NZMH4-ME875-S1 290384 EATON MOELLER Circuit-breaker, 3p, 875A 1000V View larger
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NZMH4-ME875-S1 290384 EATON MOELLER Circuit-breaker, 3p, 875A 1000V

NZMH4-ME875-S1

290384

EATON - MOELLER

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Circuit-breaker, 3p, 875A 1000V

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Circuit Breakers Electrical Power

Circuit-breakers NZM - EATON - MOELLER

Motor protection for 1000V 50/60Hz - EATON - MOELLER

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Delivery programme
Product range
  Circuit-breaker
Protective function
  Motor protection
Standard/Approval
  IEC
Installation type
  Fixed
Release system
  Electronic release
Construction size
  NZM4
Description
  Phase-failure sensitivity
IEC/EN 60947-4-1, IEC/EN 60947-2
R.m.s. value measurement and “thermal memory”
adjustable time delay setting to overcome current peaks tr: 2 – 20 s at 6 x Ir also infinity (without overload releases)
NZM...S1 terminal type: NZM...XKSA cover required
NZM4...S1 terminal type: Insulated busbar connection (NZM4-XKS screw connection)
Number of poles
  3 pole
Standard equipment
  Screw connection
Rated current = rated uninterrupted current
In = IuA875
Switching capacity
   
1000 V 50/60 Hz
IcskA20
Setting range
   
Overload trip
   
Switch-disconnectors
Rated surge voltage invariability
Uimp  
Main contacts
 V8000
Auxiliary contacts
 V6000
Rated operational voltage
UeV AC1000
Rated current = rated uninterrupted current
In = IuA875
Rated uninterrupted current
IuA 
IEC/EN 61131-3
IuA875
 
  The rated uninterrupted current stated is valid at 40° C.
Overvoltage category/pollution degree
  III/3
Rated insulation voltage
UiV1000
Utilization category
  A/B
Rated short-circuit making capacity
1000 V 50/60 Hz
IcmkA40
Rated short-circuit breaking capacity Icn
Icu to IEC/EN 60947 test cycle O-t-CO
IcukA 
1000 V 50/60 Hz
IcskA20
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO
IcskA 
1000 V AC
IcskA15
Rated short-time withstand current
t = 0.3 s
IcwkA19.2
t = 1 s
IcwkA19.2
Lifespan, mechanical
Operations 10000
Max. operating frequency
 Ops/h60
 
  Lifespan, mechanical: of which max. 50 % trip by shunt/undervoltage release
Lifespan, electrical
1000 V 50/60 Hz
Operations 500
Terminal capacity
Standard equipment
  Screw connection
Overview
  
Basic equipment        
 Box terminal  - - -
 Screw connection -   
Accessories        
 Box terminal -   -
 Screw connection  - - 
 Tunnel terminal    
 Connection on rear    
 Flat conductor terminal - - - 
Round copper conductor
   
Tunnel terminal
   
Stranded
 mm2 
4-hole
 mm24 x (50 - 240)
Bolt terminal and rear-side connection
   
Module plate
   
Single hole
min.mm21 x (185 - 240)
Single hole
max.mm22 x (70 - 185)
Module plate
   
Double hole
min.mm24 x 50
Double hole
max.mm24 x (35 - 185)
Connection width extension
 mm2 
Connection width extension
 mm22 x 240
6 x (70 - 240)
Al conductors, Cu cable
   
 
   
Stranded
 mm2 
4-hole
 mm24 x (50 - 240)
Bolt terminal and rear-side connection
   
Flat copper strip, with holes
min.mm(2 x) 10 x 50 x 1.0
Flat copper strip, with holes
max.mm(2 x) 10 x 50 x 1.0
Connection width extension
 mm(2 x) 10 x 80 x 1.0
Cu strip (number of segments x width x segment thickness)
   
Flat conductor terminal
   
 
min.mm6 x 16 x 0.8
 
max.mm(2 x) 10 x 32 x 1.0
Module plate
   
Single hole
 mm(2 x) 10 x 50 x 1.0
Bolt terminal and rear-side connection
   
Flat copper strip, with holes
min.mm(2 x) 10 x 50 x 1.0
Flat copper strip, with holes
max.mm(2 x) 10 x 50 x 1.0
Connection width extension
 mm(2 x) 10 x 80 x 1.0
Copper busbar (width x thickness)
mm  
Bolt terminal and rear-side connection
   
Screw connection
  M10
Direct on the switch
   
 
min.mm25 x 5
 
max.mm2 x (50 x 10)
2 x (80 x 10)
Module plate
   
Single hole
min.mm25 x 5
Single hole
max.mm2 x (50 x 10)
Module plate
   
Double hole
 mm2 x (50 x 10)
Connection width extension
 mm 
Connection width extension
min.mm60 x 10
Connection width extension
max.mm2 x (80 x 10)
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
InA875
Equipment heat dissipation, current-dependent
PvidW84.98
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
 A438 - 875
Adjustment range undelayed short-circuit release
 A875 - 12250
Thermal protection
  No
Phase failure sensitive
  Yes
Switch off technique
  Electronic
Rated operating voltage
 V1000 - 1000
Rated permanent current Iu
 A875
Rated operation power at AC-3, 230 V
 kW250
Rated operation power at AC-3, 400 V
 kW500
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
 mm207
Width
 mm210
Depth
 mm401
Characteristics
IL01210010Z (AWA1230-2022) Circuit-Breaker, basic unit
 
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Datasheet - PDF

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