SKU: Eaton-21996
NH fuse switch-disconnector, 400A, 500V/400A, 690V/315A, size 2
Safety switch-disconnector, rated operational current 400A, max. fuse-link 500V/400A, max. fuse-link 690V/315A, size 2, connection top or bottom
| Number of poles | For fitting on mounting plate |
| Rated operational current [Ie] | 3 pole |
| 500 V | 400 A |
| 690 V | |
| Frame size | 400 A |
| For use with | 315 A |
| Standards | NH2 |
| Climatic proofing | In conjunction with adapter plates: A-GSTA... |
| Ambient temperature | |
| Altitude | IEC/EN 61131-3 |
| Mounting position | Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30 |
| Overvoltage category/pollution degree | -20 - +55 °C |
| Degree of protection, from the front >Operational state |
Max. 2000 m |
| Degree of protection, from the front >Front cover open |
Vertical or horizontal |
| Direction of incoming supply | III/3 |
| Lifespan, mechanical [Operations] | IP20 |
| Weight | IP10 |
| Rated operational voltage [Ue ] | as required |
| Rated operational voltage [Ue] | 800 |
| Rated operational current [Ie] | 3.3 kg |
| Rated frequency [f] | |
| Rated conditional short-circuit current AC [Iq] | 500 V AC |
| Rated conditional short-circuit current, DC [Iq] | 220 V DC |
| Utilization category AC22B >Rated making capacity |
400 A |
| Utilization category AC22B >Rated breaking capacity |
40 - 60 Hz |
| Utilization category DC21B >Rated making capacity |
50 kAeff |
| Utilization category DC21B >Rated breaking capacity |
25 kArms |
| Lifespan, electrical [Operations] | 1200 A |
| Lifespan, mechanical [Operations] | 1200 A |
| Heat dissipation at Ith AC, without NH-SE | 475 A |
| Heat dissipation at Ith DC, without NH-SE | 475 A |
| Rated insulation voltage [Ui] | 200 |
| Rated impulse withstand voltage [Uimp] | 800 |
| Rated insulation voltage [Ui ] | 27 W |
| Frame size | 18 W |
| Max. rated current, gL/gG | 750 V AC |
| Max. admissible heat dissipation NH-SE [Pv] | 8 kV |
| Flange connection >Main cable [d] |
750 V |
| Flange connection >Cable lug |
|
| Flange connection >Flat busbar [max.] |
NH2 |
| Flange connection >Tightening torque |
400 A |
| Box terminal >Stranded copper |
34 W |
| Box terminal >Copper braid [Lamellenzahl x Breite x Dicke ] |
|
| Box terminal >Tightening torque |
M10 mm |
| Clamp-type terminal >Stranded aluminium/copper |
1 x 25 - 240 mm2 |
| Clamp-type terminal >Tightening torque |
30 x 10 mm |
| Double clamp-type terminal >Stranded aluminium/copper |
30 - 35 Nm |
| Double clamp-type terminal >Tightening torque |
25 … 240 mm2 |
| Version as main switch | 10 x 16 x 0.8 mm |
| Version as safety switch | 23 Nm |
| Max. rated operation voltage Ue AC | 120 … 240 mm2 |
| Rated permanent current Iu | 11 Nm |
| Rated operation power at AC-23, 400 V | 2 x (120 - 150) mm2 |
| Conditioned rated short-circuit current Iq | 11 Nm |
| Rated short-time withstand current lcw | |
| Suitable for fuses | Fuse-link |
| Number of poles | |
| With error protection | |
| Type of electrical connection of main circuit | No |
| Cable entry | No |
| Equipped with connectors | 690 V |
| Suitable for ground mounting | 400 A |
| Suitable for front mounting 4-hole | 0 kW |
| Suitable for busbar mounting | 80 kA |
| Type of control element | 0 kA |
| Position control element | NH2 |
| Motor drive optional | 3 |
| Motor drive integrated | No |
| Version as emergency stop installation | Cable clamp |
| Degree of protection (IP), front side |
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