NZMB2-4-A125

MCCB NZM2 4pole 125A 25kA therm/mag

Trade Price

£570.82

Per

1

Unit

EACH

Pack Quantity

1

NZMB2-4-A125
NZMB2-4-A125
NZMB2-4-A125

Information

Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 4p, 125A, B, frame2, 4-A125

Technical Specifications

Product Length/Depth

149 mm

Product Height

184 mm

Product Width

140 mm

Product Weight

3 kg

Compliances

RoHS conform

Certifications

IEC/EN 60947

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.

10.12 Electromagnetic compatibility

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

Mounting Method

Built-in device fixed built-in technique

DIN rail (top hat rail) mounting optional

Fixed

Amperage Rating

125 A

10.2.5 Lifting

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

Terminal capacity (copper strip)

Min. 2 segements of 16 mm x 0.8 mm at rear-side connection (punched)

Min. 2 segments of 9 mm x 0.8 mm at box terminal

Max. 10 segments of 16 mm x 0.8 mm at box terminal

Max. 10 segments of 16 mm x 0.8 mm at rear-side connection (punched)

Handle type

Rocker lever

10.2.3.1 Verification of thermal stability of enclosures

Meets the product standard's requirements.

Ambient storage temperature - min

40 °C

Protection against direct contact

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

Terminal capacity (copper busbar)

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

Min. 16 mm x 5 mm direct at switch rear-side connection

M8 at rear-side screw connection

10.8 Connections for external conductors

Is the panel builder's responsibility.

Special features

Rated current = rated uninterrupted current: 125 A

Set value in neutral conductor is synchronous with set value Ir of main pole.

Ambient operating temperature - max

70 °C

Position of connection for main current circuit

Front side

Current rating of neutral conductor

200% of phase conductor

Climatic proofing

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

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

Terminal capacity (copper stranded conductor/cable)

25 mm² - 185 mm² (1x) direct at switch rear-side connection

25 mm² - 185 mm² (1x) at box terminal

25 mm² - 70 mm² (2x) at box terminal

25 mm² - 70 mm² (2x) direct at switch rear-side connection

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

Features

Protection unit

Motor drive optional

Electrical connection type of main circuit

Screw connection

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

25 kA

10.9.3 Impulse withstand voltage

Is the panel builder's responsibility.

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.

Overload current setting (Ir)

100 A - 125 A

10.5 Protection against electric shock

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

Terminal capacity (control cable)

0.75 mm² - 1.5 mm² (2x)

0.75 mm² - 2.5 mm² (1x)

Equipment heat dissipation, current-dependent

27.61 W

Instantaneous current setting (Ii) - min

6 A

10.13 Mechanical function

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

10.2.6 Mechanical impact

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

10.9.4 Testing of enclosures made of insulating material

Is the panel builder's responsibility.

Application

Use in unearthed supply systems at 440 V

10.3 Degree of protection of assemblies

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

Instantaneous current setting (Ii) - max

10 A

Overload current setting (Ir) - min

100 A

Short delay current setting (Isd) - min

0 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.

Overload current setting (Ir) - max

125 A

Voltage rating

440 V - 440 V

Terminal capacity (copper solid conductor/cable)

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

16 mm² (1x) at tunnel terminal

4 mm² - 16 mm² (2x) at box terminal

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

4 mm² - 16 mm² (1x) at box terminal

Terminal capacity (aluminum stranded conductor/cable)

25 mm² - 50 mm² (1x) direct at switch rear-side connection

25 mm² - 50 mm² (2x) direct at switch rear-side connection

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

10.9.2 Power-frequency electric strength

Is the panel builder's responsibility.

Short-circuit release non-delayed setting - min

750 A

Degree of protection

IP20

Short delay current setting (Isd) - max

0 A

Number of auxiliary contacts (change-over contacts)

0

Ambient storage temperature - max

70 °C

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

1250 A

Standard terminals

Screw terminal

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.

Number of auxiliary contacts (normally open contacts)

0

Isolation

500 V AC (between auxiliary contacts and main contacts)

300 V AC (between the auxiliary contacts)

Terminal capacity (aluminum solid conductor/cable)

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

16 mm² (1x) at tunnel terminal

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

Document Links

Datasheet