NZMN3-S250 109680 EATON MOELLER Circuit-breaker, 3p, 250A View larger
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NZMN3-S250 109680 EATON MOELLER Circuit-breaker, 3p, 250A

NZMN3-S250

109680

EATON - MOELLER

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Circuit-breaker, 3p, 250A

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Circuit Breakers Electrical Power

Circuit-breakers NZM - EATON - MOELLER

Compact circuit-breaker, up to 500A - EATON - MOELLER

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

*This price is per unit and is the net value (not including taxes if applicable).

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Delivery programme
Product range
  Circuit-breaker
Protective function
  Short-circuit protection
Standard/Approval
  IEC
Installation type
  Fixed
Release system
  Thermomagnetic release
Construction size
  NZM3
Description
  Motor protection in conjunction with overload relay
With short-circuit release
Without overload release Ir
IEC/EN 60947-4-1, IEC/EN 60947-2

The circuit-breaker fulfills all requirements for AC-3 switching category.

Number of poles
  3 pole
Standard equipment
  Screw connection
Rated current = rated uninterrupted current
In = IuA250
Switching capacity
   
400/415 V 50 Hz
IcukA50
Setting range
   
Short-circuit releases
General
Standards
  IEC/EN 60947
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
Ambient temperature
   
Ambient temperature, storage
 °C- 40 - + 80
Operation
 °C-25 - +70
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
 kg6.34
Mounting position
  
Vertical and 90° in all directions
 
Technical data for design verification
   
Rated operational current for specified heat dissipation
InA250
Equipment heat dissipation, current-dependent
PvidW68.25
Operating ambient temperature min.
 °C-25
Operating ambient temperature max.
 °C70
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) / Motor protection circuit-breaker (EC000074)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Motor protection circuit-breaker ([email protected] [AGZ529013])
Overload release current setting
 A0 - 0
Adjustment range undelayed short-circuit release
 A2000 - 3500
Thermal protection
  No
Phase failure sensitive
  No
Switch off technique
  Magnetic
Rated operating voltage
 V690 - 690
Rated permanent current Iu
 A250
Rated operation power at AC-3, 230 V
 kW75
Rated operation power at AC-3, 400 V
 kW132
Type of electrical connection of main circuit
  Screw connection
Type of control element
  Rocker lever
Device construction
  Built-in device fixed built-in technique
With integrated auxiliary switch
  No
With integrated under voltage release
  No
Number of poles
  3
Rated short-circuit breaking capacity lcu at 400 V, AC
 kA50
Degree of protection (IP)
  IP20
Height
 mm275
Width
 mm140
Depth
 mm166
Characteristics
>>

Datasheet - PDF

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