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149988
Modelkode: IZMX40N4-A40W

IZMX40N4-A40W. Circuit-breaker, 4p, 4000A, withdrawable

General specifications

Product Name
Eaton Moeller series IZMX/INX circuit-breaker
Catalog Number
149988
EAN
4015081461660
Product Length/Depth
584 mm
Product Height
597 mm
Product Width
521 mm
Product Weight
86 kg
Compliances
IEC/EN 60947
IEC
Model Code
IZMX40N4-A40W

Delivery program

Amperage Rating
4000 A
Features
Motor drive optional
Complete device with protection unit
Fitted with:
Switched-off indicator
Frame
IZMX40
Number of poles
Four-pole
Release system
Electronic release
Special features
  • Optionally fittable by user with comprehensive accessories
  • Terminal capacity hint: These are values used in separate switchgear. The actual values will depend on the temperature around the circuit breaker, which is influenced by the ambient temperature, the degree of protection (IP), the mounting height, the partitions, and any external ventilation. Depending on the specific switchgear design, this may result in derating, which can then be compensated for by increasing the cross-sectional area. Temperature rise tests in the specific switchgear can provide specific and detailed information.
Suitable for
Main conducting paths with 57.6 kA in IT electrical power networks up to U = 440 V
Type
  • Air circuit breakers/switch-disconnector
  • Open 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
880 W
Rated operational current for specified heat dissipation (In)
4000 A

Technical Data - Electrical

Actuator type
Push button
Adjustment range short-term delayed short-circuit release - max
0 A
Adjustment range short-term delayed short-circuit release - min
0 A
Adjustment range undelayed short-circuit release - max
48000 A
Adjustment range undelayed short-circuit release - min
8000 A
Closing delay via spring release
35 ms
Direction of incoming supply
As required
Electrical connection type of main circuit
Rail connection
Number of standard mechanical operations per hour - max
60
Operating sequence up to 690 V, 50/60 Hz (IEC/EN 60947)
75 kA
Overload release current setting - max
4000 A
Overload release current setting - min
2000 A
Overvoltage category
III
Pollution degree
3
Power of withdrawable switch with cassette
880 W
Rated impulse withstand voltage (Uimp)
12 kV AC
Rated insulation voltage (Ui)
1000 V
Rated operating voltage (Ue) - max
690 V
Rated operating voltage (Ue) - min
240 V
Rated short-circuit breaking capacity at 400 V, 50 Hz
85 kA
Rated short-circuit making capacity up to 440 V, 50/60 Hz
187 kA
Rated short-circuit making capacity up to 690 V, 50/60 Hz
166 kA
Rated short-time withstand current (t = 1 s)
85 kA
Rated short-time withstand current at 50/60 Hz (t = 3 s)
66 kA
Rated uninterrupted current (Iu)
4000 A
Rated uninterrupted current (Iu) at 50°C
4000 A
Rated uninterrupted current (Iu) at 60°C
3650 A
Rated uninterrupted current (Iu) at 70°C
3500 A
Short-circuit release non-delayed setting - max
48000 A
Short-circuit release non-delayed setting - min
8000 A
Utilization category
B
Voltage rating at AC
690 V AC

Technical Data - Mechanical

Degree of protection
IP41 with door sealing frame
IP55 with protective cover
IP20
Device construction
Built-in device slide-in technique (withdrawable)
Mounting Method
Withdrawable
Number of auxiliary contacts (change-over contacts)
2
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Position of connection for main current circuit
Back side
Protection
System protection
Weight of cassette version (3-pole)
27 kg
Weight of cassette version (4-pole)
35 kg
Weight of fixed withdrawable version (3-pole)
70 kg
Weight of fixed withdrawable version (4-pole)
86 kg

Technical Data - Mechanical - Terminals

Terminal capacity (copper bar)
10 mm x 100 mm (4x) for withdrawable units (black)

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