| SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH3, 630 A, for Rittal busbar system 60 mm, flat terminal, Cover level 32/70 mm |
| Model |
| product brand name | SENTRON |
| product designation | 3NP1 fuse switch disconnector |
| design of the product | cover level 32/70 mm |
| busbar design | busbar thickness 5 or 10 mm |
| design of the safety monitoring | Without |
| design of the actuating element | Cover handle |
| design of the load switch / strip form | No |
| type of the driving mechanism / motor drive | No |
| General technical data |
| number of poles | 3 |
| type of device | For Rittal 60 mm busbar system |
| size of disconnecting link | 3 and 2 |
| size of fuse link | NH2, NH3 |
| let-through current / with closed switch / maximum permissible | 60 kA |
| mechanical service life (switching cycles) / typical | 1 000 |
| power factor | |
| ● at AC-22 B | 0.65 |
| ● at AC-23 B | 0.35 |
| ● with capacitive load | -0.25 |
| fuse system | LV HRC fuse |
| degree of pollution | 3 |
| Voltage |
| insulation voltage | |
| ● rated value | 690 V |
| ● with degree of pollution 3 / at AC / rated value | 690 V |
| ● with degree of pollution 2 / at AC / rated value | 1 000 V |
| power factor / at AC-21 B | 0.95 |
| surge voltage resistance / rated value | 8 kV |
| operating voltage | |
| ● at AC / rated value / maximum | 690 V |
| ● at DC / rated value | 440 V |
| ● at DC / rated value / maximum | 440 V |
| Protection class |
| protection class IP | |
| ● with closed switch / with cover or cable lug cover | IP40 |
| ● with closed switch / without cover or cable lug cover | IP30 |
| ● open | IP20 |
| ● on the front | IP40 |
| Dissipation |
| power loss [W] | |
| ● with conventional rated thermal current / without fuse / per pole | 30 W |
| ● with conventional rated thermal current / without fuse / per device | 90 W |
| ● for rated value of the current / at AC / in hot operating state / per pole | 78 W |
| ● of the fuse / per fuse / maximum | 48 W |
| Current |
| operational current | |
| ● at 35 °C / rated value | 630 A |
| ● at 40 °C / rated value | 610 A |
| ● at 45 °C / rated value | 575 A |
| ● at 50 °C / rated value | 555 A |
| ● at 55 °C / rated value | 530 A |
| ● at AC / rated value | 630 A |
| ● at AC-23 B / at 690 V / rated value | 200 A |
| ● at AC-23 B / at 500 V / rated value | 500 A |
| ● at AC-23 B / at 400 V / rated value | 630 A |
| ● at AC-23 B / at 240 V / rated value | 630 A |
| ● at AC-22 B / at 690 V / rated value | 500 A |
| ● at AC-22 B / at 500 V / rated value | 630 A |
| ● at AC-22 B / at 400 V / rated value | 630 A |
| ● at AC-22 B / at 240 V / rated value | 630 A |
| ● at AC-21 B / at 690 V / rated value | 630 A |
| ● at AC-21 B / at 500 V / rated value | 630 A |
| ● at AC-21 B / at 400 V / rated value | 630 A |
| ● at AC-21 B / at 240 V / rated value | 630 A |
| ● at DC-23 B / at 440 V / rated value | 250 A |
| ● at DC-23 B / at 240 V / rated value | 400 A |
| ● at DC-23 B / at 120 V / rated value | 400 A |
| ● at DC-22 B / at 440 V / rated value | 500 A |
| ● at DC-22 B / at 240 V / rated value | 630 A |
| ● at DC-22 B / at 120 V / rated value | 630 A |
| ● at DC-21 B / at 440 V / rated value | 630 A |
| ● at DC-21 B / at 240 V / rated value | 630 A |
| ● at DC-21 B / at 120 V / rated value | 630 A |
| let-through current / with high-speed activation / maximum permissible | 50 kA |
| Main circuit |
| operational current | |
| ● rated value | 630 A |
| ● with capacitive load / at 400 V / rated value | 72 A |
| ● with capacitive load / at 500 V / rated value | 55 A |
| Auxiliary circuit |
| number of CO contacts / for auxiliary contacts | 0 |
| number of NC contacts / for auxiliary contacts | 0 |
| number of NO contacts / for auxiliary contacts | 0 |
| Suitability |
| suitability for use | |
| ● main switch | No |
| ● switch disconnector | Yes |
| ● EMERGENCY OFF switch | No |
| ● safety switch | Yes |
| ● maintenance/repair switch | Yes |
| Product details |
| product feature / interlock | Yes |
| |
| ● product component / trip indicator | No |
| ● product function / phase failure monitoring | No |
| ● product component / undervoltage release | No |
| ● product component / undervoltage release with leading contact | No |
| product feature / sealable | Yes |
| product extension / auxiliary switch | Yes |
| product extension / optional | |
| ● locking capability | Yes |
| ● motor drive | No |
| ● phase failure monitoring | Yes |
| ● fuse monitoring | Yes |
| ● voltage trigger | No |
| ● overvoltage protection monitoring | Yes |
| Product function |
| product function | |
| ● fuse monitoring | No |
| ● overvoltage protection monitoring | No |
| Connections |
| arrangement of electrical connectors / for main current circuit | other |
| connectable conductor cross-section / for main contacts | |
| ● solid or stranded / minimum | 120 mm² |
| ● solid or stranded / maximum | 300 mm² |
| ● stranded / minimum | 120 mm² |
| ● stranded / maximum | 300 mm² |
| tightening torque / with screw-type terminals | |
| ● minimum | 10 N·m |
| ● maximum | 12 N·m |
| type of connectable conductor cross-sections / of the laminated conductors / maximum | 40 x 18 mm |
| type of connection technology | Flat terminal |
| type of electrical connection / for main current circuit | busbar connection |
| Mechanical Design |
| height | 306 mm |
| width | 249.4 mm |
| depth | 161.5 mm |
| fastening method | busbar |
| fastening method | |
| ● floor mounting | No |
| ● 4-hole front mounting | No |
| ● front mounting with central attachment | No |
| ● rail mounting | Yes |
| mounting position | horizontal/vertical |
| busbar center-to-center spacing | 60 mm |
| net weight | 6.84 kg |
| Environmental conditions |
| ambient temperature / during operation | |
| ● minimum | -25 °C |
| ● maximum | 55 °C |
| ambient temperature / during storage | |
| ● minimum | -50 °C |
| ● maximum | 80 °C |
Downloads and manuals |
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| Further information |
Information- and Downloadcenter (Catalogs, Brochures,…) |
Industry Mall (Online ordering system) |
Service&Support (Manuals, Certificates, Characteristics, FAQs,...) |
Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, ...) |
CAx-Online-Generator |
Tender specifications |
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Date 5/16/2022 | |