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166426
Codice del modello: NZMN2-A160-KCO

Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit breaker 3p system/cable + terminal at top, N2-A160-KCO

General specifications

Product Name
Eaton Moeller series NZM molded case circuit breaker thermo-magnetic
Catalog Number
166426
EAN
4015081629343
Product Length/Depth
149 mm
Product Height
184 mm
Product Width
105 mm
Product Weight
2.5 kg
Compliances
RoHS conform
Certifications
IEC/EN 60947
IEC
Model Code
NZMN2-A160-KCO

Additional information

Functions
System and cable protection

Delivery program

Amperage Rating
160 A
Application
Use in unearthed supply systems at 690 V
Circuit breaker frame type
NZM2
Features
Protection unit
Motor drive optional
Number of poles
Three-pole
Release system
Thermomagnetic release
Special features
  • Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit-breaker.
  • Rated current = rated uninterrupted current: 160 A
Type
Circuit breaker

Design verification as per IEC/EN 61439

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.
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.

Design verification as per IEC/EN 61439 - technical data

Ambient operating temperature - max
70 °C
Ambient storage temperature - max
70 °C
Ambient operating temperature - min
-25 °C
Ambient storage temperature - min
40 °C
Equipment heat dissipation, current-dependent
38.4 W
Rated operational current for specified heat dissipation (In)
160 A

Technical Data - Electrical

Amperage Rating
160 A
Direction of incoming supply
As required
Electrical connection type of main circuit
Other
Handle type
Rocker lever
Isolation
500 V AC (between auxiliary contacts and main contacts)
300 V AC (between the auxiliary contacts)
Lifespan, electrical
10000 operations at 400 V AC-1
5000 operations at 690 V AC-3
7500 operations at 690 V AC-1
6500 operations at 400 V AC-3
10000 operations at 415 V AC-1
6500 operations at 415 V AC-3
Number of operations per hour - max
120
Overload current setting (Ir) - max
160 A
Overload current setting (Ir) - min
125 A
Overvoltage category
III
Pollution degree
3
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated insulation voltage (Ui)
1000 V AC
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
85 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
35 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 500 V DC
7.5 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
25 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz
5 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 750 V DC
7.5 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
187 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
110 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
77 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
55 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
40 kA
Rated short-time withstand current (t = 0.3 s)
1.9 kA
Rated short-time withstand current (t = 1 s)
1.9 kA
Short-circuit total breaktime
< 10 ms
Utilization category
A
Voltage rating
690 V - 690 V
Voltage rating (DC)
750 VDC

Technical Data - Mechanical

Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78
Degree of protection
IP20 (basic degree of protection, in the operating controls area)
IP20
Degree of protection (IP), front side
IP40 (with insulating surround)
IP66 (with door coupling rotary handle)
Degree of protection (terminations)
IP00 (terminations, phase isolator and strip terminal)
IP10 (tunnel terminal)
Lifespan, mechanical
20000 operations
Mounting Method
Fixed
Built-in device fixed built-in technique
DIN rail (top hat rail) mounting optional
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
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)
Special features
  • Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit-breaker.
  • Rated current = rated uninterrupted current: 160 A

Technical Data - Mechanical - Terminals

Optional terminals
Box terminal. Connection on rear. Tunnel terminal
Standard terminals
Box terminal top screw connection bottom
Terminal capacity (aluminum solid conductor/cable)
16 mm² (1x) at tunnel terminal
Terminal capacity (aluminum stranded conductor/cable)
25 mm² - 185 mm² (1x) at tunnel terminal
Terminal capacity (control cable)
0.75 mm² - 2.5 mm² (1x)
0.75 mm² - 1.5 mm² (2x)
Terminal capacity (copper busbar)
Min. 16 mm x 5 mm direct at switch rear-side connection
Max. 24 mm x 8 mm direct at switch rear-side connection
M8 at rear-side screw connection
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
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 - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 70 mm² (2x) direct at switch rear-side connection
Terminal capacity (copper strip)
Max. 8 segments of 24 mm x 1 mm (2x) at box terminal
Min. 2 segments of 9 mm x 0.8 mm at box terminal
Max. 10 segments of 24 mm x 0.8 mm at rear-side connection (punched)
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)
Min. 2 segments of 16 mm x 0.8 mm at rear-side connection (punched)

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Serial Number Verified :
Authenticated:
The product is verified as being authentic; however, this does not guarantee the condition or fit for purpose of the product.

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