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NZMN3-AEF450-NA 269279 EATON ELECTRIC Circuit-breaker, 3p, 450A
NZMN3-AEF450-NA
269279
EATON-MOELLER
Circuit-breaker, 3p, 450A
Int. Auto NZM, 3P, 450A, NA
Low-voltage industrial components > Power circuit-breaker for trafo/generator/installation protection
Circuit Breakers NZM
* Brand new product in its original packaging covered by the warranties and certifications provided by EATON-MOELLER
More info
▲Circuit-breaker, 3p, 450A
Circuit-breaker NZM3, 3 pole, Switching capacity SCCR 480Y/277 V 60 Hz( Icu ): 100 kA, Switching capacity SCCR 480 V 60 Hz( Icu ): 42 kA, Rated current = rated uninterrupted current (In = Iu ): 450 A, Installation type: Fixed, Screw connection, Standard/Approval: UL/CSA, IEC, Protective function: System and cable protection
General specifications
Product name
Eaton Moeller series NZM molded case circuit breaker electronic
Part no.
NZMN3-AEF450-NA
EAN
4015082692797
Product Length/Depth
166 millimetre
Product height
297 millimetre
Product width
140 millimetre
Product weight
6.34 kilogram
Compliances
RoHS conform
Certifications
CSA (File No. 22086)
CSA (Class No. 1432-01)
UL (File No. E31593)
IEC 60947-2
UL 489
CE marking
IEC/EN 60947
CSA-C22.2 No. 5-09
UL/CSA
CSA certified
UL listed
IEC
Specially designed for North America
UL (Category Control Number DIVQ)
CSA (Class No. 1432-01)
UL (File No. E31593)
IEC 60947-2
UL 489
CE marking
IEC/EN 60947
CSA-C22.2 No. 5-09
UL/CSA
CSA certified
UL listed
IEC
Specially designed for North America
UL (Category Control Number DIVQ)
Product Tradename
NZM
Product Type
Molded case circuit breaker
Product Sub Type
Electronic
Delivery program
Application
Branch circuits, feeder circuitsUse in unearthed supply systems at 690 V
Type
Circuit breaker
Circuit breaker frame type
NZM3
Number of poles
Three-pole
Amperage Rating
450 A
Release system
Electronic release
Features
Motor drive optional
Protection unit
Protection unit
Special features
Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)Rated current = rated uninterrupted current: 450 ASwitches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.Fixed overload releases IrR.m.s. value measurement and “thermal memory”
Technical Data - Electrical
Voltage rating
690 V - 690 V
Rated operating voltage Ue (UL) - max
600 V
Rated insulation voltage (Ui)
1000 V AC
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated operational current
450 A (660-690 V AC-3, making and breaking capacity)
450 A (690 V AC-1, making and breaking capacity)
500 A (415 V AC-1, making and breaking capacity)
630 A (380/400 V AC-1, making and breaking capacity)
450 A (690 V AC-1, making and breaking capacity)
500 A (415 V AC-1, making and breaking capacity)
630 A (380/400 V AC-1, making and breaking capacity)
Rated short-time withstand current (t = 0.3 s)
3.3 kA
Rated short-time withstand current (t = 1 s)
3.3 kA
Instantaneous current setting (Ii) - min
900 A
Instantaneous current setting (Ii) - max
3600 A
Overload current setting (Ir) - min
450 A
Overload current setting (Ir) - max
450 A
Short delay current setting (Isd) - min
0 A
Short delay current setting (Isd) - max
0 A
Short-circuit release non-delayed setting - min
900 A
Short-circuit release non-delayed setting - max
3600 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
85 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
35 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
13 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz
5 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
187 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
105 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
74 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
53 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
40 kA
Short-circuit total breaktime
< 10 ms
Electrical connection type of main circuit
Screw connection
Isolation
500 V AC (between auxiliary contacts and main contacts)
300 V AC (between the auxiliary contacts)
300 V AC (between the auxiliary contacts)
Number of operations per hour - max
120
Handle type
Rocker lever
Utilization category
A (IEC/EN 60947-2)
Overvoltage category
III
Pollution degree
3
Lifespan, electrical
2000 operations at 415 V AC-3
2000 operations at 690 V AC-3
3000 operations at 690 V AC-1
2000 operations at 400 V AC-3
5000 operations at 400 V AC-1
2000 operations at 690 V AC-3
3000 operations at 690 V AC-1
2000 operations at 400 V AC-3
5000 operations at 400 V AC-1
Direction of incoming supply
As required
Technical Data - Mechanical
Mounting Method
Fixed
Built-in device fixed built-in technique
Built-in device fixed built-in technique
Degree of protection
IP20 (basic degree of protection, in the operating controls area)
IP20
IP20
Degree of protection (IP), front side
IP40 (with insulating surround)
IP66 (with door coupling rotary handle)
IP66 (with door coupling rotary handle)
Degree of protection (terminations)
IP00 (terminations, phase isolator and strip terminal)
IP10 (tunnel terminal)
IP10 (tunnel terminal)
Protection against direct contact
Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Position of connection for main current circuit
Front side
Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78
Damp heat, constant, to IEC 60068-2-78
Special features
Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)Rated current = rated uninterrupted current: 450 ASwitches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.Fixed overload releases IrR.m.s. value measurement and “thermal memory”
Lifespan, mechanical
15000 operations
Technical Data - Mechanical - Terminals
Standard terminals
Screw terminal
Terminal capacity (control cable)
14 mm² - 18 mm² (1x)
16 mm² - 18 mm² (2x)
16 mm² - 18 mm² (2x)
Terminal capacity (aluminum solid conductor/cable)
16 mm² (1x) at tunnel terminal
Terminal capacity (aluminum stranded conductor/cable)
Max. 500 mm² (2x) at 2-hole tunnel terminal
Max. 500 mm² (1x) at 2-hole tunnel terminal
Max. 500 mm² (1x) at 2-hole tunnel terminal
Terminal capacity (copper busbar)
Max. 10 mm x 50 mm (2x) at rear-side width extension
Min. 20 mm x 5 mm direct at switch rear-side connection
M10 at rear-side screw connection
Min. 20 mm x 5 mm direct at switch rear-side connection
M10 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)
16 mm² - 185 mm² (1x) at tunnel terminal
500 mm² (2x) at rear-side width extension
500 mm² (2x) at rear-side width extension
Terminal capacity (copper stranded conductor/cable)
350 mm² (2x) direct at switch rear-side connection
4 mm² - 350 mm² (1x) direct at switch rear-side connection
2 mm² - 500 mm² (1x) at box terminal
4 mm² - 350 mm² (1x) at tunnel terminal
4 mm² - 350 mm² (1x) direct at switch rear-side connection
2 mm² - 500 mm² (1x) at box terminal
4 mm² - 350 mm² (1x) at tunnel terminal
Terminal capacity (copper strip)
Max. 10 segments of 24 mm x 1 mm + 5 segments of 24 mm x 1 mm
Min. 6 segments of 16 mm x 0.8 mm at rear-side connection (punched)
10 segments of 50 mm x 1 mm (2x) at rear-side width extension
Max. 10 segments of 32 mm x 1 mm + 5 segments of 32 mm x 1 mm at rear-side connection (punched)
Max. 8 segments of 24 mm x 1 mm (2x) at box terminal
Min. 6 segments of 16 mm x 0.8 mm at box terminal
Min. 6 segments of 16 mm x 0.8 mm at rear-side connection (punched)
10 segments of 50 mm x 1 mm (2x) at rear-side width extension
Max. 10 segments of 32 mm x 1 mm + 5 segments of 32 mm x 1 mm at rear-side connection (punched)
Max. 8 segments of 24 mm x 1 mm (2x) at box terminal
Min. 6 segments of 16 mm x 0.8 mm at box terminal
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
450 A
Equipment heat dissipation, current-dependent
60.75 W
Ambient operating temperature - min
-25 °C
Ambient operating temperature - max
70 °C
Ambient storage temperature - min
-40 °C
Ambient storage temperature - max
70 °C
Design verification as per IEC/EN 61439
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 Resist. of insul. mat. to abnormal heat/fire by internal elect. 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.
10.9.2 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.
Additional information
Functions
Current limiting circuit breaker
System and cable protection
System and cable protection
Technical data ETIM 9.0
Low-voltage industrial components (EG000017) / Power circuit-breaker for trafo/generator/installation protection (EC000228)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Circuit breaker for power transformer, generator and system protection (ecl@ss13-27-37-04-09 [AJZ716018])
Rated permanent current Iu
450 A
Rated voltage
690 - 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
50 kA
Overload release current setting
450 - 450 A
Adjustment range short-term delayed short-circuit release
0 - 0 A
Adjustment range undelayed short-circuit release
900 - 3600 A
Power loss
W
Device construction
Built-in device fixed built-in technique
Integrated earth fault protection
No
Type of electrical connection of main circuit
Screw connection
Suitable for DIN rail (top hat rail) mounting
No
DIN rail (top hat rail) mounting optional
No
Number of auxiliary contacts as normally closed contact
0
Number of auxiliary contacts as normally open contact
0
Number of auxiliary contacts as change-over contact
0
With switched-off indicator
No
With integrated under voltage release
No
Number of poles
3
Position of connection for main current circuit
Front side
Type of control element
Rocker lever
Complete device with protection unit
Yes
Motor drive integrated
No
Motor drive optional
Yes
Degree of protection (IP)
IP20
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| NZMN3-AEF450-NA 269279 EN_269279.pdf | 572 Kbytes |
 |
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