Product name
Eaton Moeller series NZM molded case circuit breaker electronic
Product Length/Depth
401 millimetre
Product height
207 millimetre
Product width
210 millimetre
Product weight
21 kilogram
Product Type
Molded case circuit breaker
Product Sub Type
Electronic
Circuit breaker frame type
NZM4
Number of poles
Three-pole
Release system
Electronic release
Features
Motor drive optional
Protection unit
Special features
Lifespan, mechanical: of which max. 50 % trip by shunt/undervoltage release
R.m.s. value measurement and “thermal memory”
NZM...S1 terminal type: NZM...XKSA cover required
Rated current = rated uninterrupted current: 1600 A
Technical Data - Electrical
Voltage rating
1000 V - 1000 V
Rated insulation voltage (Ui)
1000 V AC
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated short-time withstand current (t = 0.3 s)
19.2 kA
Rated short-time withstand current (t = 1 s)
19.2 kA
Instantaneous current setting (Ii) - min
3200 A
Instantaneous current setting (Ii) - max
19200 A
Overload current setting (Ir) - min
800 A
Overload current setting (Ir) - max
1600 A
Short delay current setting (Isd) - min
0 A
Short delay current setting (Isd) - max
0 A
Short-circuit release non-delayed setting - min
3200 A
Short-circuit release non-delayed setting - max
19200 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
63 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz
37 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 1000 V, 50/60 Hz
15 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
275 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
187 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
187 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
143 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
100 kA
Rated short-circuit making capacity Icm at 1000 V, 50/60 Hz
40 kA
Electrical connection type of main circuit
Screw connection
Number of operations per hour - max
60
Lifespan, electrical
500 operations at 1000 V AC-1
Technical Data - Mechanical
Mounting Method
Built-in device fixed built-in technique
Fixed
Degree of protection
IP20
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Position of connection for main current circuit
Front side
Special features
Lifespan, mechanical: of which max. 50 % trip by shunt/undervoltage release
R.m.s. value measurement and “thermal memory”
NZM...S1 terminal type: NZM...XKSA cover required
Rated current = rated uninterrupted current: 1600 A
Lifespan, mechanical
10000 operations
Technical Data - Mechanical - Terminals
Standard terminals
Screw terminal
Terminal capacity (control cable)
0.75 mm² - 1.5 mm² (2x)
0.75 mm² - 2.5 mm² (1x)
Terminal capacity (aluminum stranded conductor/cable)
50 mm² - 240 mm² (4x) at 4-hole tunnel terminal
Terminal capacity (copper busbar)
50 mm x 10 mm (2x) at rear-side 2-hole module plate
Min. 25 mm x 5 mm direct at switch rear-side connection
Max. 50 mm x 10 mm (2x) direct at switch rear-side connection
Max. 80 mm x 10 mm (2x) at rear-side width extension
Max. 80 mm x 10 mm (2x) direct at switch rear-side connection
Min. 60 mm x 10 mm at rear-side width extension
M10 at rear-side screw connection
Max. 50 mm x 10 mm (2x) at rear-side 1-hole module plate
Min. 25 mm x 5 mm at rear-side 1-hole module plate
Terminal capacity (copper solid conductor/cable)
70 mm² - 240 mm² (6x) at rear-side width extension
70 mm² - 185 mm² (2x) at rear-side 1-hole module plate
185 mm² - 240 mm² (1x) at rear-side 1-hole module plate
35 mm² - 185 mm² (4x) at rear-side 2-hole module plate
50 mm² - 240 mm² (4x) at 4-hole tunnel terminal
240 mm² (2x) at rear-side width extension
50 mm² (4x) at rear-side 2-hole module plate
Terminal capacity (copper strip)
Max. 10 segments of 50 mm x 1 mm (2x) at rear-side connection (punched)
10 segments of 80 mm x 1 mm (2x) at rear-side width extension
10 segments of 50 mm x 1 mm (2x) at 1-hole module plate
Min. 10 segments of 50 mm x 1 mm (2x) at rear-side connection (punched)
Max. 10 segments of 32 mm x 1 mm (2x) at flat conductor terminal
Min. 6 segments of 16 mm x 0.8 mm at flat conductor terminal
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
1600 A
Equipment heat dissipation, current-dependent
284 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
System and cable protection
