Wyłącznik mocy 3-bieg. 250A BG2

  • szt.
  • Discount: -2,600.90 zł (40 %)
  • (Gross discount: -3,199.11 zł (40 %))
  • Gross price: 4,798.67 zł / szt. 3,901.36 zł / szt.
Wyłącznik mocy 3-bieg. 250A BG2 NZMN2-A250
Program
Range
  Circuit-breaker
Protective function
  System and cable protection
Photovoltaic applications
Standard/Approval
  IEC
Installation type
  Fixed mounted
Release system
  Thermomagnetic release
Construction size
  NZM2
Number of conductors
  3 pole
Standard equipment
  Screw connection
Switching capacity
   
400/415 V 50/60 Hz
IcukA50
Rated current = rated uninterrupted current
   
Rated current = rated uninterrupted current
In= IuA250
Setting range
   
Overload trip
   
Overload releases
IrA200- 250
Short-circuit releases
   
Non-delayed
Ii= Inx … 6 - 10
 
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
 g20 (half-sinusoidal shock 20 ms)
Safe isolation to VDE 0106 Part 101 and Part 101/A1
   
Between auxiliary contacts and main contacts
 V AC500
between the auxiliary contacts
 V AC300
Weight
 kg2.345
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= IuA250
Rated surge voltage invariability
Uimp  
Main contacts
 V8000
Auxiliary contacts
 V6000
Rated operational voltage
UeV AC690
Rated operational voltage
UeV DC750
 
  

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 contactsSwitching of one pole via three series contacts
Overvoltage category/pollution degree
  III/3
Rated insulation voltage
UiV 1000
For use in IT electrical power networks
 V690
Switching capacity
Rated short-circuit making capacity
Icm  
240 V
IcmkA187
400/415 V
IcmkA105
440 V 50/60 Hz
IcmkA74
525 V 50/60 Hz
IcmkA53
690 V 50/60 H
IckA40
Rated short-circuit breaking capacity Icn
Icn  
Icu to IEC/EN 60947 test cycle O-t-CO
IcukA 
240 V 50/60 Hz
IcukA85
400/415 V 50/60 Hz
IcukA50
440 V 50/60 Hz
IcukA35
525 V 50/60 Hz
IcukA25
690 V 50/60 Hz
IcukA20
500 V DC
IcukA30
750 V DC
IcukA30
Ics to IEC/EN 60947 test cycle O-t-CO-t-CO
IcskA 
240 V 50/60 Hz
IcskA85
400/415 V 50/60 Hz
IcskA50
440 V 50/60 Hz
IcskA35
525 V 50/60 Hz
IcskA25
690 V 50/60 Hz
IcskA5
Maximum low-voltage h.b.c. fuse
 A gG/gL355
 
  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
IcwkA1.9
t = 1 s
IcwkA1.9
Utilization category to IEC/EN 60947-2
  A
Rated making and breaking capacity
   
Rated operational current
IeA 
AC-1
   
400 V
IeA300
415 V
IeA300
690 V
IeA300
AC--3
   
400 V
IeA250
415 V
IeA250
690 V
IeA250
DC - -1
   
500 V DC
IeCSA250
750 V DC
IeCSA250
DC - 3
   
500 V DC
IeCSA250
750 V DC
IeCSA250
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
DC - -1
   
500 V DC
 Operations7500
750 V DC
 Operations7500
DC - 3
   
500 V DC
Operations 3000
750 V DC
Operations 3000
Max. operating frequency
 Ops/h120
Current heat losses per pole at Iuare based on the maximum rated operational current of the frame size.
 W19
 
  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
 mm21 x (4 - 16)
2 x (4 - 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 (4 - 16)
2 x (4 - 16)
Stranded
 mm21 x (25 - 185)
2 x (25 - 70)
Al conductors, Cu cable
   
 
   
Solid
 mm21 x 16
Stranded
 mm2 
Stranded
 mm21 x (25 - 185)
je nach Kabelhersteller bis zu 240 mm² anschließbar
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 16 x 0.8
Cu strip (number of segments x width x segment thickness)
   
Box terminal
   
 
min.mm22 x 9 x 0.8
 
max.mm210 x 16 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 16 x 0.8
Copper busbar (width x thickness)
mm  
Bolt terminal and rear-side connection
   
Screw connection
  M8
Direct on the switch
   
 
min.mm216 x 5
 
max.mm220 x 5
Control cables
   
 
 mm21 x (0.75 - 2.5)
2 x (0.75 - 1.5)
Technical data according to ETIM 4.0
Number of poles
  3
Rated uninterrupted current Iu
 A250
Number of auxiliary contacts as N/Cs
  0
Number of auxiliary contacts as N/Os
  0
Device construction
  Built-in device fixed built-in technique
With under voltage release
  No
Motor operator optional
  YES
Integrated earth fault protection
  No
Suitable for DIN rail (top hat rail) mounting
  No
Setting range non-delayed short-circuit release
 A2500
Setting range short-term delayed short-circuit release
 A0
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
 kA50
Switched-off indicator available
  No
Type of control element
  Toggle lever
Connection type main current circuit
  Screw connection
Motor operator integrated
  No
Position of connection for main circuit
  Front connection
Protection type (IP)
  IP20
Number of auxiliary contacts as changeover contact
  0
Setting range of overload releases
 A250
Characteristics
Dimensions
Blow out area, minimum clearance to adjacent parts
Minimum clearance to adjacent parts

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