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EATON - MOELLER LZMN3-4-A320/200-I LZMN3-4-A320/200-I 111974 Y7-111974 EATON ELECTRIC Circuit-breaker, 4 p, 320A, 200A, in 4th pole View larger
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LZMN3-4-A320/200-I 111974 Y7-111974 EATON ELECTRIC Circuit-breaker, 4 p, 320A, 200A, in 4th pole

LZMN3-4-A320/200-I

111974

Y7-111974

EATON - MOELLER

1 Pcs.

Circuit-breaker, 4 p, 320A, 200A, in 4th pole LZM circuit breaker, 4P, 320A, 200A

Automation > Power circuit-breaker for trafo/generator/installation protection
Circuit Breakers LZM

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Product Overview

An Eaton Moeller circuit-breaker functions as an automatic electrical switch protecting systems from damage caused by overload or short-circuit conditions. These industrial components are typically installed inside electrical control cabinets to safeguard machinery and distribution lines.

Pricing, availability and lead time are confirmed per enquiry through an RFQ.

  • 400/415 V 50 Hz: I cu
  • Rated current = rated uninterrupted current: I n = I u
  • Neutral conductor: % of phase conductor
  • Rated operational current for specified heat dissipation: I n
  • Equipment heat dissipation, current-dependent: P vid
  • IL01208013Z LZMC3 circuit-breaker, LN3 switch-disconnector: >>
  • Rated permanent current Iu (EF001389): 320 A
  • Rated voltage (EF003977): 690 V
  • Overload release current setting (EF002336): 250 A
  • Adjustment range undelayed short-circuit release (EF007131): 1920 A
  • Power loss (EF005387): None W
  • Device construction (EF008240): Built-in device fixed built-in technique
  • Integrated earth fault protection (EF007296): false
  • Type of electrical connection of main circuit (EF006819): Screw connection
  • Suitable for DIN rail (top hat rail) mounting (EF007250): false
  • DIN rail (top hat rail) mounting optional (EF008904): false

More info

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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
 LZM3
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
 Icu kA 50
Rated current = rated uninterrupted current
Rated current = rated uninterrupted current
 In= Iu A 320
Neutral conductor
 % of phase conductor CSA 60
Neutral conductor protection
 Reduced neutral conductor protection
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
 g 20 (half-sinusoidal shock 20 ms)
Safe isolation to EN 61140
Between auxiliary contacts and main contacts
 V AC 500
between the auxiliary contacts
 V AC 300
Weight
 kg 8.4
Mounting position
 
Vertical and 90° in all directions
Technical data for design verification
Rated operational current for specified heat dissipation
 In A 320
Equipment heat dissipation, current-dependent
 Pvid W 94.0032
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 320
Rated voltage
 V 690 - 690
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
 kA 50
Overload release current setting
 A 250 - 320
Adjustment range short-term delayed short-circuit release
 A 0 - 0
Adjustment range undelayed short-circuit release
 A 1920 - 3200
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
 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
 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
IL01208013Z LZMC3 circuit-breaker, LN3 switch-disconnector
>>

Product Datasheet

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