Range

ComPacT

Range of product

ComPact NSX400...630

Device short name

ComPacT NSX400K

Product or component type

Circuit breaker

Device application

Special application

Number of poles

4P

Protected poles description

3t 3t + N/2 4t

Neutral position

Left

[In] rated current

400 A at 40 °C

[Ue] rated operational voltage

800...1000 V AC 50/60 Hz

Network type

AC

Network frequency

50/60 Hz

Suitability for isolation

Yes conforming to EN/IEC 60947-2

utilisation category

Category A

[Icu] rated ultimate short-circuit breaking capacity

36 kA Icu at 800 V AC 50/60 Hz conforming to IEC 60947-2 10 kA Icu at 1000 V AC 50/60 Hz conforming to IEC 60947-2

Performance level

K 10 kA 1000 V AC

Trip unit name

MicroLogic 2.3

Trip unit technology

Electronic

Trip unit protection functions

LSoI

Control type

Toggle

Circuit breaker mounting mode

Fixed

[Ui] rated insulation voltage

1000 V AC 50/60 Hz

[Uimp] rated impulse withstand voltage

8 kV

[Ics] rated service short-circuit breaking capacity

10 kA at 800 V AC 50/60 Hz conforming to IEC 60947-2 10 kA at 1000 V AC 50/60 Hz conforming to IEC 60947-2

Mechanical durability

15000 cycles

Electrical durability

1000 cycles at 1000 V In

mounting support

Backplate

Upside connection

Front

downside connection

Front

Connection pitch

45 mm

Protection type

L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection

Trip unit rating

400 A at 40 °C

Long-time pick-up adjustment type Ir (thermal protection)

Adjustable 9 settings

[Ir] long-time protection pick-up adjustment range

160...400 A

Long-time protection delay adjustment type tr

Fixed

[tr] long-time protection delay adjustment range

11 s at 7.2 x Ir 16 s at 6 x Ir 400 s at 1.5 x Ir

Thermal memory

20 minutes before and after tripping

Short-time protection pick-up adjustment type Isd

Adjustable 9 settings

[Isd] Short-time protection pick-up adjustment range

1.5...10 x Ir

Short-time protection delay adjustment type tsd

Fixed

Instantaneous protection pick-up adjustment type Ii

Fixed

[Ii] instantaneous protection pick-up adjustment range

4800 A

earth-leakage protection

Without

Neutral protection settings

0.5 x Ir (3t + N/2) 1 x Ir (4t) No protection (3t)

Zone selective interlocking ZSI

Without

Number of slots for electrical auxiliaries

6 slot(s)

Local signalling

Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload

Width (W)

185 mm

Height (H)

255 mm

Depth (D)

110 mm

Net weight

7.9 kg

standards

EN/IEC 60947

product certifications

CE CCC

Overvoltage category

IV

Electrical shock protection class

Class II

Pollution degree

3 conforming to IEC 60664-1

IP degree of protection

IP40 conforming to IEC 60529

IK degree of protection

IK07 conforming to IEC 62262

Ambient air temperature for operation

-25…70 °C

Ambient air temperature for storage

-50…85 °C

Relative humidity

0…95 %

Operating altitude

0...2000 m without derating 2000 m...5000 m with derating

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

19.4 cm

Package 1 Width

15.8 cm

Package 1 Length

33.0 cm

Package 1 Weight

6.5 kg

Warranty

18 months