ARS 1250 pro
ARS 1250 pro
Vertical fuse switch disconnector
- Fibre glass extra strenghtened, self extinguishing
- Thermoplastics of V0 flammability class
- Double clearance between open contacts
- Arc chambers with deionization plates over every contact
- Reversibility - top/bottom cable terminal connection
Technical data
Versions
Downloads
| Parameter | ARS 1250 pro | ||
|---|---|---|---|
| Rated thermal current Ith = In | A | 1250 | |
| Rated voltage Un | V | 400 | |
| Utilization category | - | AC-21B | |
| Rated switching voltage Ue | V | 400 | |
| Rated switching current Ie | A | 1250 | |
| Rated short circuit making current | kA | 100 | |
| Rated short circuit withstand current | kA | 100 | |
| Rated insulation voltage Ui | V | 1000 | |
| Rated impulse withstand voltage Uimp | kV | 12 | |
| Rated frequency | Hz | 50-60 | |
| Mechanical durability | Number of cycles |
600 | |
| Electrical durability | 100 | ||
| IP degree of protection | - | 30 | |
| Fuse links size | - | 3 | |
For installation on to 185 mm busbar system, fuse disconnector’s width – 200 mm
one pole switching - each phase independently
- ARS 1250-1-3M pro mechanically and electrically coupled two ARS 3 pro fuse switch disconnectors, cable terminals: screw terminals with three pressed screw M12/pole
- ARS 1250-1-4M pro mechanically and electrically coupled two ARS 3 pro fuse switch disconnectors, cable terminals: screw terminals with four pressed screw M12/pole
For installation on to 185 mm busbar system, fuse disconnector’s width – 200 mm
three pole switching - all phases simultaneously
- ARS 1250-6-3M pro mechanically and electrically coupled two ARS 3 pro fuse switch disconnectors, cable terminals: screw terminals with three pressed screw M12/pole
- ARS 1250-6-4M pro mechanically and electrically coupled two ARS 3 pro fuse switch disconnectors, cable terminals: screw terminals with four pressed screw M12/pole
