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142425
Model code: NZMH2-ME140-BT-NA

Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 3p, 140A, box terminals, H2-ME140-BT-NA

General specifications

Product Name
Eaton Moeller series NZM molded case circuit breaker electronic
Catalog Number
142425
EAN
4015081391516
Product Length/Depth
149 mm
Product Height
195 mm
Product Width
105 mm
Product Weight
3.044 kg
Compliances
RoHS conform
Certifications
CSA-C22.2 No. 5-09
CSA certified
Specially designed for North America
CSA (File No. 22086)
CE marking
UL/CSA
IEC
UL (Category Control Number DIVQ)
UL (File No. E31593)
IEC 60947-2
UL 489
UL508
IEC/EN 60947
UL listed
CSA (Class No. 1432-01)
Model Code
NZMH2-ME140-BT-NA

Product specifications

Amperage Rating
140 A
Voltage rating
690 V - 690 V
Circuit breaker frame type
NZM2
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.
Fitted with:
Thermal protection
Pollution degree
3
Mounting Method
Built-in device fixed built-in technique
Fixed
Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78
Equipment heat dissipation, current-dependent
16.17 W
Utilization category
A (IEC/EN 60947-2)
Isolation
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts)
Ambient operating temperature - max
70 °C
Ambient operating temperature - min
-25 °C
Ambient storage temperature - max
70 °C
Ambient storage temperature - min
40 °C
Low-voltage HBC fuse - max
355 A gG/gL
Motor power at 460/480 V (UL)
100 HP
Protection against direct contact
Finger and back-of-hand proof to VDE 0106 part 100
Rated insulation voltage (Ui)
1000 V
Rated operating power at AC-3, 230 V
45 kW
Rated operating power at AC-3, 400 V
75 kW
Switch off technique
Electronic
Degree of protection
IP20
IP20 (basic degree of protection, in the operating controls area)
Direction of incoming supply
As required
Electrical connection type of main circuit
Other
Lifespan, mechanical
20000 operations
Overvoltage category
III
Rated operational current
140 A (690 V AC-1, making and breaking capacity)
300 A (400 V AC-1, making and breaking capacity)
140 A (660-690 V AC-3, making and breaking capacity)
300 A (415 V AC-1, making and breaking capacity)
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)
Number of poles
Three-pole
Lifespan, electrical
5000 operations at 690 V AC-3
6500 operations at 415 V AC-3
7500 operations at 690 V AC-1
6500 operations at 400 V AC-3
10000 operations at 400 V AC-1
Functions
Current limiting circuit breaker
Motor protection
Phase failure sensitive
Type
Circuit breaker
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: 140 A
  • Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.
  • 100% rated
  • For use in motor circuits with contactor.
  • Additional motor protective characteristics (calibration) to UL508, CSA-C22.2 No. 14-05.
  • Adjustable overload releases Ir
  • adjustable time delay setting to overcome current peaks tr: 2 – 20 s at 6 x Ir
Application
  • Branch circuits, feeder circuits
  • Use in unearthed supply systems at 690 V
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Rated operational current for specified heat dissipation (In)
140 A
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 release non-delayed setting - max
1960 A
Short-circuit release non-delayed setting - min
280 A
Handle type
Rocker lever
Instantaneous current setting (Ii) - max
1960 A
Instantaneous current setting (Ii) - min
280 A
Number of operations per hour - max
120
Overload current setting (Ir) - max
140 A
Overload current setting (Ir) - min
70 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
Standard terminals
Box terminal
Rated operating voltage Ue (UL) - max
480 V
Release system
Electronic release
Short-circuit total breaktime
< 10 ms
Terminal capacity (aluminum solid conductor/cable)
16 mm² (1x) at tunnel terminal
Terminal capacity (copper busbar)
M8 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)
16 mm² (1x) at tunnel terminal
Rated short-circuit breaking capacity Icu (IEC/EN 60947) at 400/415 V, 50/60 Hz
130 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 short-circuit making capacity Icm at 240 V, 50/60 Hz
330 kA
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Power loss
16.17 W

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