Molded Case Circuit Breaker. Circuit-breaker, 3p, 320A, busbar terminal for CU N, frame 3, A320
- szt.
- Discount: -2,865.46 zł (40 %)
- (Gross discount: -3,524.52 zł (40 %))
- Gross price: 5,286.77 zł / szt. 4,298.19 zł / szt.
Wyłącznik NZMN3-A320
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
|
NZM3 | ||
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
|
|||
Rated current = rated uninterrupted current
|
In= Iu | A | 320 |
Setting range
|
|||
Overload trip
|
|||
Overload releases
|
Ir | A | 250- 320 |
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
|
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 | 6.34 | |
Mounting position
|
|||
Mounting position
|
|
||
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 | 320 |
Rated surge voltage invariability
|
Uimp | ||
Main contacts
|
V | 8000 | |
Auxiliary contacts
|
V | 6000 | |
Rated operational voltage
|
Ue | V AC | 690 |
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 | 13 |
690 V 50/60 Hz
|
Ics | kA | 5 |
|
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 | 3.3 |
t = 1 s
|
Icw | kA | 3.3 |
Utilization category to IEC/EN 60947-2
|
A | ||
Rated making and breaking capacity
|
|||
Rated operational current
|
Ie | A | |
AC-1
|
|||
400 V
|
Ie | A | 630 |
415 V
|
Ie | A | 500 |
690 V
|
Ie | A | 630 |
AC--3
|
|||
400 V
|
Ie | A | 320 |
415 V
|
Ie | A | 320 |
690 V
|
Ie | A | 320 |
DC - -1
|
|||
500 V DC
|
Ie | CSA | 500 |
750 V DC
|
Ie | CSA | 500 |
DC - 3
|
|||
500 V DC
|
Ie | CSA | 500 |
750 V DC
|
Ie | CSA | 500 |
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release)
|
Operations | 15000 | |
Lifespan, electrical
|
|||
AC-1
|
|||
400 V V 50/60 Hz
|
Operations | 5000 | |
415 V V 50/60 Hz
|
Operations | 5000 | |
690 V 50/60 Hz
|
Operations | 3000 | |
AC--3
|
|||
400 V 50/60 Hz
|
Operations | 2000 | |
415 V 50/60 Hz
|
Operations | 2000 | |
690 V 50/60 Hz
|
Operations | 2000 | |
DC - -1
|
|||
500 V DC
|
Operations | 5000 | |
750 V DC
|
Operations | 5000 | |
DC - 3
|
|||
500 V DC
|
Operations | 2000 | |
750 V DC
|
Operations | 2000 | |
Max. operating frequency
|
Ops/h | 60 | |
Current heat losses per pole at Iuare based on the maximum rated operational current of the frame size.
|
W | 31 | |
|
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 | ||
Round copper conductor
|
|||
Tunnel terminal
|
|||
Solid
|
mm2 | 1 x (16 - 185) | |
Copper busbar (width x thickness)
|
mm | ||
Bolt terminal and rear-side connection
|
|||
Screw connection
|
M10 |
Technical data according to ETIM 4.0
Number of poles
|
3 | ||
Rated uninterrupted current Iu
|
A | 320 | |
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
|
A | 3200 | |
Setting range short-term delayed short-circuit release
|
A | 0 | |
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
|
kA | 50 | |
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
|
A | 320 |
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