Trade Price
£556.19
Per
1
Unit
EACH
Pack Quantity
1
Eaton Moeller series NZM - Molded Case Circuit Breaker. Switch-disconnector 3p, 250A
Product Length/Depth
142 mm
Product Height
185 mm
Product Width
105 mm
Product Weight
1.891 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
Distribution board installation
Ground mounting
Intermediate mounting
Fixed
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. 8 segments of 15.5 mm x 0.8 mm (2x) at box terminal
Max. 10 segments of 16 mm x 0.8 mm at box terminal
Max. 10 segments of 24 mm x 0.8 mm at rear-side connection (punched)
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
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)
Max. 24 mm x 8 mm direct at switch rear-side connection
M8 at rear-side screw connection
Min. 16 mm x 5 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 - 70 mm² (2x) direct at switch rear-side connection
25 mm² - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 185 mm² (1x) direct at switch rear-side connection
Features
Version as maintenance-/service switch
Version as main switch
Version as emergency stop installation
Lifespan, electrical
10000 operations at 415 V AC-1
5000 operations at 690 V AC-3
7500 operations at 690 V AC-1
7500 operations at 415 V AC-3
10000 operations at 400 V AC-1
7500 operations at 400 V AC-3
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
IP66 (with door coupling rotary handle)
IP40 (with insulating surround)
IP20
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
PN2(N2)-160…250: 250 AgGgL
80 kA at 690 V
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)
6 mm² - 16 mm² (2x) direct at switch rear-side connection
10 mm² - 16 mm² (1x) at box terminal
16 mm² (1x) at tunnel terminal
6 mm² - 16 mm² (2x) at box terminal
10 mm² - 16 mm² (1x) direct at switch rear-side connection
Degree of protection (terminations)
IP00 (terminations, phase isolator and band terminal)
IP10 (tunnel 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
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
PN2
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)
10 mm² - 16 mm² (1x) direct at switch rear-side connection
10 mm² - 16 mm² (2x) direct at switch rear-side connection
16 mm² (1x) at tunnel terminal
Datasheet