Product Length/Depth

260 mm

Product Height

346 mm

Product Width

230 mm

Product Weight

22.989 kg

Compliances

RoHS conform

Certifications

IEC/EN 60947

IEC

Rated operational current for specified heat dissipation (In)

400 A

10.11 Short-circuit rating

Is the panel builder's responsibility. The specifications for the switchgear must be observed.

10.4 Clearances and creepage distances

Meets the product standard's requirements.

Mounting Method

Withdrawable

Built-in device slide-in technique (withdrawable)

Terminal capacity (copper strip)

Max. 10 segments of 32 mm x 1 mm + 5 segments of 32 mm x 1 mm at rear-side connection (punched)

Max. 10 segments of 24 mm x 1 mm + 5 segments of 24 mm x 1 mm

Min. 6 segments of 16 mm x 0.8 mm at box terminal

Max. 8 segments of 24 mm x 1 mm (2x) at box terminal

10 segments of 50 mm x 1 mm (2x) at rear-side width extension

Min. 6 segments of 16 mm x 0.8 mm at rear-side connection (punched)

10.2.3.1 Verification of thermal stability of enclosures

Meets the product standard's requirements.

Ambient storage temperature - min

40 °C

Earth-fault current setting (Ig) - max

400 x In

Ambient operating temperature - max

70 °C

Position of connection for main current circuit

Front side

Terminal capacity (copper stranded conductor/cable)

25 mm² - 240 mm² (1x) direct at switch rear-side connection

25 mm² - 240 mm² (2x) direct at switch rear-side connection

25 mm² - 120 mm² (2x) at box terminal

16 mm² - 185 mm² (1x) at 1-hole tunnel terminal

35 mm² - 240 mm² (1x) at box terminal

Features

Protection unit

Motor drive optional

Electrical connection type of main circuit

Other

Short-circuit total breaktime

< 10 ms

Rated impulse withstand voltage (Uimp) at main contacts

8000 V

Number of poles

Four-pole

Ambient operating temperature - min

-25 °C

10.6 Incorporation of switching devices and components

Does not apply, since the entire switchgear needs to be evaluated.

10.2.6 Mechanical impact

Does not apply, since the entire switchgear needs to be evaluated.

Application

Use in unearthed supply systems at 690 V

10.3 Degree of protection of assemblies

Does not apply, since the entire switchgear needs to be evaluated.

Rated short-circuit making capacity Icm at 240 V, 50/60 Hz

187 kA

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz

35 kA

Rated short-circuit making capacity Icm at 690 V, 50/60 Hz

40 kA

Instantaneous current setting (Ii) - max

12 A

Short delay current setting (Isd) - min

2 A

Terminal capacity (copper solid conductor/cable)

16 mm² (2x) direct at switch rear-side connection

16 mm² (2x) at box terminal

300 mm² (2x) at rear-side width extension

16 mm² (1x) at tunnel terminal

16 mm² (1x) direct at switch rear-side connection

Terminal capacity (aluminum stranded conductor/cable)

50 mm² - 240 mm² (1x) at 2-hole tunnel terminal

25 mm² - 185 mm² (1x) at tunnel terminal

50 mm² - 240 mm² (2x) at 2-hole tunnel terminal

10.9.2 Power-frequency electric strength

Is the panel builder's responsibility.

Degree of protection

IP20

IP20 (basic degree of protection, in the operating controls area)

Overvoltage category

III

Short delay current setting (Isd) - max

10 A

Rated impulse withstand voltage (Uimp) at auxiliary contacts

6000 V

Ambient storage temperature - max

70 °C

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz

13 kA

Pollution degree

3

Functions

Systems, cable, selectivity and generator protection

Earth-fault protection

Integrated earth fault protection

Type

Circuit breaker

10.2.2 Corrosion resistance

Meets the product standard's requirements.

10.2.4 Resistance to ultra-violet (UV) radiation

Meets the product standard's requirements.

10.2.7 Inscriptions

Meets the product standard's requirements.

Rated short-circuit making capacity Icm at 440 V, 50/60 Hz

77 kA

Number of auxiliary contacts (normally open contacts)

0

Number of operations per hour - max

60

Circuit breaker frame type

NZM3

Shock resistance

20 g (half-sinusoidal shock 20 ms)

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz

5 kA

10.12 Electromagnetic compatibility

Is the panel builder's responsibility. The specifications for the switchgear must be observed.

Amperage Rating

400 A

10.2.5 Lifting

Does not apply, since the entire switchgear needs to be evaluated.

Handle type

Rocker lever

Protection against direct contact

Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110

Terminal capacity (copper busbar)

Max. 10 mm x 50 mm (2x) at rear-side width extension

Max. 30 mm x 10 mm + 30 mm x 5 mm direct at switch rear-side connection

Min. 20 mm x 5 mm direct at switch rear-side connection

M10 at rear-side screw connection

10.8 Connections for external conductors

Is the panel builder's responsibility.

Special features

LSI overload protection and delayed and non-delayed short-circuit protective device

R.m.s. value measurement and “thermal memory”

USB interface for configuration and test function with Power Xpert Protection Manager software

Optionally communication-capable with interface module and internal Modbus RTU module or CAM

Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)

Rated current = rated uninterrupted current: 400 A

Terminal capacity hint: Up to 240 mm² can be connected depending on the cable manufacturer.

Current rating of neutral conductor

200% of phase conductor

Rated insulation voltage (Ui)

690 V AC

Climatic proofing

Damp heat, cyclic, to IEC 60068-2-30

Damp heat, constant, to IEC 60068-2-78

Lifespan, electrical

5000 operations at 400 V AC-1

3000 operations at 690 V AC-1

5000 operations at 415 V AC-1

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz

50 kA

10.9.3 Impulse withstand voltage

Is the panel builder's responsibility.

Utilization category

A (IEC/EN 60947-2)

10.5 Protection against electric shock

Does not apply, since the entire switchgear needs to be evaluated.

Terminal capacity (control cable)

0.75 mm² - 2.5 mm² (1x)

0.75 mm² - 1.5 mm² (2x)

Equipment heat dissipation, current-dependent

72 W

Instantaneous current setting (Ii) - min

2 A

10.13 Mechanical function

The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.

10.9.4 Testing of enclosures made of insulating material

Is the panel builder's responsibility.

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz

85 kA

Short-circuit release delayed setting - max

4000 A

Degree of protection (IP), front side

IP40 (with insulating surround)

IP66 (with door coupling rotary handle)

Rated short-circuit making capacity Icm at 525 V, 50/60 Hz

55 kA

Overload current setting (Ir) - min

160 A

Number of auxiliary contacts (normally closed contacts)

0

10.2.3.2 Verification of resistance of insulating materials to normal heat

Meets the product standard's requirements.

10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects

Meets the product standard's requirements.

Lifespan, mechanical

15000 operations

Overload current setting (Ir) - max

400 A

Voltage rating

690 V - 690 V

Degree of protection (terminations)

IP10 (tunnel terminal)

IP00 (terminations, phase isolator and strip terminal)

Short-circuit release delayed setting - min

320 A

Short-circuit release non-delayed setting - min

800 A

Rated short-time withstand current (t = 1 s)

3.3 kA

Earth-fault current setting (Ig) - min

80 x In

Number of auxiliary contacts (change-over contacts)

0

Rated short-time withstand current (t = 0.3 s)

3.3 kA

Accessories required

NZM3-4-XAVS

Release system

Electronic release

Optional terminals

Box terminal. Connection on rear. Tunnel terminal

10.7 Internal electrical circuits and connections

Is the panel builder's responsibility.

10.10 Temperature rise

The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices.

Short-circuit release non-delayed setting - max

4800 A

Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz

110 kA

Standard terminals

Screw terminal

Isolation

500 V AC (between auxiliary contacts and main contacts)

300 V AC (between the auxiliary contacts)

Direction of incoming supply

As required

Terminal capacity (aluminum solid conductor/cable)

16 mm² (1x) at tunnel terminal