L.V. HRC Strip Type Fuse Switch
| Electrical Characteristics | DNHT 00 | DNHT 1 | DNHT 2 | DNHT 3 | ||
|---|---|---|---|---|---|---|
| Rated operational voltage | Ue | V | AC500 | AC500 | AC500 | AC500 |
| Rated operational current | le | A | 160 | 250 | 400 | 630 |
| Conventional free air thermal current with fuses | Ith | A | 160 | 250 | 400 | 630 |
| Conventional free air thermal current with links | Ith | A | 210 | 325 | 520 | 1000 |
| Rated frequency | - | Hz | 50 | 50 | 50 | 50 |
| Rated insulation voltage | - | - | 800 | 800 | 800 | 800 |
| Rated Conditional short - circuit current | - | kAeff | 50 | 50 | 50 | 50 |
| Utilization category | - | A | AC-22B | AC-22B | AC-22B | AC-22B |
| Rated making capacity | - | A | 480 | 750 | 1200 | 1890 |
| Rated breaking capacity | Pv | kV | 480 | 750 | 1200 | 1890 |
| Operating cycles withcurrent | Ui | V | 200 | 200 | 200 | 200 |
| Total power loss at Ith | lcv | - | 20 | 23 | 38 | 75 |
| Rated impulse withstand voltage(without fuse ) | U¡mp | W | 6 | 6 | 6 | 6 |
| Fuse | DNHT 00 | DNHT 1 | DNHT 2 | DNHT 3 | ||
|---|---|---|---|---|---|---|
| Size to DIN 43620 | - | - | 0 | 1 | 2 | 3 |
| Max. rated current (gL/gG) | IN | A | 160 | 250 | 400 | 630 |
| Max. permissible power lose per fuse - link | Pv | W | 12 | 23 | 34 | 48 |
| Mechanical Charecteristic | DNHT 00 | DNHT 1 | DNHT 2 | DNHT 3 | ||
|---|---|---|---|---|---|---|
| Operating cycles without current | - | - | 1400 | 1400 | 800 | 800 |
| Weight | - | kg | 2,15 | 5 | 6,1 | 6,8 |
| Busbar distance | mm | - | 185 | 185 | 185 | 185 |
| Cable Conneections | DNHT 00 | DNHT 1 | DNHT 2 | DNHT 3 | |||
|---|---|---|---|---|---|---|---|
| Flat Terminal | Bolt diameter | - | - | M8 | M10 | M10 | M12 |
| Cable lug( DIN 46235) | - | mm | 10 to 70 | 2x240 | 2x240 | 2x240 | |
| Flat bar | - | Nm | 20x10 | 2x40x5 | 2x40x5 | 2x40x10 | |
| Tightening torque | Ma | mm2 | 14 | 32 | 32 | 32 | |
| Terminal | VK | VK 400 | VK 630 | ||||
| Clamping cross - section | - | mm2 | 16 to 70 | 70 -185se | 70 -185se | 150 -300se | |
| Tightening torque | Ma | Nm | 4 | 22 | 22 | 22 | |
| Terminal | K | RK 250 | RK 400 | RK 630 | |||
| Clamping cross - section | - | mm2 | 2x6-35 | 50-150se | 50 -185 se | 2x50 -185se | |
| Tightening torque | Ma | Nm | 8 | 22 | 22 | 22 | |
| Terminal | PR | DRK 250 | DRK400 | DRK 630 | |||
| Tightening torque | - | mm² | 10 to 95 | 2x50 -185se | 2x50 -185se | 2x50 -185se | |
| Clamping cross -section | Ma | Nm | 4 | 22 | 22 | 22 | |
| Type of Protec. | DNHT 00 | DNHT 1 | DNHT 2 | DNHT 3 | ||
|---|---|---|---|---|---|---|
| Front side Operational State | - | - | IP 30 | IP 30 | IP 30 | IP 30 |
| Device fitted Front cover open | - | - | IP 10 | IP 10 | IP 10 | IP 10 |
| Oper. Conditions | DNHT 00 | DNHT 1 | DNHT 2 | DNHT 3 | ||
|---|---|---|---|---|---|---|
| Ambient temperature | Tu | °C | -25 to +55 | |||
| Rated operating mode | - | - | Continuous operations | |||
| Actuation | - | - | Dependent Manuel operation | |||
| Mounting position | - | - | Vertical and horizontal | |||
| Altitude | - | m | Up to 2000 | |||
| Pollution degree | - | - | 3 | |||
| Over voltage category | - | - | III | III | III | III |