| SENTRON, Fuse switch disconnector 3NP4, 3-pole, NH000, 160 A, for assembly and installation on mounting plate, box terminal, can also be snapped onto standard mounting rail 35 mm |
| Model |
| Product brand name | SENTRON |
| Product designation | 3NP4 fuse switch disconnector |
| Design of the product | Can also be snapped onto standard mounting rail 35 mm |
| Design type | For assembly and installation, can also be snapped on 35 mm DIN rail, without high-speed closing |
| Design of the operating mechanism | Cover handle |
| Design of the load switch / Strip form | No |
| General technical data |
| Number of poles | 3 |
| Size of disconnecting link | NH000 |
| Size of fuse link | NH000 |
| Continuous current / at 35 °C / rated value | 160 A |
| power factor cos phi / in utilization category | |
| AC-21 B / at 400 V | 0.95 |
| AC-21 B / at 500 V | 0.95 |
| AC-22 B / at 400 V | 0.65 |
| AC-22 B / at 500 V | 0.65 |
| circuit-breaker / Design | 3NP401 |
| Mounting type | Fixed mounting |
| Fuse system | LV HRC fuse |
| Voltage |
| Type of voltage | AC/DC |
| Insulation voltage / rated value | 690 V |
| Surge voltage resistance / rated value | 6 kV |
| Protection class |
| Protection class IP / on the front | IP00 |
| Dissipation |
| Power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 1.66 W |
| Electricity |
| Current / rated value | 160 A |
| Continuous current | |
| rated value | 160 A |
| at 40 °C / rated value | 160 A |
| at 45 °C / rated value | 157 A |
| at 50 °C / rated value | 154 A |
| at 55 °C / rated value | 146 A |
| at 60 °C / rated value | 139 A |
| at 65 °C / rated value | 131 A |
| Let-through current / I2 t / maximum permissible / in utilization category | |
| AC-21 B / at 400 V | 130 000 A²·s |
| AC-21 B / at 500 V | 80 000 A²·s |
| AC-22 B / at 400 V | 130 000 A²·s |
| AC-22 B / at 500 V | 80 000 A²·s |
| Let-through current / Ic / maximum permissible / in utilization category | |
| AC-21 B / at 400 V | 15 kA |
| AC-21 B / at 500 V | 10 kA |
| AC-22 B / at 400 V | 15 kA |
| AC-22 B / at 500 V | 10 kA |
| Main circuit |
| Operating voltage | |
| at AC / at 50/60 Hz / rated value | 690 V |
| at AC / rated value / maximum | 690 V |
| at DC / rated value | 220 V |
| Rated current Ie / maximum / in utilization category | |
| AC-21 B / at 400 V | 160 A |
| AC-21 B / at 500 V | 160 A |
| AC-22 B / at 400 V | 160 A |
| AC-22 B / at 500 V | 100 A |
| Suitability |
| Suitability for use | system protection |
| Main switch | No |
| switch disconnector | Yes |
| EMERGENCY OFF switch | No |
| safety switch | Yes |
| Product function |
| Product function / fuse monitoring | No |
| Short circuit |
| Maximum short-circuit current breaking capacity (Icu) / at 400 V / rated value | 0.8 kA |
| Conditional rated short-circuit current / in utilization category | |
| AC-21 B / at 400 V | 50 kA |
| AC-21 B / at 500 V | 50 kA |
| AC-22 B / at 400 V | 50 kA |
| AC-22 B / at 500 V | 50 kA |
| Connections |
| Type of electrical connection | 1.5 - 50 mm² |
| for main current circuit | box terminal |
| Mechanical Design |
| Height | 143 mm |
| Width | 89 mm |
| Depth | 73.5 mm |
| Number of width units | 1 |
| Mounting type | Mounting plate |
| Mounting type | |
| floor mounting | Yes |
| front mounting | No |
| rail mounting | No |
| Net weight | 504 g |
| Environmental conditions |
| Degree of pollution | 3 |
| Installation altitude / at height above sea level / maximum | 2 000 m |
| Ambient temperature | |
| during operation / minimum | -25 °C |
| during operation / maximum | 55 °C |
| during storage / minimum | -50 °C |
| during storage / maximum | 80 °C |
