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NZMN4-ME550 265783 0004358907 EATON ELECTRIC Circuit-breaker, 3p, 550A
NZMN4-ME550
265783
0004358907
EATON-MOELLER
Circuit-breaker, 3p, 550A
NZMN4-ME550
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
More info
▲Circuit-breaker, 3p, 550A
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)
General specifications
Product name
Eaton Moeller series NZM molded case circuit breaker electronic
Part no.
NZMN4-ME550
EAN
4015082657833
Product Length/Depth
401 millimetre
Product height
207 millimetre
Product width
210 millimetre
Product weight
18.24 kilogram
Compliances
RoHS conform
Certifications
IEC/EN 60947
IEC
IEC
Product Tradename
NZM
Product Type
Molded case circuit breaker
Product Sub Type
Electronic
Delivery program
Application
Use in unearthed supply systems at 525 V
Type
Circuit breaker
Circuit breaker frame type
NZM4
Number of poles
Three-pole
Amperage Rating
550 A
Release system
Electronic release
Special features
IEC/EN 60947-4-1, IEC/EN 60947-2
The circuit-breaker fulfills all requirements for AC-3 switching category.
R.m.s. value measurement and “thermal memory”
Adjustable time delay setting to overcome current peaks tr at 6 x Ir also infinity (without overload releases)
All AC-3 rating data applies to direct switching by the circuit-breaker under normal operating conditions. If, for example, a contactor takes over AC-3 switching under normal operating conditions, the full rated uninterrupted current applies to the circuit-breaker, In = Iu.
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: 550 A
The circuit-breaker fulfills all requirements for AC-3 switching category.
R.m.s. value measurement and “thermal memory”
Adjustable time delay setting to overcome current peaks tr at 6 x Ir also infinity (without overload releases)
All AC-3 rating data applies to direct switching by the circuit-breaker under normal operating conditions. If, for example, a contactor takes over AC-3 switching under normal operating conditions, the full rated uninterrupted current applies to the circuit-breaker, In = Iu.
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: 550 A
Fitted with:
Thermal protection
Technical Data - Electrical
Voltage rating
690 V - 690 V
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
8000 V
Rated operational current
544 A (400 V AC-3)
550 A (690 V AC-3)
550 A (690 V AC-3)
Rated short-time withstand current (t = 0.3 s)
19.2 kA
Rated short-time withstand current (t = 1 s)
19.2 kA
Instantaneous current setting (Ii) - min
550 A
Instantaneous current setting (Ii) - max
7700 A
Overload current setting (Ir) - min
275 A
Overload current setting (Ir) - max
550 A
Short-circuit release non-delayed setting - min
1100 A
Short-circuit release non-delayed setting - max
7700 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
37 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
26 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
26 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
19 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz
15 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
105 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 operating power at AC-3, 230 V
160 kW
Rated operating power at AC-3, 400 V
315 kW
Short-circuit total breaktime
< 25 ms (≦ 415 V); < 35 ms (> 415 V)
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
60
Handle type
Rocker lever
Utilization category
B (IEC/EN 60947-2)
Overvoltage category
III
Pollution degree
3
Lifespan, electrical
2000 operations at 400 V AC-3
2000 operations at 690 V AC-1
3000 operations at 400 V AC-1
1000 operations at 690 V AC-3
3000 operations at 415 V AC-1
2000 operations at 415 V AC-3
2000 operations at 690 V AC-1
3000 operations at 400 V AC-1
1000 operations at 690 V AC-3
3000 operations at 415 V AC-1
2000 operations at 415 V AC-3
Direction of incoming supply
As required
Technical Data - Mechanical
Mounting Method
Built-in device fixed built-in technique
Fixed
Fixed
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 VDE 0106 part 100
Shock resistance
15 g (half-sinusoidal shock 11 ms)
Switch off technique
Electronic
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
Special features
IEC/EN 60947-4-1, IEC/EN 60947-2
The circuit-breaker fulfills all requirements for AC-3 switching category.
R.m.s. value measurement and “thermal memory”
Adjustable time delay setting to overcome current peaks tr at 6 x Ir also infinity (without overload releases)
All AC-3 rating data applies to direct switching by the circuit-breaker under normal operating conditions. If, for example, a contactor takes over AC-3 switching under normal operating conditions, the full rated uninterrupted current applies to the circuit-breaker, In = Iu.
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: 550 A
The circuit-breaker fulfills all requirements for AC-3 switching category.
R.m.s. value measurement and “thermal memory”
Adjustable time delay setting to overcome current peaks tr at 6 x Ir also infinity (without overload releases)
All AC-3 rating data applies to direct switching by the circuit-breaker under normal operating conditions. If, for example, a contactor takes over AC-3 switching under normal operating conditions, the full rated uninterrupted current applies to the circuit-breaker, In = Iu.
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: 550 A
Lifespan, mechanical
10000 operations
Technical Data - Mechanical - Terminals
Standard terminals
Screw terminal
Optional terminals
Connection on rear. Strip terminal. Tunnel terminal
Terminal capacity (control cable)
0.75 mm² - 2.5 mm² (1x)
0.75 mm² - 1.5 mm² (2x)
0.75 mm² - 1.5 mm² (2x)
Terminal capacity (aluminum solid conductor/cable)
70 mm² - 185 mm² (2x) at rear-side 1-hole module plate
240 mm² (2x) at rear-side width extension
50 mm² (4x) at rear-side 2-hole module plate
185 mm² - 240 mm² (1x) at rear-side 1-hole module plate
70 mm² - 240 mm² (6x) at rear-side width extension
240 mm² (2x) at rear-side width extension
50 mm² (4x) at rear-side 2-hole module plate
185 mm² - 240 mm² (1x) at rear-side 1-hole module plate
70 mm² - 240 mm² (6x) at rear-side width extension
Terminal capacity (aluminum stranded conductor/cable)
50 mm² - 240 mm² (4x) at 4-hole tunnel terminal
Terminal capacity (copper busbar)
Min. 60 mm x 10 mm at rear-side width extension
Max. 50 mm x 10 mm (2x) direct at switch rear-side connection
Min. 25 mm x 5 mm direct at switch rear-side connection
Min. 25 mm x 5 mm at rear-side 1-hole module plate
Max. 80 mm x 10 mm (2x) at rear-side width extension
50 mm x 10 mm (2x) at rear-side 2-hole module plate
Max. 50 mm x 10 mm (2x) at rear-side 1-hole module plate
M10 at rear-side screw connection
Max. 50 mm x 10 mm (2x) direct at switch rear-side connection
Min. 25 mm x 5 mm direct at switch rear-side connection
Min. 25 mm x 5 mm at rear-side 1-hole module plate
Max. 80 mm x 10 mm (2x) at rear-side width extension
50 mm x 10 mm (2x) at rear-side 2-hole module plate
Max. 50 mm x 10 mm (2x) at rear-side 1-hole module plate
M10 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)
120 mm² - 300 mm² (1x) at rear-side 1-hole module plate
300 mm² (4x) at rear-side width extension
95 mm² - 240 mm² (6x) at rear-side width extension
95 mm² - 185 mm² (2x) at rear-side 2-hole module plate
35 mm² - 185 mm² (4x) at rear-side 2-hole module plate
50 mm² - 240 mm² (4x) at 4-hole tunnel terminal
95 mm² - 300 mm² (2x) at rear-side 1-hole module plate
300 mm² (4x) at rear-side width extension
95 mm² - 240 mm² (6x) at rear-side width extension
95 mm² - 185 mm² (2x) at rear-side 2-hole module plate
35 mm² - 185 mm² (4x) at rear-side 2-hole module plate
50 mm² - 240 mm² (4x) at 4-hole tunnel terminal
95 mm² - 300 mm² (2x) at rear-side 1-hole module plate
Terminal capacity (copper stranded conductor/cable)
50 mm² - 185 mm² (4x) direct at switch rear-side connection
120 mm² - 185 mm² (1x) direct at switch rear-side connection
120 mm² - 185 mm² (1x) direct at switch rear-side connection
Terminal capacity (copper strip)
Min. 6 segments of 16 mm x 0.8 mm at flat conductor terminal
10 segments of 80 mm x 1 mm (2x) at rear-side width extension
Max. 10 segments of 32 mm x 1 mm (2x) at flat conductor terminal
10 segments of 50 mm x 1 mm (2x) at 1-hole module plate
Max. 10 segments of 50 mm x 1 mm (2x) at rear-side connection (punched)
Min. 5 segments of 25 mm x 1 mm at rear-side connection (punched)
10 segments of 80 mm x 1 mm (2x) at rear-side width extension
Max. 10 segments of 32 mm x 1 mm (2x) at flat conductor terminal
10 segments of 50 mm x 1 mm (2x) at 1-hole module plate
Max. 10 segments of 50 mm x 1 mm (2x) at rear-side connection (punched)
Min. 5 segments of 25 mm x 1 mm at rear-side connection (punched)
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
550 A
Equipment heat dissipation, current-dependent
33.58 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
Motor protection
Phase failure sensitive
Phase failure sensitive
Technical data ETIM 9.0
Low-voltage industrial components (EG000017) / Motor protection circuit-breaker (EC000074)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Motor protection circuit-breaker (ecl@ss13-27-37-04-01 [AGZ529021])
Overload release current setting
275 - 550 A
Adjustment range undelayed short-circuit release
550 - 7700 A
With thermal overload protection
Yes
Phase failure sensitive
Yes
Switch off technique
Electronic
Rated operating voltage
690 - 690 V
Rated permanent current Iu
550 A
Rated operation power at AC-3, 230 V
160 kW
Rated operation power at AC-3, 400 V
315 kW
Power loss
W
Type of electrical connection of main circuit
Screw connection
Type of control element
Rocker lever
Device construction
Built-in device fixed built-in technique
With integrated auxiliary switch
No
With integrated under voltage release
No
Number of poles
3
Rated short-circuit breaking capacity lcu at 400 V, AC
26 kA
Degree of protection (IP)
IP20
Height
207 mm
Width
210 mm
Depth
401 mm
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| NZMN4-ME550 0004358907 265783 EN_265783.pdf | 125 Kbytes |
 |
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