IZMX40B4-U08F 149869 EATON ELECTRIC Circuit-breaker, 4p, 800 A, fixed View larger
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IZMX40B4-U08F 149869 EATON ELECTRIC Circuit-breaker, 4p, 800 A, fixed

IZMX40B4-U08F

149869

EATON-MOELLER

Circuit-breaker, 4p, 800 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
Universal 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
suitable for zone selectivity
suitable for communication
integrated system monitor and 4-character display
optionally fittable by user with comprehensive accessories
Rated current = rated uninterrupted current
In= Iu A 800
Breaking capacity Icu = Ics to 440 V 50/60 Hz
Icu kA 66
Breaking capacity Ics to 440 V 50/60 Hz
Ics kA 66
Overload release, min.
Ir A 400
Overload release, max.
Ir A 800
Non-delayed
Ii= Inx … 2 - 12, OFF
Delayed
Isd= Irx … 2 - 10
Notes

Main terminals not included, need to be ordered separately.

Technical data
General
Standards
IEC/EN 60947
Ambient temperature
Storage
ϑ °C -25 - +70 (device with LCD-display -20 - +70)
Operating (open)
°C -25 - +70 (device with LCD-display -20 - +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 800
Rated uninterrupted current at 50 °C
Iu A 800
Rated uninterrupted current at 60 °C
Iu A 800
Rated uninterrupted current at 70 °C
Iu A 800
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 36
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 145
up to 690 V 50/60 Hz
Icm kA 145
Rated short-time withstand current 50/60 Hz
t = 1 s
Icw kA 66
t = 3 s
Icw kA 53
Rated short-circuit breaking capacity Icn
Icn
IEC/EN 60947 operating sequence IcuO-t-CO
up to 240 V 50/60 Hz
Icu kA 66
up to 440 V 50/60 Hz
Icu kA 66
up to 690 V 50/60 Hz
Icu kA 66
IEC/EN 60947 operating sequence IcsO-t-CO-t-CO
up to 240 V 50/60 Hz
Ics kA 66
up to 440 V 50/60 Hz
Ics kA 66
up to 690 V 50/60 Hz
Ics kA 66
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 35
Weight
Fixed mounting
3-pole
kg 43
4-pole
kg 56
Terminal capacities
Copper bar
Fixed mounting
Black
mm 1 x 60 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 800
Equipment heat dissipation, current-dependent
Pvid W 35
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 800
Rated voltage
V 690 - 690
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
kA 66
Overload release current setting
A 400 - 800
Adjustment range short-term delayed short-circuit release
A 1600 - 8000
Adjustment range undelayed short-circuit release
A 1600 - 9600
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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