APR 160 and APR 400 disconnector
They are used to protect low voltage lines. The device is both a disconnector and a fuse. The design allows the disconnector to be operated from the ground thanks to the operating rod.
| Model | APR160-X | APR400-X |
|---|---|---|
| Rated switching voltage [V] | 415 | 500 |
| Number of poles | 1, 3, 4 | 1, 3, 4 |
| Nominal frequency | 50 Hz | 50 Hz |
| Rated insulation voltage | 1000V | 1000V |
| Rated impulse voltage | 6 kV | 12 kV |
| Rated continuous current [A] | 160A | 400A |
| Nominal current for armature | 160A | 400A |
| Rated switching current | 160A | 400A |
| Conventional thermal current | 160A | 400A |
| Conventional short circuit current | 50kA | 100kA |
| Rated work | continuous | continuous |
| Category of use | AC22B | AC22B |
| Fuse link size | NH00 | NH1 NH2 |
| Degree of contamination | PD3 | PD3 |
| Degree of protection | IP23 | IP23 |
| Connected cross-sections Al/Cu wires | 2 x (16-150mm²) | 2 x (50-240mm²) |
| Connection durability | 200 link | 200 joints |
| Mechanical durability | 1600 cycles | 1600 cycles |
X – number of poles (1, 3 or 4).
The disconnectors comply with the standards: PN-EN 60947-3 and PN-EN 60947-1
Fuse switches