Product name
Eaton Moeller series NZM switch-disconnector
Product Length/Depth
142 millimetre
Product height
185 millimetre
Product width
140 millimetre
Product weight
2.42 kilogram
Certifications
IEC/EN 60947
IEC
Product Type
Switch-disconnector
Application
Use in unearthed supply systems at 690 V
Circuit breaker frame type
PN2
Number of poles
Four-pole
Features
Version as main switch
Version as emergency stop installation
Version as maintenance-/service switch
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: 160 A
The rated short-time withstand current for PN2/N2 in conjunction with earth-fault release NZM2-4-XFI...Icw = 1.5 kA
Technical Data - Electrical
Voltage rating
690 V - 690 V
Rated operating voltage (Ue) at AC - max
690 V
Rated insulation voltage (Ui)
690 V
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated conditional short-circuit current (Iq)
0 kA
Rated operational current
160 A (415 V AC-22/23A, making and breaking capacity)
160 A (690 V AC-22/23A, making and breaking capacity)
Rated permanent current at AC-21, 400 V
0 A
Rated permanent current at AC-23, 400 V
0 A
Rated conditional short-circuit current with back-up fuse
80 kA at 690 V
PN2(N2)-160…250: 250 AgGgL
100 kA at 400/415 V
Rated conditional short-circuit current with downstream fuse
PN2(N2)-160…250: 250 AgGgL
100 kA at 400/415 V
80 kA at 690 V
Rated short-time withstand current (Icw)
3.5 kA
Rated short-time withstand current (t = 0.3 s)
3.5 kA
Rated short-time withstand current (t = 1 s)
3.5 kA
Rated operating frequency
50 Hz
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
5.5 kA
Rated operating power at AC-3, 400 V
0 kW
Rated operating power at AC-23, 400 V
90 kW
Switching power at 400 V
0 kW
Short-circuit protective device fuses - max
250 A gL
Electrical connection type of main circuit
Screw connection
Isolation
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts)
Number of operations per hour - max
120
Lifespan, electrical
4000 operations at 690 V AC-3
7500 operations at 400 V AC-1
7500 operations at 415 V AC-1
5000 operations at 690 V AC-1
6000 operations at 415 V AC-3
6000 operations at 400 V AC-3
Direction of incoming supply
As required
Technical Data - Mechanical
Mounting Method
Distribution board installation
Fixed
Intermediate mounting
Built-in device fixed built-in technique
Ground mounting
Degree of protection
IP20 (basic protection type, in the area of the HMI devices)
Degree of protection (IP), front side
IP20
IP66 (with door coupling rotary handle)
IP40 (with insulating surround)
Degree of protection (terminations)
IP10 (tunnel terminal)
IP00 (terminations, phase isolator and band terminal)
Protection against direct contact
Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
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: 160 A
The rated short-time withstand current for PN2/N2 in conjunction with earth-fault release NZM2-4-XFI...Icw = 1.5 kA
Lifespan, mechanical
20000 operations
Technical Data - Mechanical - Terminals
Standard terminals
Screw terminal
Optional terminals
Box terminal. Connection on rear. Tunnel terminal
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
Terminal capacity (aluminum stranded conductor/cable)
25 mm² - 185 mm² (1x) at 1-hole tunnel terminal
Terminal capacity (copper busbar)
M8 at rear-side screw connection
Max. 24 mm x 8 mm direct at switch rear-side connection
Min. 16 mm x 5 mm direct at switch rear-side connection
Terminal capacity (copper solid conductor/cable)
6 mm² - 16 mm² (2x) at box terminal
16 mm² (1x) at tunnel terminal
10 mm² - 16 mm² (1x) at box terminal
10 mm² - 16 mm² (1x) direct at switch rear-side connection
6 mm² - 16 mm² (2x) direct at switch rear-side connection
Terminal capacity (copper stranded conductor/cable)
25 mm² - 70 mm² (2x) at box terminal
25 mm² - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 185 mm² (1x) direct at switch rear-side connection
25 mm² - 185 mm² (1x) at box terminal
25 mm² - 70 mm² (2x) direct at switch rear-side connection
Terminal capacity (copper strip)
Max. 10 segments of 16 mm x 0.8 mm at box terminal
Max. 8 segments of 15.5 mm x 0.8 mm (2x) at box terminal
Min. 2 segements of 16 mm x 0.8 mm at rear-side connection (punched)
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
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
160 A
Equipment heat dissipation, current-dependent
19.66 W
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
70 °C
Ambient storage temperature - min
40 °C
Ambient storage temperature - max
70 °C
Design verification as per IEC/EN 61439
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
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.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
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.
10.2.7 Inscriptions
Meets the product standard's requirements.
10.3 Degree of protection of assemblies
Does not apply, since the entire switchgear needs to be evaluated.
10.4 Clearances and creepage distances
Meets the product standard's requirements.
10.5 Protection against electric shock
Does not apply, since the entire switchgear needs to be evaluated.
10.6 Incorporation of switching devices and components
Does not apply, since the entire switchgear needs to be evaluated.
10.7 Internal electrical circuits and connections
Is the panel builder's responsibility.
10.8 Connections for external conductors
Is the panel builder's responsibility.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
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.
10.11 Short-circuit rating
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.12 Electromagnetic compatibility
Is the panel builder's responsibility. The specifications for the switchgear must be observed.
10.13 Mechanical function
The device meets the requirements, provided the information in the instruction leaflet (IL) is observed.
Functions
Interlockable
Disconnectors/main switches
