N2-250

MCCB NZM Switch-disconnector 250A 3P

Trade Price

£692.97

Per

1

Unit

EACH

Pack Quantity

N2-250

Information

Eaton Moeller series NZM - Molded Case Circuit Breaker. Switch-disconnector 3p 250A BG2

Technical Specifications

Product Length/Depth

142 mm

Product Height

185 mm

Product Width

105 mm

Product Weight

1.931 kg

Compliances

RoHS conform

Certifications

IEC/EN 60947

IEC

Rated operational current for specified heat dissipation (In)

250 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.

10.12 Electromagnetic compatibility

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

Mounting Method

Intermediate mounting

Fixed

Ground mounting

Distribution board installation

Built-in device fixed built-in technique

Amperage Rating

250 A

10.2.5 Lifting

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

Terminal capacity (copper strip)

Max. 10 segments of 24 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

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

Max. 8 segments of 15.5 mm x 0.8 mm (2x) at box terminal

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

Number of switches

1

Protection against direct contact

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

Terminal capacity (copper busbar)

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

M8 at rear-side screw connection

Max. 24 mm x 8 mm direct at switch rear-side connection

10.8 Connections for external conductors

Is the panel builder's responsibility.

Short-circuit protective device fuses - max

250 A gL

Special features

Main switch characteristics including positive drive to IEC/EN 60204 and VDE 0113.

Isolating characteristics to IEC/EN 60947-3 and VDE 0660.

Busbar tag shroud to VDE 0160 Part 100.

Rated current = rated uninterrupted current: 250 A

The rated short-time withstand current for PN2/N2 in conjunction with earth-fault release NZM2-4-XFI...Icw = 1.5 kA

Ambient operating temperature - max

70 °C

Rated permanent current at AC-21, 400 V

0 A

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 - 70 mm² (2x) at box terminal

25 mm² - 185 mm² (1x) at box terminal

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

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

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

Features

Version as main switch

Motor drive optional

Version as emergency stop installation

Version as maintenance-/service switch

Lifespan, electrical

10000 operations at 415 V AC-1

5000 operations at 690 V AC-3

7500 operations at 415 V AC-3

7500 operations at 400 V AC-3

10000 operations at 400 V AC-1

7500 operations at 690 V AC-1

Electrical connection type of main circuit

Screw connection

Rated impulse withstand voltage (Uimp) at main contacts

8000 V

10.9.3 Impulse withstand voltage

Is the panel builder's responsibility.

Number of poles

Three-pole

Switch positions

I, +, 0

Ambient operating temperature - min

-25 °C

Handle color

Black

10.6 Incorporation of switching devices and components

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

10.5 Protection against electric shock

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

Equipment heat dissipation, current-dependent

48 W

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.

Rated operational current

250 A (415 V AC-22/23A, making and breaking capacity)

250 A (690 V AC-22/23A, making and breaking capacity)

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 operating voltage (Ue) at AC - max

690 V

Degree of protection (IP), front side

IP20

IP40 (with insulating surround)

IP66 (with door coupling rotary handle)

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

5.5 kA

Rated conditional short-circuit current with back-up fuse

100 kA at 400/415 V

80 kA at 690 V

PN2(N2)-160…250: 250 AgGgL

Number of auxiliary contacts (normally closed contacts)

0

Rated conditional short-circuit current (Iq)

0 kA

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

20000 operations

Rated operating power at AC-23, 400 V

132 kW

Rated operating frequency

50 Hz

Voltage rating

690 V - 690 V

Terminal capacity (copper solid conductor/cable)

16 mm² (1x) at tunnel terminal

10 mm² - 16 mm² (1x) at box terminal

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

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

6 mm² - 16 mm² (2x) at box terminal

Degree of protection (terminations)

IP10 (tunnel terminal)

IP00 (terminations, phase isolator and band terminal)

Terminal capacity (aluminum stranded conductor/cable)

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

10.9.2 Power-frequency electric strength

Is the panel builder's responsibility.

Degree of protection

IP20 (basic protection type, in the area of the HMI devices)

Overvoltage category

III

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

3.5 kA

Rated impulse withstand voltage (Uimp) at auxiliary contacts

6000 V

Rated short-time withstand current (Icw)

3.5 kA

Number of auxiliary contacts (change-over contacts)

0

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

3.5 kA

Ambient storage temperature - max

70 °C

Optional terminals

Box terminal. Connection on rear. Tunnel terminal

Pollution degree

3

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.

Functions

Disconnectors/main switches

Voltage release optional

Interlockable

Switching power at 400 V

0 kW

Rated conditional short-circuit current with downstream fuse

PN2(N2)-160…250: 250 AgGgL

80 kA at 690 V

100 kA at 400/415 V

Standard terminals

Screw terminal

Rated operating power at AC-3, 400 V

0 kW

Type

Switch-disconnector

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 permanent current at AC-23, 400 V

0 A

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)

Number of operations per hour - max

120

Circuit breaker frame type

N2

Direction of incoming supply

As required

Shock resistance

20 g (half-sinusoidal shock 20 ms)

Rated insulation voltage (Ui)

690 V

Terminal capacity (aluminum solid conductor/cable)

16 mm² (1x) at tunnel terminal

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

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

Document Links

Datasheet