 63A and voltage 110VDC ,125VDC to 250VDC 440V DC .
Features:
• B C trip curves models available for general
use and DC applications
• D trip curve models available for high starting
current applications such as motor starting
• Current ratings up to 63A
• Maximum 480VAC (multi-pole), 277VAC (single-pole)
• 5000 A Interrupt Rating
• DIN rail mount chassis
• Captive terminal screws won’t fall out
• Mechanical life: 20000 times.
• Electric life: 4000 times
• Captive terminal screws won’t fall out
Tripping curves
B curve
When the short-circuit currents are weak (generators, long cables).
Power circuit:
ratings: 1 to 63 A set at 30 °C
tripping curve: the magnetic trip units operate between 3 and 5 In.
C curve
Cables feeding conventional loads.
Power circuit:
ratings: 0.5 to 63 A set at 30 °C
tripping curve: the magnetic trip units operate between 5 and 10 In.
D curve
Loads with high inrush currents (motors, transformers).
Power circuit:
ratings: 0.5 to 63 A set at 40 °C
tripping curve: the magnetic trip units operate between 10 and 14 In.
| Max Voltage | Rated Amps | 1 Pole | 2 Pole | 3 Pole | 4 Pole |
| B Curve 5KA Single-pole: 277VAC 110VDC Multi-pole: 480VAC 125VDC |
1 | MCB1-B1-1P | MCB1-B1-2P | MCB1-B1-3P | MCB1-B1-4P |
| 2 | MCB1-B2-1P | MCB1-B2-2P | MCB1-B2-3P | MCB1-B2-4P | |
| 3 | MCB1-B3-1P | MCB1-B3-2P | MCB1-B3-3P | MCB1-B3-4P | |
| 4 | MCB1-B4-1P | MCB1-B4-2P | MCB1-B4-3P | MCB1-B4-4P | |
| 6 | MCB1-B6-1P | MCB1-B6-2P | MCB1-B6-3P | MCB1-B6-4P | |
| 10 | MCB1-B10-1P | MCB1-B10-2P | MCB1-B10-3P | MCB1-B10-4P | |
| 16 | MCB1-B16-1P | MCB1-B16-2P | MCB1-B16-3P | MCB1-B16-4P | |
| 20 | MCB1-B20-1P | MCB1-B20-2P | MCB1-B20-3P | MCB1-B20-4P | |
| 25 | MCB1-B25-1P | MCB1-B25-2P | MCB1-B25-3P | MCB1-B25-4P | |
| 32 | MCB1-B32-1P | MCB1-B32-2P | MCB1-B32-3P | MCB1-B32-4P | |
| 40 | MCB1-B40-1P | MCB1-B40-2P | MCB1-B40-3P | MCB1-B40-4P | |
| 50 | MCB1-B50-1P | MCB1-B50-2P | MCB1-B50-3P | MCB1-B50-4P | |
| 63 | MCB1-B63-1P | MCB1-B63-2P | MCB1-B63-3P | MCB1-B63-4P | |
| Max Voltage | Rated Amps | 1 Pole | 2 Pole | 3 Pole | 4 Pole |
| C Curve 5KA Single-pole: 277VAC 110VDC Multi-pole: 480VAC 125VDC |
1 | MCB1-C1-1P | MCB1-C1-2P | MCB1-C1-3P | MCB1-C1-4P |
| 2 | MCB1-C2-1P | MCB1-C2-2P | MCB1-C2-3P | MCB1-C2-4P | |
| 3 | MCB1-C3-1P | MCB1-C3-2P | MCB1-C3-3P | MCB1-C3-4P | |
| 4 | MCB1-C4-1P | MCB1-C4-2P | MCB1-C4-3P | MCB1-C4-4P | |
| 6 | MCB1-C6-1P | MCB1-C6-2P | MCB1-C6-3P | MCB1-C6-4P | |
| 10 | MCB1-C10-1P | MCB1-C10-2P | MCB1-C10-3P | MCB1-C10-4P | |
| 16 | MCB1-C16-1P | MCB1-C16-2P | MCB1-C16-3P | MCB1-C16-4P | |
| 20 | MCB1-C20-1P | MCB1-C20-2P | MCB1-C20-3P | MCB1-C20-4P | |
| 25 | MCB1-C25-1P | MCB1-C25-2P | MCB1-C25-3P | MCB1-C25-4P | |
| 32 | MCB1-C32-1P | MCB1-C32-2P | MCB1-C32-3P | MCB1-C32-4P | |
| 40 | MCB1-C40-1P | MCB1-C40-2P | MCB1-C40-3P | MCB1-C40-4P | |
| 50 | MCB1-C50-1P | MCB1-C50-2P | MCB1-C50-3P | MCB1-C50-4P | |
| 63 | MCB1-C63-1P | MCB1-C63-2P | MCB1-C63-3P | MCB1-C63-4P | |
| Max Voltage | Rated Amps | 1 Pole | 2 Pole | 3 Pole | 4 Pole |
| D Curve 5KA Single-pole: 277VAC 110VDC Multi-pole: 480VAC 125VDC |
1 | MCB1-D1-1P | MCB1-D1-2P | MCB1-D1-3P | MCB1-D1-4P |
| 2 | MCB1-D2-1P | MCB1-D2-2P | MCB1-D2-3P | MCB1-D2-4P | |
| 3 | MCB1-D3-1P | MCB1-D3-2P | MCB1-D3-3P | MCB1-D3-4P | |
| 4 | MCB1-D4-1P | MCB1-D4-2P | MCB1-D4-3P | MCB1-D4-4P | |
| 6 | MCB1-D6-1P | MCB1-D6-2P | MCB1-D6-3P | MCB1-D6-4P | |
| 10 | MCB1-D10-1P | MCB1-D10-2P | MCB1-D10-3P | MCB1-D10-4P | |
| 16 | MCB1-D16-1P | MCB1-D16-2P | MCB1-D16-3P | MCB1-D16-4P | |
| 20 | MCB1-D20-1P | MCB1-D20-2P | MCB1-D20-3P | MCB1-D20-4P | |
| 25 | MCB1-D25-1P | MCB1-D25-2P | MCB1-D25-3P | MCB1-D25-4P | |
| 32 | MCB1-D32-1P | MCB1-D32-2P | MCB1-D32-3P | MCB1-D32-4P | |
| 40 | MCB1-D40-1P | MCB1-D40-2P | MCB1-D40-3P | MCB1-D40-4P | |
| 50 | MCB1-D50-1P | MCB1-D50-2P | MCB1-D50-3P | MCB1-D50-4P | |
| 63 | MCB1-D63-1P | MCB1-D63-2P | MCB1-D63-3P | MCB1-D63-4P |
Product detail pictures:





Related Product Guide:
Looking Mains Voltage In The Eye And Surviving | 25 Amp Circuit Breaker
What Most Techs Get Wrong About Wire Sizing | 2017-09-18 | Circuit Breaker Parts
Our rewards are reduce selling prices,dynamic revenue team,specialized QC,sturdy factories,superior quality services for Discountable price G Series Industrial Circuit Breaker - NB1-63 Four Pole din rail circuit breaker – Simply Buy, The product will supply to all over the world, such as: Swaziland , Serbia , Guatemala , Qualified R&D engineer will be there for your consultation service and we will try our best to meet your requirements. So please feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we will surely give you the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we will make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we are here to welcome your inquiries for any of our goods and service.
Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.







