Features
- Used in DC system with no earthing, one pole earthed, or neutral point earthed
- Maximum carry 1250A at several breakers operated in parallel.
- Arcing quench system integrates VJC and lSTAC technologies
- Operating full load at 50℃
- Breaker can be mounted vertically, or in horizon
- The breaker has isolation function,
- lEC60947-2 and GB14048.2 standards
Applications
- In medium and low voltage power system
- Protect circuits from overload, short circuit and other faults
- In industrial control system
- Protect motors, transformers and other equipment
- Used in household, commercial and industrial building electrical
- Used to protect communication equipment, communication lines, etc.
- Electrical system of new energy equipment such as solar energy and wind energy
- Guarantee the safe operation of electrical equipment
Specification
| Parameter | Value |
| Shell frame grade current | 250 |
| Ripping device rated current | 100、125、140、160、180、200、225、250 |
| Number of poles | 4 |
| Rated insulation voltage | 1000V |
| Rated operational voltage | DC 1000V |
| Rated impulse withstand voltage | 8000V |
| Rated ultimate short-circuit breaking capacity | 40 |
| Rated operational short-circuit breaking capacity | 25 |
| Mechanical life | 10000 |
| Electrical life | 5000 |
| Flashover distance | ≯50 |
| Dimension | 142X165X103mm |
| Overload protection | 250-630 A |
| Protection function | 100-250 A
250-360 A |
| Action tolerance | ±20% |
| Work environment | -40℃~+70℃ |
