NZMH2-S50 265743 EATON MOELLER Circuit-breaker, 3p, 50A View larger
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NZMH2-S50 265743 EATON MOELLER Circuit-breaker, 3p, 50A

NZMH2-S50

265743

EATON - MOELLER

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Circuit-breaker, 3p, 50A

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Circuit Breakers Electrical Power

Circuit-breakers NZM - EATON - MOELLER

Circuit-breakers, electronic releases, up to 250A - EATON - MOELLER

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

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1+$407.75
2+$405.13
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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
  NZM2
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 = IuA50
Switching capacity
   
400/415 V 50 Hz
IcukA150
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
 kg2.345
Mounting position
  
Vertical and 90° in all directions
 
Switching of one pole via two series contacts Switching of one pole via three series contacts
 
Basic equipment        
 Box terminal  - - -
 Screw connection -   
Accessories        
 Box terminal -   -
 Screw connection  - - 
 Tunnel terminal    
 Connection on rear    
 Flat conductor terminal - - - 
Round copper conductor
   
Box terminal
   
Solid
 mm21 x (10 - 16)
2 x (6-16)
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 (10 - 16)
2 x (10 - 16)
Stranded
 mm21 x (25 - 50)
2 x (25 - 50)
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 24 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
(2x) 8 x 15.5 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 24 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.mm24 x 8
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
InA50
Equipment heat dissipation, current-dependent
PvidW17.03
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
 A400 - 700
Thermal protection
  No
Phase failure sensitive
  No
Switch off technique
  Magnetic
Rated operating voltage
 V690 - 690
Rated permanent current Iu
 A50
Rated operation power at AC-3, 230 V
 kW15
Rated operation power at AC-3, 400 V
 kW22
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
 kA150
Degree of protection (IP)
  IP20
Height
 mm184
Width
 mm105
Depth
 mm149
Characteristics
>>

Datasheet - PDF

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