Wyłącznik mocy 3-bieg.125A zabezp.silnik

  • szt.
  • Discount: -1,684.20 zł (40 %)
  • (Gross discount: -2,071.56 zł (40 %))
  • Gross price: 3,107.34 zł / szt. 2,526.29 zł / szt.

Wyłącznik mocy 3-bieg.125A zabezp.silnika NZMN2-M125

Program
Range
     Circuit-breaker
Protective function
     Motor protection
Standard/Approval
     IEC
Installation type
     Fixed mounted
Release system
     Thermomagnetic release
Construction size
     NZM2
Description
     Tripping class 10 A
IEC/EN 60947-4-1, IEC/EN 60947-2

The circuit-breaker fulfills all requirements for AC-3 switching category.
Number of conductors
     3 pole
Standard equipment
     Screw connection
Switching capacity
      
400/415 V 50/60 Hz
 Icu kA 50
Rated current = rated uninterrupted current
 In= Iu A 125
Setting range
      
Overload trip
      
Overload releases
 Ir A 100- 125
Short-circuit releases
      
Non-delayed
 Ii= Inx …   8 - 14
Motor rating AC-3 50/60 Hz
      
400 V
 P kW 45
Rated operational current
      
400 V
 Ie A 99
 
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
   °C  
Ambient temperature, storage
   °C -40- +80
Operation
   °C -25… +70
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27
   g 20 (half-sinusoidal shock 20 ms)
Safe isolation to VDE 0106 Part 101 and Part 101/A1
      
Between auxiliary contacts and main contacts
   V AC 500
between the auxiliary contacts
   V AC 300
Weight
   kg 2.345
Mounting position
      
Mounting position
    
Vertical and 90° in all directions
With residual-current release XFI:
- NZM1, N1, NZM2, N2: vertical and 90° in all directions
with plug-in adapter elements
- NZM1, N1, NZM2, N2: vertical, 90° right/left
with withdrawable unit:
- NZM3, N3: vertical, 90 ° left
- NZM4, N4: vertical
with remote operator:
- NZM2, N(S)2, NZM3, N(S)3, NZM4, N(S)4: vertical and 90° in all directions

 
Direction of incoming supply
     As required
Degree of protection
      
Device
     In the operating controls area: IP20 (basic degree of protection)
Enclosures
     With insulating surround: IP40, with door coupling rotary handle: IP66
Terminations
     Tunnel terminal: IP10
Phase isolator and strip terminal: IP00
Other technical data (sheet catalogue)
     Weight
Temperature dependency, Derating
Effective power loss
Circuit-breakers
Rated current = rated uninterrupted current
 In= Iu A 125
Rated surge voltage invariability
 Uimp    
Main contacts
   V 8000
Auxiliary contacts
   V 6000
Rated operational voltage
 Ue V AC 690
Rated operational voltage
 Ue V DC 750
 
    

1) Details apply for 3 pole system protection circuit-breaker with thermomagnetic release NZMN(H)1(2)(3)-A... to 500 A.

For rated operating voltage switching via 3 contacts:

DC correction factor for instantaneous release response value: NZM1: 1.25, NZM2: 1.35, NZM3: 1.45

Set value for Iiat DC = set value IiAC/correction factor DC

Switching of one pole via two series contacts   Switching of one pole via three series contacts
 
Overvoltage category/pollution degree
     III/3
Rated insulation voltage
 Ui V 1000
For use in IT electrical power networks
   V 690
Switching capacity
Rated short-circuit making capacity
 Icm    
240 V
 Icm kA 187
400/415 V
 Icm kA 105
440 V 50/60 Hz
 Icm kA 74
525 V 50/60 Hz
 Icm kA 53
690 V 50/60 H
 Ic kA 40
Rated short-circuit breaking capacity Icn
 Icn    
Icu to IEC/EN 60947 test cycle O-t-CO
 Icu kA  
240 V 50/60 Hz
 Icu kA 85
400/415 V 50/60 Hz
 Icu kA 50
440 V 50/60 Hz
 Icu kA 35
525 V 50/60 Hz
 Icu kA 25
690 V 50/60 Hz
 Icu kA 20
500 V DC
 Icu kA 30
750 V DC
 Icu kA 30
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO
 Ics kA  
240 V 50/60 Hz
 Ics kA 85
400/415 V 50/60 Hz
 Ics kA 50
440 V 50/60 Hz
 Ics kA 35
525 V 50/60 Hz
 Ics kA 25
690 V 50/60 Hz
 Ics kA 5
Maximum low-voltage h.b.c. fuse
   A gG/gL 355
 
     Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit-breaker.
Rated short-time withstand current
      
t = 0.3 s
 Icw kA 1.9
t = 1 s
 Icw kA 1.9
Utilization category to IEC/EN 60947-2
     A
Rated making and breaking capacity
      
Rated operational current
 Ie A  
AC-1
      
400 V
 Ie A 300
415 V
 Ie A 300
690 V
 Ie A 300
AC--3
      
400 V
 Ie A 125
415 V
 Ie A 125
690 V
 Ie A 125
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release)
 Operations   20000
Lifespan, electrical
      
AC-1
      
400 V V 50/60 Hz
 Operations   10000
415 V V 50/60 Hz
 Operations   10000
690 V 50/60 Hz
 Operations   7500
AC--3
      
400 V 50/60 Hz
 Operations   6500
415 V 50/60 Hz
 Operations   6500
690 V 50/60 Hz
 Operations   5000
Max. operating frequency
   Ops/h 120
Current heat losses per pole at Iuare based on the maximum rated operational current of the frame size.
   W 19
 
     For current heat loss per pole the specification refers to the maximum rated operational current of the frame size.
Total downtime in a short-circuit
   ms < 10
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
      
Box terminal
      
Solid
   mm2 1 x (4 - 16)
2 x (4 - 16)
Stranded
   mm2 1 x (25 - 185)
2 x (25 - 70)
Tunnel terminal
      
Solid
   mm2 1 x 16
Stranded
   mm2  
Stranded
   mm2 1 x (25 - 185)
Bolt terminal and rear-side connection
      
Direct on the switch
      
Solid
   mm2 1 x (4 - 16)
2 x (4 - 16)
Stranded
   mm2 1 x (25 - 185)
2 x (25 - 70)
Al conductors, Cu cable
      
 
      
Solid
   mm2 1 x 16
Stranded
   mm2  
Stranded
   mm2 1 x (25 - 185)
je nach Kabelhersteller bis zu 240 mm² anschließbar
Bolt terminal and rear-side connection
      
Flat copper strip, with holes
 min. mm 2 x 16 x 0.8
Flat copper strip, with holes
 max. mm 10 x 16 x 0.8
Cu strip (number of segments x width x segment thickness)
      
Box terminal
      
 
 min. mm2 2 x 9 x 0.8
 
 max. mm2 10 x 16 x 0.8
Bolt terminal and rear-side connection
      
Flat copper strip, with holes
 min. mm 2 x 16 x 0.8
Flat copper strip, with holes
 max. mm 10 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. mm2 16 x 5
 
 max. mm2 20 x 5
Control cables
      
 
   mm2 1 x (0.75 - 2.5)
2 x (0.75 - 1.5)
Technical data according to ETIM 4.0
Rated operation power at AC-3, 400 V
   kWh 55
With integrated auxiliary switch
     No
Rated permanent current Iu
   A 125
With integrated under voltage release
     No
Number of poles
     3
Degree of protection (IP)
     IP20
Connection type main current circuit
     Screw connection
Characteristics
Dimensions
Blow out area, minimum clearance to adjacent parts
Minimum clearance to adjacent parts

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