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NZMN3-ME450 284468 Y7-284468 EATON ELECTRIC Circuit-breaker, 3p, 450A
NZMN3-ME450
284468
Y7-284468
EATON-MOELLER
Circuit-breaker, 3p, 450A
NZMN3-ME450
Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 3p, 450A, NZMN3-ME450
Circuit-breakers of the NZM..-ME series cover all applications with only four compact sizes and are suitable for the IEC market. The mounting is always flexible due to the modular function groups. With electronic release for the motor protection with phase failure sensitivity. Notes: 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 at 6xIr as well as infinity (without overload release)
Low-voltage industrial components > Motor protection circuit-breaker
Circuit Breakers NZM
Brand new product in its original packaging covered by the warranties and certifications provided by EATON-MOELLER
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▲General specifications
Product Name
Eaton Moeller series NZM molded case circuit breaker electronic
Catalog Number
284468
Model Code
NZMN3-ME450
EAN
4015082844684
Product Length/Depth
166 mm
Product Height
275 mm
Product Width
140 mm
Product Weight
7.07 kg
Compliances
RoHS conform
Certifications
IEC/EN 60947
IEC
IEC
Product specifications
Type
Circuit breaker
Special features
Application
Use in unearthed supply systems at 690 V
Amperage Rating
450 A
Voltage rating
690 V - 690 V
Circuit breaker frame type
NZM3
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.
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.
Fitted with:
Thermal protection
Pollution degree
3
Mounting Method
Fixed
Built-in device fixed built-in technique
Built-in device fixed built-in technique
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, cyclic, to IEC 60068-2-30
Equipment heat dissipation, current-dependent
60.75 W
Utilization category
A (IEC/EN 60947-2)
Isolation
500 V AC (between auxiliary contacts and main contacts)
300 V AC (between the auxiliary contacts)
300 V AC (between the auxiliary contacts)
Ambient operating temperature - max
70 °C
Ambient operating temperature - min
-25 °C
Ambient storage temperature - max
70 °C
Ambient storage temperature - min
40 °C
Protection against direct contact
Finger and back-of-hand proof to VDE 0106 part 100
Rated insulation voltage (Ui)
1000 V
Rated operating power at AC-3, 230 V
132 kW
Rated operating power at AC-3, 400 V
250 kW
Switch off technique
Electronic
Degree of protection
IP20
IP20 (basic degree of protection, in the operating controls area)
IP20 (basic degree of protection, in the operating controls area)
Direction of incoming supply
As required
Electrical connection type of main circuit
Screw connection
Lifespan, mechanical
15000 operations
Overvoltage category
III
Rated operational current
437 A (400 V AC-3)
446 A (690 V AC-3)
446 A (690 V AC-3)
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)
IP10 (tunnel terminal)
IP00 (terminations, phase isolator and strip terminal)
IP00 (terminations, phase isolator and strip terminal)
Number of poles
Three-pole
Terminal capacity (copper strip)
Max. 10 segments of 24 mm x 1 mm + 5 segments of 24 mm x 1 mm 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. 8 segments of 24 mm x 1 mm (2x) at box terminal
Max. 10 segments of 32 mm x 1 mm + 5 segments of 32 mm x 1 mm at rear-side connection (punched)
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. 8 segments of 24 mm x 1 mm (2x) at box terminal
Max. 10 segments of 32 mm x 1 mm + 5 segments of 32 mm x 1 mm at rear-side connection (punched)
Lifespan, electrical
5000 operations at 400 V AC-1
2000 operations at 400 V AC-3
2000 operations at 415 V AC-3
3000 operations at 690 V AC-1
5000 operations at 415 V AC-1
2000 operations at 690 V AC-3
2000 operations at 400 V AC-3
2000 operations at 415 V AC-3
3000 operations at 690 V AC-1
5000 operations at 415 V AC-1
2000 operations at 690 V AC-3
Functions
Motor protection
Phase failure sensitive
Phase failure sensitive
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Rated operational current for specified heat dissipation (In)
450 A
Rated short-time withstand current (t = 0.3 s)
3.3 kA
Rated short-time withstand current (t = 1 s)
3.3 kA
Short-circuit release non-delayed setting - max
5400 A
Short-circuit release non-delayed setting - min
900 A
Handle type
Rocker lever
Instantaneous current setting (Ii) - max
6300 A
Instantaneous current setting (Ii) - min
450 A
Number of operations per hour - max
60
Overload current setting (Ir) - max
450 A
Overload current setting (Ir) - min
225 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
35 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
Standard terminals
Screw terminal
Optional terminals
Box terminal. Connection on rear. Tunnel terminal
Release system
Electronic release
Short-circuit total breaktime
< 10 ms
Terminal capacity (aluminum solid conductor/cable)
16 mm² (1x) at tunnel terminal
16 mm² (1x) direct at switch rear-side connection
10 mm² - 16 mm² (2x) direct at switch rear-side connection
16 mm² (1x) direct at switch rear-side connection
10 mm² - 16 mm² (2x) direct at switch rear-side connection
Terminal capacity (aluminum stranded conductor/cable)
25 mm² - 120 mm² (2x) direct at switch rear-side connection
25 mm² - 120 mm² (1x) direct at switch rear-side connection
25 mm² - 185 mm² (1x) at tunnel terminal
50 mm² - 240 mm² (1x) at 2-hole tunnel terminal
50 mm² - 240 mm² (2x) at 2-hole tunnel terminal
25 mm² - 120 mm² (1x) direct at switch rear-side connection
25 mm² - 185 mm² (1x) at tunnel terminal
50 mm² - 240 mm² (1x) at 2-hole tunnel terminal
50 mm² - 240 mm² (2x) at 2-hole tunnel terminal
Terminal capacity (control cable)
0.75 mm² - 1.5 mm² (2x)
0.75 mm² - 2.5 mm² (1x)
0.75 mm² - 2.5 mm² (1x)
Terminal capacity (copper busbar)
M10 at rear-side screw connection
Max. 10 mm x 50 mm (2x) at rear-side width extension
Max. 30 mm x 10 mm + 30 mm x 5 mm direct at switch rear-side connection
Min. 20 mm x 5 mm direct at switch rear-side connection
Max. 10 mm x 50 mm (2x) at rear-side width extension
Max. 30 mm x 10 mm + 30 mm x 5 mm direct at switch rear-side connection
Min. 20 mm x 5 mm direct at switch rear-side connection
Terminal capacity (copper solid conductor/cable)
16 mm² (1x) at tunnel terminal
16 mm² (1x) direct at switch rear-side connection
16 mm² (2x) direct at switch rear-side connection
300 mm² (2x) at rear-side width extension
16 mm² (2x) at box terminal
16 mm² (1x) direct at switch rear-side connection
16 mm² (2x) direct at switch rear-side connection
300 mm² (2x) at rear-side width extension
16 mm² (2x) at box terminal
Terminal capacity (copper stranded conductor/cable)
50 mm² - 240 mm² (2x) at 2-hole tunnel terminal
25 mm² - 120 mm² (2x) at box terminal
35 mm² - 240 mm² (1x) at box terminal
25 mm² - 240 mm² (2x) direct at switch rear-side connection
16 mm² - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 240 mm² (1x) direct at switch rear-side connection
25 mm² - 120 mm² (2x) at box terminal
35 mm² - 240 mm² (1x) at box terminal
25 mm² - 240 mm² (2x) direct at switch rear-side connection
16 mm² - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 240 mm² (1x) direct at switch rear-side connection
Rated short-circuit breaking capacity Icu (IEC/EN 60947) at 400/415 V, 50/60 Hz
35 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
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
187 kA
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
| Feature Name | Feature Value |
|---|---|
| Overload release current setting (EF002336) | 225 A |
| Adjustment range undelayed short-circuit release (EF007131) | 450 A |
| With thermal overload protection (EF006233) | Yes |
| Phase failure sensitive (EF007400) | Yes |
| Switch off technique (EF007007) | Electronic |
| Rated operating voltage (EF001435) | 690 V |
| Rated permanent current Iu (EF001389) | 450 A |
| Rated operation power at AC-3, 230 V (EF007025) | 132 kW |
| Rated operation power at AC-3, 400 V (EF001364) | 250 kW |
| Type of electrical connection of main circuit (EF006819) | Screw connection |
| Type of control element (EF006976) | Rocker lever |
| Device construction (EF008240) | Built-in device fixed built-in technique |
| With integrated auxiliary switch (EF001387) | No |
| With integrated under voltage release (EF001390) | No |
| Number of poles (EF001391) | 3 |
| Rated short-circuit breaking capacity Icu at 400 V, AC (EF007049) | 35 kA |
| Degree of protection (IP) (EF005474) | IP20 |
| Height (EF000040) | 275 mm |
| Width (EF000008) | 140 mm |
| Depth (EF000049) | 166 mm |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOGUE EATON EN .pdf | 38 Mbytes |
|
| NZMN3-ME450 Y7-284468 284468 FR_265895.pdf | 4 Mbytes |
|
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