NZMH2-M160 281308 EATON ELECTRIC Circuit-breaker, 3p, 160A View larger
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NZMH2-M160 281308 EATON ELECTRIC Circuit-breaker, 3p, 160A

NZMH2-M160

281308

EATON-MOELLER

Circuit-breaker, 3p, 160A

NZMH2-M160

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Low-voltage industrial components > Motor protection circuit-breaker

Circuit Breakers NZM

* Brand new product in its original packaging covered by the warranties and certifications provided by EATON-MOELLER

Total price: $878.33
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Circuit-breaker, 3p, 160A
Circuit-breakers of the NZM..-M series cover all applications with only four compact sizes and are suitable for the IEC market. The mounting is always flexible due to the modular function groups. With thermomagnetic release for the motor protection. Notes: tripping class 10A, IEC/EN 60947-4-1, IEC/EN 60947-2 circuit-breakers fulfill all requirements of the switching category AC-3.

General specifications
Product name
Eaton Moeller series NZM molded case circuit breaker thermo-magnetic
Part no.
NZMH2-M160
EAN
4015082813086
Product Length/Depth
149 millimetre
Product height
184 millimetre
Product width
105 millimetre
Product weight
2.312 kilogram
Compliances
RoHS conform
Certifications
IEC/EN 60947
IEC
Product Tradename
NZM
Product Type
Molded case circuit breaker
Product Sub Type
Thermo-magnetic
Delivery program
Application
Use in unearthed supply systems at 690 V
Type
Circuit breaker
Circuit breaker frame type
NZM2
Connection
Screw
Number of poles
Three-pole
Amperage Rating
160 A
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 short-circuit breaking capacity Icn)
Rated current = rated uninterrupted current: 160 A
Tripping class 10 A
IEC/EN 60947-4-1, IEC/EN 60947-2
The circuit-breaker fulfills all requirements for AC-3 switching category.
Fitted with:
Thermal protection
Technical Data - Electrical
Voltage rating
690 V - 690 V
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated operational current
134 A (400 V AC-3)
Rated short-time withstand current (t = 0.3 s)
1.9 kA
Rated short-time withstand current (t = 1 s)
1.9 kA
Instantaneous current setting (Ii) - min
1280 A
Instantaneous current setting (Ii) - max
2240 A
Overload current setting (Ir) - min
125 A
Overload current setting (Ir) - max
160 A
Short-circuit release non-delayed setting - min
1280 A
Short-circuit release non-delayed setting - max
2240 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
150 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
130 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
130 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
37.5 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz
5 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
330 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
330 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
286 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
105 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
40 kA
Rated operating power at AC-3, 230 V
45 kW
Rated operating power at AC-3, 400 V
75 kW
Short-circuit total breaktime
< 10 ms
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
Handle type
Rocker lever
Utilization category
A (IEC/EN 60947-2)
Overvoltage category
III
Pollution degree
3
Lifespan, electrical
10000 operations at 415 V AC-1
6500 operations at 415 V AC-3
5000 operations at 690 V AC-3
7500 operations at 690 V AC-1
10000 operations at 400 V AC-1
6500 operations at 400 V AC-3
Direction of incoming supply
As required
Technical Data - Mechanical
Mounting Method
Fixed
Built-in device fixed built-in technique
Degree of protection
IP20 (basic degree of protection, in the operating controls area)
IP20
Degree of protection (IP), front side
IP66 (with door coupling rotary handle)
IP40 (with insulating surround)
Degree of protection (terminations)
IP10 (tunnel terminal)
IP00 (terminations, phase isolator and strip terminal)
Protection against direct contact
Finger and back-of-hand proof to VDE 0106 part 100
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Switch off technique
Thermomagnetic
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
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 short-circuit breaking capacity Icn)
Rated current = rated uninterrupted current: 160 A
Tripping class 10 A
IEC/EN 60947-4-1, IEC/EN 60947-2
The circuit-breaker fulfills all requirements for AC-3 switching category.
Lifespan, mechanical
20000 operations
Technical Data - Mechanical - Terminals
Standard terminals
Screw terminal
Optional terminals
Box terminal. Connection on rear. Tunnel terminal
Terminal capacity (control cable)
0.75 mm² - 2.5 mm² (1x)
0.75 mm² - 1.5 mm² (2x)
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 - 50 mm² (1x) direct at switch rear-side connection
25 mm² - 50 mm² (2x) direct at switch rear-side connection
25 mm² - 185 mm² (1x) at 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)
10 mm² - 16 mm² (1x) direct at switch rear-side connection
6 mm² - 16 mm² (2x) direct at switch rear-side connection
16 mm² (1x) at tunnel terminal
6 mm² - 16 mm² (2x) at box terminal
10 mm² - 16 mm² (1x) at box terminal
Terminal capacity (copper stranded conductor/cable)
25 mm² - 70 mm² (2x) at box terminal
25 mm² - 70 mm² (2x) direct at switch rear-side connection
25 mm² - 185 mm² (1x) direct at switch rear-side connection
25 mm² - 185 mm² (1x) at box terminal
25 mm² - 185 mm² (1x) at 1-hole tunnel terminal
Terminal capacity (copper strip)
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
Max. 8 segments of 24 mm x 1 mm (2x) at box terminal
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
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
160 A
Equipment heat dissipation, current-dependent
38.4 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.
Additional information
Functions
Motor protection

Technical data ETIM 9.0

Low-voltage industrial components (EG000017) / Motor protection circuit-breaker (EC000074)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Motor protection circuit-breaker (ecl@ss13-27-37-04-01 [AGZ529021])
Overload release current setting
125 - 160 A
Adjustment range undelayed short-circuit release
1280 - 2240 A
With thermal overload protection
Yes
Phase failure sensitive
No
Switch off technique
Thermomagnetic
Rated operating voltage
690 - 690 V
Rated permanent current Iu
160 A
Rated operation power at AC-3, 230 V
45 kW
Rated operation power at AC-3, 400 V
75 kW
Power loss
38.4 W
Type of electrical connection of main circuit
Screw connection
Type of control element
Rocker lever
Device construction
Built-in device fixed built-in technique
With integrated auxiliary switch
No
With integrated under voltage release
No
Number of poles
3
Rated short-circuit breaking capacity lcu at 400 V, AC
130 kA
Degree of protection (IP)
IP20
Height
184 mm
Width
105 mm
Depth
149 mm

Datasheet - PDF

Title: Size: Type:
NZMH2-M160 281308 EN_281308.pdf 123 Kbytes   NZMH2-M160  281308 EN_281308.pdf

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