Datasheet
| Range of product | Compact NS100…630 |
|---|---|
| Product or component type | Circuit breaker |
| Device short name | Compact NS400N |
| Circuit breaker name | Compact NS400N |
| Device application | Distribution |
| Poles description | 3P |
| Protected poles description | 3t |
| Network type | AC |
| Network frequency | 50/60 Hz |
| [In] rated current | 370 A at 65 °C 400 A at 40 °C |
| [Ui] rated insulation voltage | 1250 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-2 |
| [Ue] rated operational voltage | 1150 V AC 50/60 Hz conforming to IEC 60947-2 |
| Breaking capacity code | N |
| Breaking capacity | 10 kA Icu at 1000 V conforming to IEC 60947-2 |
| [Ics] rated service breaking capacity | 10 kA at 1000 V conforming to IEC 60947-2 |
| Suitability for isolation | Yes conforming to IEC 60947-2 |
| Utilisation category | Category A |
| Trip unit name | STR23SP |
| Trip unit technology | Electronic |
| Trip unit rating | 400 A |
| Protection type | Instantaneous short-circuit protection Short time short-circuit protection Overload protection (long time) |
| Pollution degree | 3 conforming to IEC 60947 |
| Control type | Toggle |
|---|---|
| Mounting mode | Fixed |
| Mounting support | Backplate |
| upside connection | Front |
| Downside connection | Front |
| Circuit breaker CT rating | 250 A |
| Mechanical durability | 15000 cycles |
| Electrical durability | 2000 cycles 1000 V AC 50/60 Hz In conforming to IEC 60947-2 4000 cycles 1000 V AC 50/60 Hz In/2 conforming to IEC 60947-2 |
| Connection pitch | 45 mm |
| Local signalling | Positive contact indication |
| Long time pick-up adjustment type Ir | Adjustable 48 settings |
| long time pick-up adjustment range | 0.4…1 x In |
| long time delay adjustment type | Fixed |
| [tr] long-time delay adjustment range | 90…180 s 1.5 x Ir |
| Short-time pick-up adjustment type Isd | Adjustable 8 settings |
| [Isd] short-time pick-up adjustment range | 2…9 x Ir |
| Short-time delay adjustment type | Fixed |
| [tsd] short-time delay adjustment range | 0.04…0.06 s |
| Instantaneous pick-up adjustment type Ii | Fixed |
| Instantaneous pick-up adjustment range | >= 9 x In |
| Display type | LED |
| current sensor rating range | 150 A 250 A 400 A |
| Height | 140 mm |
| Width | 480 mm |
| Depth | 110 mm |
| Standards | IEC 60947-2 |
|---|---|
| Product certifications | ASEFA KEMA LCIE ASTA |
| IP degree of protection | IP40 conforming to IEC 60529 |
| IK degree of protection | IK07 conforming to EN 50102 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -50…85 °C |
| Warranty | 18 months |
|---|
