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IZMX40N4-A20F 149889 EATON ELECTRIC Circuit-breaker, 4p, 2000 A, fixed View larger
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IZMX40N4-A20F 149889 EATON ELECTRIC Circuit-breaker, 4p, 2000 A, fixed

IZMX40N4-A20F

149889

EATON-MOELLER

Circuit-breaker, 4p, 2000 A, fixed

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Delivery programme
Product range
 Air circuit-breakers/switch-disconnectors
Product range
 Open circuit-breakers
Current Range
 Up to 4000 A
Protective function
 System protection
Installation type
 Fixed
Construction size
 IZMX40
Release system
 Electronic release
Standard/Approval
 IEC
Number of poles
 4 pole
Degree of Protection
 IP20, IP55 with protective cover, IP41 door sealing frame
optionally fittable by user with comprehensive accessories
Rated current = rated uninterrupted current
 In= Iu A 2000
Breaking capacity Icu = Ics to 440 V 50/60 Hz
 Icu kA 85
Breaking capacity Ics to 440 V 50/60 Hz
 Ics kA 85
Overload release, min.
 Ir A 1000
Overload release, max.
 Ir A 2000
Non-delayed
 Ii= Inx … 2 - 12
Notes

Main terminals must be separately ordered.

Technical data
General
Standards
 IEC/EN 60947
Ambient temperature
Storage
 ϑ °C -40 - +70
Operating (open)
 °C -25 - +70
Mounting position
 >
>
Utilization category
 B
Degree of Protection
 IP20, IP55 with protective cover, IP41 door sealing frame
Direction of incoming supply
 as required
Main conducting paths
Rated current = rated uninterrupted current
 In= Iu A 2000
Rated uninterrupted current at 50 °C
 Iu A 2000
Rated uninterrupted current at 60 °C
 Iu A 2000
Rated uninterrupted current at 70 °C
 Iu A 2000
Rated impulse withstand voltage
 Uimp V AC 12000
Rated operational voltage
 Ue V AC 690
Use in IT electrical power networks up to U = 440 V
 IIT kA 57.6
Overvoltage category/pollution degree
 III/3
Rated insulation voltage
 Ui V 1000
Switching capacity
Rated short-circuit making capacity
 Icm
up to 440 V 50/60 Hz
 Icm kA 187
up to 690 V 50/60 Hz
 Icm kA 166
Rated short-time withstand current 50/60 Hz
t = 1 s
 Icw kA 85
t = 3 s
 Icw kA 66
Rated short-circuit breaking capacity Icn
 Icn
IEC/EN 60947 operating sequence IcuO-t-CO
up to 240 V 50/60 Hz
 Icu kA 85
up to 440 V 50/60 Hz
 Icu kA 85
up to 690 V 50/60 Hz
 Icu kA 75
IEC/EN 60947 operating sequence IcsO-t-CO-t-CO
up to 240 V 50/60 Hz
 Ics kA 85
up to 440 V 50/60 Hz
 Ics kA 85
up to 690 V 50/60 Hz
 Ics kA 75
Operating times
Closing delay via spring release
 ms 35
Total opening delay via shunt release
 ms 22
Total opening delay via undervoltage release
 ms 37
Total opening delay on non-delayed short-circuit release (up to complete arc quenching)
 ms 45
Maximum operating frequency
 Operations/h 60
Heat dissipation at rated current In
Fixed mounting
 W 150
Weight
Fixed mounting
3-pole
 kg 43
4-pole
 kg 56
Terminal capacities
Copper bar
Fixed mounting
Black
 mm 2 x 80 x 10
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.


Permissible continuous current for circuit‐breakers operating in switchboards at various internal ambient temperatures. The switchboard’s internal ambient temperature should be estimated using the calculation methods of IEC regulation.
Design verification as per IEC/EN 61439(Show features)(Hide features)
Technical data for design verification
Rated operational current for specified heat dissipation
 In A 2000
Equipment heat dissipation, current-dependent
 Pvid W 150
Operating ambient temperature min.
 °C -25
Operating ambient temperature max.
 °C 70
IEC/EN 61439 design verification
10.2 Strength of materials and parts
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 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric 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 Insulation properties
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.
Technical data ETIM 6.0
Low-voltage industrial components (EG000017) / Power circuit-breaker for trafo/generator/installation prot. (EC000228)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Circuit breaker for power transformer, generator and system protection ([email protected] [AJZ716010])
Rated permanent current Iu
 A 2000
Rated voltage
 V 690 - 690
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
 kA 85
Overload release current setting
 A 1000 - 2000
Adjustment range short-term delayed short-circuit release
 A 0 - 0
Adjustment range undelayed short-circuit release
 A 4000 - 24000
Integrated earth fault protection
 No
Type of electrical connection of main circuit
 Rail connection
Device construction
 Built-in device fixed built-in technique
Suitable for DIN rail (top hat rail) mounting
 No
DIN rail (top hat rail) mounting optional
 No
Number of auxiliary contacts as normally closed contact
 0
Number of auxiliary contacts as normally open contact
 0
Number of auxiliary contacts as change-over contact
 2
Switched-off indicator available
 Yes
With under voltage release
 No
Number of poles
 4
Position of connection for main current circuit
 Back side
Type of control element
 Push button
Complete device with protection unit
 Yes
Motor drive integrated
 No
Motor drive optional
 Yes
Degree of protection (IP)
 IP20

Datasheet - PDF

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Title: Size: Type:
PDF CATALOGUE EATON EN.pdf 51 Mbytes
39 Kbytes

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