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LZMC3-A400-I 111955 Y7-111955 EATON ELECTRIC Circuit-breaker, 3 p, 400A
LZMC3-A400-I
111955
Y7-111955
EATON-MOELLER
Circuit-breaker, 3 p, 400A
LZMC3-A400-I
Low-voltage industrial components > Power circuit-breaker for trafo/generator/installation protection
Circuit Breakers LZM
Brand new product in its original packaging covered by the warranties and certifications provided by EATON-MOELLER
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▲Circuit-breaker, 3 p, 400A
General specifications
Product name
Eaton Moeller series Power Defense molded case circuit-breaker
Part no.
LZMC3-A400-I
EAN
4015081115037
Product Length/Depth
166 millimetre
Product height
275 millimetre
Product width
140 millimetre
Product weight
5.8 kilogram
Compliances
RoHS conform
Certifications
VDE 0660
IEC/EN 60947
IEC
IEC/EN 60947
IEC
Product Tradename
Power Defense
Product Type
Molded case circuit breaker
Product Sub Type
None
Delivery program
Application
Use in unearthed supply systems at 690 V
Type
Circuit breaker
Circuit breaker frame type
LZM3
Number of poles
Three-pole
Amperage Rating
400 A
Release system
Thermomagnetic release
Features
Protection unit
Motor drive optional
Motor drive optional
Special features
Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)Rated current = rated uninterrupted current: 400 A
Technical Data - Electrical
Voltage rating
690 V - 690 V
Voltage rating (DC)
750 V DC
Rated insulation voltage (Ui)
1000 V AC
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated operational current
500 A (415 V AC-1, making and breaking capacity)
400 A (415 V AC-3, making and breaking capacity)
500 A (380/400 V AC-1, making and breaking capacity)
400 A (660-690 V AC-3, making and breaking capacity)
500 A (690 V AC -1, making and breaking capacity)
400 A (415 V AC-3, making and breaking capacity)
500 A (380/400 V AC-1, making and breaking capacity)
400 A (660-690 V AC-3, making and breaking capacity)
500 A (690 V AC -1, making and breaking capacity)
Rated short-time withstand current (t = 0.3 s)
3.3 kA
Rated short-time withstand current (t = 1 s)
3.3 kA
Instantaneous current setting (Ii) - min
2400 A
Instantaneous current setting (Ii) - max
4000 A
Overload current setting (Ir) - min
320 A
Overload current setting (Ir) - max
400 A
Short delay current setting (Isd) - min
0 A
Short delay current setting (Isd) - max
0 A
Short-circuit release non-delayed setting - min
2400 A
Short-circuit release non-delayed setting - max
4000 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
55 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
36 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
22.5 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
9 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
121 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
76 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
63 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
24 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
14 kA
Short-circuit total breaktime
< 10 ms
Electrical connection type of main circuit
Screw connection
Isolation
500 V AC (between auxiliary contacts and main contacts)
300 V AC (between the auxiliary contacts)
300 V AC (between the auxiliary contacts)
Number of operations per hour - max
60
Handle type
Rocker lever
Utilization category
A (IEC/EN 60947-2)
Overvoltage category
III
Pollution degree
3
Lifespan, electrical
5000 operations at 400 V AC-1
2000 operations at 400 V AC-3
3000 operations at 690 V AC-1
2000 operations at 690 V AC-3
2000 operations at 400 V AC-3
3000 operations at 690 V AC-1
2000 operations at 690 V AC-3
Direction of incoming supply
As required
Technical Data - Mechanical
Mounting Method
Built-in device fixed built-in technique
Fixed
Fixed
Degree of protection
IP20
In the area of the HMI devices: IP20 (basic protection type)
In the area of the HMI devices: IP20 (basic protection type)
Degree of protection (IP), front side
IP40 (with insulating surround)
IP66 (with door coupling rotary handle)
IP66 (with door coupling rotary handle)
Degree of protection (terminations)
IP00 (terminations, phase isolator and band terminal)
IP10 (tunnel terminal)
IP10 (tunnel terminal)
Protection against direct contact
Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Position of connection for main current circuit
Front side
Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78
Damp heat, constant, to IEC 60068-2-78
Special features
Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)Rated current = rated uninterrupted current: 400 A
Lifespan, mechanical
15000 operations
Technical Data - Mechanical - Terminals
Standard terminals
Screw terminal
Terminal capacity (copper busbar)
M10 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)
16 mm² - 185 mm² (1x) at tunnel terminal
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
400 A
Equipment heat dissipation, current-dependent
72.48 W
Design verification as per IEC/EN 61439
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.
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.
Additional information
Functions
System and cable protection
| Feature Name | Feature Value |
|---|---|
| Rated permanent current Iu (EF001389) | 400 A |
| Rated voltage (EF003977) | 690 V |
| Rated short-circuit breaking capacity Icu at 400 V, 50 Hz (EF007048) | 36 kA |
| Overload release current setting (EF002336) | 320 A |
| Adjustment range short-term delayed short-circuit release (EF007129) | 0 A |
| Adjustment range undelayed short-circuit release (EF007131) | 2400 A |
| Device construction (EF008240) | Built-in device fixed built-in technique |
| Integrated earth fault protection (EF007296) | No |
| Type of electrical connection of main circuit (EF006819) | Screw connection |
| Suitable for DIN rail (top hat rail) mounting (EF007250) | No |
| DIN rail (top hat rail) mounting optional (EF008904) | No |
| Number of auxiliary contacts as normally closed contact (EF001377) | 0 |
| Number of auxiliary contacts as normally open contact (EF001376) | 0 |
| Number of auxiliary contacts as change-over contact (EF003531) | 0 |
| With switched-off indicator (EF007006) | No |
| With integrated under voltage release (EF001390) | No |
| Number of poles (EF001391) | 3 |
| Position of connection for main current circuit (EF006671) | Front |
| Type of control element (EF006976) | Rocker lever |
| Complete device with protection unit (EF008906) | Yes |
| Motor drive integrated (EF006697) | No |
| Motor drive optional (EF007386) | Yes |
| Degree of protection (IP) (EF005474) | IP20 |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF EATON PRODUCT CATALOGUE LZM.pdf | 5 Mbytes |
|
| PDF CATALOGUE EATON EN .pdf | 38 Mbytes |
|
| LZMC3-A400-I Y7-111955 111955 EN_111955.pdf | 116 Kbytes |
|
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