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IZMX40B3-V40F 149676 EATON ELECTRIC Circuit-breaker, 3p, 4000 A, fixed View larger
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IZMX40B3-V40F 149676 EATON ELECTRIC Circuit-breaker, 3p, 4000 A, fixed

IZMX40B3-V40F

149676

EATON-MOELLER

Circuit-breaker, 3p, 4000 A, fixed

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Delivery program
Product range
 Air circuit-breakers/switch-disconnectors
Product range
 Open circuit-breakers
Current Range
 Up to 4000 A
Protective function
 Selective operation
Installation type
 Fixed
Main terminals must be separately ordered.
Construction size
 IZMX40
Release system
 Electronic release
Standard/Approval
 IEC
Number of poles
 3 pole
Degree of Protection
 IP20, IP55 with protective cover, IP41 door sealing frame
suitable for zone selectivity
optionally fittable by user with comprehensive accessories
Rated current = rated uninterrupted current
 In= Iu A 4000
up to 440 V 50/60 Hz
 Icu kA 66
up to 440 V 50/60 Hz
 Ics kA 66
Overload release, min.
 Ir A 2000
Overload release, max.
 Ir A 4000
Non-delayed
 Ii= Inx … 2 - 12, OFF
Delayed
 Isd= Irx … 2 - 10
Technical data
General
Standards
 IEC/EN 60947
Ambient temperature
Storage
 ϑ °C -40 - +70
Ambient temperature
 °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 4000
Rated uninterrupted current at 50 °C
 Iu A 4000
Rated uninterrupted current at 60 °C
 Iu A 3650
Rated uninterrupted current at 70 °C
 Iu A 3500
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 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 600
Weight
Fixed mounting
3-pole
 kg 43
4-pole
 kg 56
Terminal capacities
Copper bar
Fixed mounting
Black
 mm 4 x 100 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.

With vertical universal connection.
Technical data ETIM 7.0
Low-voltage industrial components (EG000017) / Power circuit-breaker for trafo/generator/installation protection (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] [AJZ716013])
Rated permanent current Iu
 A 4000
Rated voltage
 V 690 - 690
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
 kA 66
Overload release current setting
 A 2000 - 4000
Adjustment range short-term delayed short-circuit release
 A 8000 - 40000
Adjustment range undelayed short-circuit release
 A 8000 - 48000
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
With switched-off indicator
 Yes
With under voltage release
 No
Number of poles
 3
Position of connection for main current circuit
 Back side
Position of connection for main current circuit
 Rear
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
RES6403B52RNMNN2MN1X Circuit-breaker, 3p, 4000 A, fixed - EATON - IZMX40B3-V40F - 149676 266 Kbytes RES6403B52RNMNN2MN1X Circuit-breaker, 3p, 4000 A, fixed - EATON - IZMX40B3-V40F - 149676

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