Low price for Overhead Workshop Crane - NB1 2Pole 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:




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carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. Our organization has a top quality assurance procedure have already been established for Low price for Overhead Workshop Crane - NB1 2Pole din rail circuit breaker – Simply Buy, The product will supply to all over the world, such as: Ghana , belarus , Montreal , With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
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