| PLUG-IN SWITCH DISCONNECT STRIP FOR NH FUSES 3-POLE, SIZE 2, I=400A, U=690V WITH SINGLE-BREAK WITH CABLE TERMINAL CONNECTION WITH ELECTRON. FUSE MONITORING |
| Model |
| Product designation | Switch Disconnector with Fuses 3NJ61 |
| version | With single disconnection and fuse monitoring |
| Design type | plug-in to busbars with 185mm center-line spacing |
| Type of switching contact / double breaking switching contact | Yes |
| Design of the load switch / Strip form | Yes |
| Design of the switching contact | mechanical |
| General technical data |
| Number of poles | 3 |
| Field of application | LINE PROTECTION |
| Size of disconnecting link | 2 |
| Size of fuse link | 2 |
| power factor cos phi / in utilization category | |
| AC-21 B / at 400 V | 0.95 |
| AC-22 B / at 400 V | 0.65 |
| AC-22 B / at 500 V | 0.65 |
| circuit-breaker / Design | 3NJ614 |
| Reference code / acc. to DIN 40719 extended according to IEC 204-2 / acc. to IEC 750 | Q |
| Fuse system | LV HRC fuse |
| Voltage |
| Rated operational voltage Ue / max. | 690 V |
| Rated insulation voltage Ui | 1 000 V |
| Surge voltage resistance / rated value | 8 000 V |
| Protection class |
| Protection class IP | IP41 |
| Electricity |
| rated current In | |
| max. | 400 A |
| at 35 Cel | 400 A |
| at 40 Cel | 380 A |
| at 45 Cel | 360 A |
| at 50 Cel | 340 A |
| Continuous current / rated value | 400 A |
| Let-through current / I2 t / maximum permissible / in utilization category | |
| AC-21 B / at 400 V | 2 150 000 A²·s |
| AC-21 B / at 500 V | 2 150 000 A²·s |
| AC-22 B / at 400 V | 2 150 000 A²·s |
| AC-22 B / at 500 V | 2 150 000 A²·s |
| Let-through current / Ic / maximum permissible / in utilization category | |
| AC-21 B / at 400 V | 32 kA |
| AC-21 B / at 500 V | 32 kA |
| AC-22 B / at 400 V | 32 kA |
| AC-22 B / at 500 V | 32 kA |
| Main circuit |
| Operating voltage | |
| at AC / at 50/60 Hz / rated value | 690 V |
| Rated current Ie / maximum / in utilization category | |
| AC-21 B / at 400 V | 400 A |
| AC-21 B / at 500 V | 400 A |
| AC-22 B / at 400 V | 400 A |
| AC-22 B / at 500 V | 400 A |
| Short circuit |
| Maximum short-circuit current breaking capacity (Icu) / at 400 V / rated value | 50 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 connection, main circuit | Stud terminal, 2xM12 |
| Type of electrical connection / for main current circuit | stud terminals |
| Mechanical Design |
| Height | 308 mm |
| Width | 590 mm |
| Depth | 198 mm |
| Type of mounting | plug-in version |
| Mounting type | clip-on |
| Busbar center-to-center spacing | 185 mm |
| Busbar center-to-center spacing | |
| 40 mm | No |
| 50 mm | No |
| 60 mm | No |
| 100 mm | No |
| 185 mm | Yes |
| Environmental conditions |
| Installation altitude / at height above sea level / maximum | 2 000 m |
| Ambient temperature | |
| during operation / minimum | -25 °C |
| during operation / maximum | 55 °C |
