LZMB2-4-A250-I 116433 EATON MOELLER Circuit-breaker, 4 p, 250A View larger
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LZMB2-4-A250-I 116433 EATON MOELLER Circuit-breaker, 4 p, 250A

LZMB2-4-A250-I

116433

EATON - MOELLER

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Circuit-breaker, 4 p, 250A

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Circuit Breakers Electrical Power

Circuit-breakers LZM - EATON - MOELLER

Compact circuit-breaker, up to 300A - EATON - MOELLER

* Brand new produt in its original packing covered by the warranties and certifications provided by EATON - MOELLER

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Delivery programme
Product range
  Circuit-breaker
Protective function
  System and cable protection
Standard/Approval
  IEC
Installation type
  Fixed
Release system
  Thermomagnetic release
Construction size
  LZM2
Description
  Set value in neutral conductor is synchronous with set value Ir of main pole.
Number of poles
  4 pole
Standard equipment
  Screw connection
Switching capacity
   
400/415 V 50 Hz
IcukA25
Rated current = rated uninterrupted current
   
Rated current = rated uninterrupted current
In = IuA250
Neutral conductor
% of phase conductorCSA100
Setting range
   
Overload trip
   
General
Standards
  IEC/EN 60947, VDE 0660
Protection against direct contact
  Finger and back-of-hand proof to VDE 0106 part 100
Climatic proofing
  Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27
 g20 (half-sinusoidal shock 20 ms)
Safe isolation to EN 61140
   
Between auxiliary contacts and main contacts
 V AC500
between the auxiliary contacts
 V AC300
Weight
 kg3.5
Mounting position
  
Vertical and 90° in all directions
 
Basic equipment        
 Box terminal  - - -
 Screw connection -   
accessory consideration        
 Box terminals -   -
 Screw connection  - - 
 Tunnel terminal    
 connection on rear    
 Strip terminal - - - 
Round copper conductor
   
Box terminal
   
Solid
 mm21 x (4 - 16)
2 x (4 - 16)
Stranded
 mm21 x (25 - 185)
2 x (25 - 70)
Tunnel terminal
   
Solid
 mm21 x 16
Stranded
 mm2 
Stranded
 mm21 x (25 - 185)
Bolt terminal and rear-side connection
   
Direct on the switch
   
Solid
 mm21 x (4 - 16)
2 x (4 - 16)
Stranded
 mm21 x (25 - 185)
2 x (25 - 70)
Al conductors, Cu cable
   
 
   
Solid
 mm21 x 16
Stranded
 mm2 
Stranded
 mm21 x (25 - 185)
Bolt terminal and rear-side connection
   
Flat copper strip, with holes
min.mm2 x 16 x 0.8
Flat copper strip, with holes
max.mm10 x 16 x 0.8
Cu strip (number of segments x width x segment thickness)
   
Box terminal
   
 
min.mm2 x 9 x 0.8
 
max.mm10 x 16 x 0.8
Bolt terminal and rear-side connection
   
Flat copper strip, with holes
min.mm2 x 16 x 0.8
Flat copper strip, with holes
max.mm10 x 16 x 0.8
Copper busbar (width x thickness)
mm  
Bolt terminal and rear-side connection
   
Screw connection
  M8
Direct on the switch
   
 
min.mm16 x 5
 
max.mm20 x 5
Control cables
   
 
 mm21 x (0.75 - 2.5)
2 x (0.75 - 1.5)
Design verification as per IEC/EN 61439(Show features)(Hide features)
Technical data for design verification
   
Rated operational current for specified heat dissipation
InA250
Equipment heat dissipation, current-dependent
PvidW58.125
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
 A250
Rated voltage
 V690 - 690
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
 kA25
Overload release current setting
 A200 - 250
Adjustment range short-term delayed short-circuit release
 A0 - 0
Adjustment range undelayed short-circuit release
 A1500 - 2500
Integrated earth fault protection
  No
Type of electrical connection of main circuit
  Screw 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
  Yes
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
  0
Switched-off indicator available
  No
With under voltage release
  No
Number of poles
  4
Position of connection for main current circuit
  Front side
Type of control element
  Rocker lever
Complete device with protection unit
  Yes
Motor drive integrated
  No
Motor drive optional
  Yes
Degree of protection (IP)
  IP20
Characteristics
IL01206012Z circuit-breaker LZMB2, switch-disconnector LN2
 
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Datasheet - PDF

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