| Manufacturer part number (MPN) | NS3-400-NA |
| EAN / GTIN | 4015081025473 |
| Sales unit | pcs |
| Eaton catalogue number | 102687 |
| Depth | 159 mm |
| Height | 275 mm |
| Width | 140 mm |
| Weight | 6.34 kg |
| Compliances | CE Marked; RoHS conform |
| Certifications | CSA Std. C22.2 No. 5; UL 489; IEC 60947-2; Specially designed for North America; CSA-C22.2 No. 5-09; UL (Category Control Number WJAZ); UL (File No. E148671); UL listed; CSA certified; CSA (File No. 22086); IEC; CE marking; UL/CSA; CSA (Class No. 4652-06) |
| Functions | Disconnectors/main switches |
| Amperage Rating | 400 A |
| Application | Branch circuits, feeder circuits |
| Circuit breaker frame type | N3 |
| Connection | Front screw |
| Features | Motor drive optional; Protection unit |
| Number of poles | Three-pole |
| Special features | IEC/EN 60947-2: circuit breakers without overcurrent (CBI-X) with main switch characteristics and isolating characteristics to IEC/EN 60204. Rated current = rated uninterrupted current: 400 A Terminal capacity hint: Up to 240 mm² can be connected depending on the cable manufacturer. |
| Type | Switch-disconnector |
| Ambient operating temperature - max | 70 °C |
| Ambient storage temperature - max | 70 °C |
| Ambient operating temperature - min | -25 °C |
| Equipment heat dissipation, current-dependent | 48 W |
| Rated operational current for specified heat dissipation (In) | 400 A |
| Current rating (Iu) (UL 489 csa 22.2 no. 5.1) | 600 A |
| Direction of incoming supply | As required |
| Electrical connection type of main circuit | Screw connection |
| Handle type | Rocker lever |
| Instantaneous current setting (Ii) - max | 6600 A |
| Instantaneous current setting (Ii) - min | 6600 A |
| Lifespan, electrical | 5000 operations at 400 V AC-1; 2000 operations at 690 V AC-3; 2000 operations at 400 V AC-3; 3000 operations at 415 V AC-1; 2000 operations at 415 V AC-3; 3000 operations at 690 V AC-1 |
| Number of operations per hour - max | 60 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Rated current (Iu) | 600 A |
| Rated impulse withstand voltage (Uimp) at auxiliary contacts | 6000 V |
| Rated impulse withstand voltage (Uimp) at main contacts | 8000 V |
| Rated insulation voltage (Ui) | 1000 V AC |
| Rated operating voltage Ue (UL) - max | 600 V |
| Rated short-circuit making capacity Icm at 240 V |
| 50/60 Hz | 330 kA |
| Rated short-circuit making capacity Icm at 400/415 V |
| Rated short-circuit making capacity Icm at 440 V |
| 50/60 Hz | 286 kA |
| Rated short-circuit making capacity Icm at 525 V |
| 50/60 Hz | 143 kA |
| Rated short-circuit making capacity Icm at 690 V |
| 50/60 Hz | 74 kA |
| Short-circuit release non-delayed setting - max | 6600 A |
| Short-circuit release non-delayed setting - min | 6600 A |
| Short-circuit total breaktime | < 10 ms |
| Voltage rating | 690 V - 690 V |
| Degree of protection | In the area of the HMI devices: IP20 (basic protection type); IP20 |
| Degree of protection (IP), front side | IP40 (with insulating surround); IP66 (with door coupling rotary handle) |
| Degree of protection (terminations) | IP10 (tunnel terminal); IP00 (terminations, phase insulator and band terminal) |
| Lifespan, mechanical | 15000 operations |
| Mounting Method | Fixed; Built-in device fixed built-in technique; DIN rail (top hat rail) mounting optional |
| Number of auxiliary contacts (change-over contacts) | 0 |
| Number of auxiliary contacts (normally closed contacts) | 0 |
| Number of auxiliary contacts (normally open contacts) | 0 |
| Position of connection for main current circuit | Front side |
| Switch positions | I, +, 0 |
| Optional terminals | Box terminal. Connection on rear. Tunnel terminal |
| Standard terminals | Screw terminal |
| Terminal capacity (aluminum solid conductor/cable) | 10 mm² - 16 mm² (2x) direct at switch rear-side connection; 16 mm² (1x) direct at switch rear-side connection; 16 mm² (1x) at tunnel terminal |
| Terminal capacity (copper solid conductor/cable) | 16 mm² (2x) direct at switch rear-side connection; 300 mm² (2x) at rear-side width extension; 16 mm² (1x) direct at switch rear-side connection; 16 mm² (2x) at box terminal; NA: 500 AWG/kcmil (2x) at rear-side width extension; NA: 6 AWG (1x) at tunnel terminal |
| Document Name | Description Action |
| Rated permanent current Iu | 400 A |
| With integrated under voltage release | No |
| Rated voltage | 690 V |
| Motor drive integrated | No |
| Type of electrical connection of main circuit | Screw connection |
| Type of control element | Rocker lever |
| With switched-off indicator | No |
| Rated short-circuit breaking capacity Icu at 400 V, 50 Hz | 150 kA |
| Adjustment range undelayed short-circuit release | 6600 A |
| Suitable for DIN rail (top hat rail) mounting | No |
| Integrated earth fault protection | No |
| Motor drive optional | Yes |
| Device construction | Built-in device fixed built-in technique |
| DIN rail (top hat rail) mounting optional | Yes |
| Complete device with protection unit | Yes |
| Country of origin | Romania |
