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192533
Model code: NZMH3-VX250-NA

Eaton Moeller series NZMH3 PXR20 circuit breaker, 250 A, 3-pole, Screw terminal, UL/CSA

General specifications

Product Name
Eaton Moeller series NZM molded case circuit breaker electronic
Catalog Number
192533
EAN
4015081932610
Model Code
NZMH3-VX250-NA
Product Length/Depth
166 mm
Product Height
297 mm
Product Width
140 mm
Product Weight
6.34 kg
Compliances
RoHS conform
Certifications
CE marking
IEC
CSA certified
UL listed
IEC 60947-2
Specially designed for North America
CSA (Class No. 1432-01)
UL (Category Control Number DIVQ)
UL 489
CSA (File No. 22086)
UL (File No. E31593)
CSA-C22.2 No. 5-09
UL/CSA

Product specifications

Amperage Rating
250 A
Voltage rating
690 V - 690 V
Circuit breaker frame type
NZM3
Features
Protection unit
Motor drive optional
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.
Mounting Method
Built-in device fixed built-in technique
Fixed
Equipment heat dissipation, current-dependent
18.75 W
Ambient operating temperature - max
70 °C
Ambient operating temperature - min
-25 °C
Ambient storage temperature - max
70 °C
Ambient storage temperature - min
40 °C
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Protection against direct contact
Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Degree of protection
IP20
Electrical connection type of main circuit
Screw connection
Number of poles
Three-pole
Functions
Current limiting circuit breaker
Systems, cable, selectivity and generator protection
Type
  • Rated current = rated uninterrupted current: 250 A
  • Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.
Special features
Circuit breaker
Application
Branch circuits, feeder circuits
Position of connection for main current circuit
Front side
Rated operational current for specified heat dissipation (In)
250 A
Release system
Electronic release
Short-circuit release delayed setting - max
2500 A
Short-circuit release delayed setting - min
200 A
Short-circuit release non-delayed setting - max
4500 A
Short-circuit release non-delayed setting - min
500 A
Handle type
Rocker lever
Short delay current setting (Isd) - max
2500 A
Short delay current setting (Isd) - min
500 A
Instantaneous current setting (Ii) - max
18 A
Instantaneous current setting (Ii) - min
2 A
Overload current setting (Ir) - max
250 A
Overload current setting (Ir) - min
100 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
150 kA
Standard terminals
Screw terminal
Rated operating voltage Ue (UL) - max
600 V
Rated insulation voltage (Ui)
690 V AC

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