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NZMN3-A250-BT 174618 Y7-174618 EATON ELECTRIC Circuit-breaker, 3 p, 250A, box terminals
NZMN3-A250-BT
174618
Y7-174618
EATON-MOELLER
Circuit-breaker, 3 p, 250A, box terminals
NZMN3-A250-BT
Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 3 p, 250A, box terminals
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
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▲General specifications
Product Name
Eaton Moeller series NZM molded case circuit breaker thermo-magnetic
Catalog Number
174618
Model Code
NZMN3-A250-BT
EAN
4015081710737
Product Length/Depth
166 mm
Product Height
275 mm
Product Width
140 mm
Product Weight
6.66 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
250 A
Voltage rating
690 V - 690 V
Circuit breaker frame type
NZM3
Features
Protection unit
Motor drive optional
Motor drive optional
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.
Pollution degree
3
Mounting Method
Fixed
Built-in device fixed built-in technique
Built-in device fixed built-in technique
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
Equipment heat dissipation, current-dependent
51.56 W
Utilization category
A (IEC/EN 60947-2)
Isolation
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts)
500 V AC (between auxiliary contacts and main 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
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Protection against direct contact
Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Degree of protection
IP20 (basic degree of protection, in the operating controls area)
IP20
IP20
Direction of incoming supply
As required
Electrical connection type of main circuit
Frame clamp
Lifespan, mechanical
15000 operations
Overvoltage category
III
Degree of protection (IP), front side
IP66 (with door coupling rotary handle)
IP40 (with insulating surround)
IP40 (with insulating surround)
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
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
Min. 6 segments of 16 mm x 0.8 mm at rear-side connection (punched)
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
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
Min. 6 segments of 16 mm x 0.8 mm at rear-side connection (punched)
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
Lifespan, electrical
5000 operations at 400 V AC-1
3000 operations at 690 V AC-1
5000 operations at 415 V AC-1
3000 operations at 690 V AC-1
5000 operations at 415 V AC-1
Functions
System and cable protection
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Position of connection for main current circuit
Front side
Rated operational current for specified heat dissipation (In)
250 A
Release system
Thermomagnetic release
Short-circuit total breaktime
< 10 ms
Rated short-time withstand current (t = 0.3 s)
3.3 kA
Rated short-time withstand current (t = 1 s)
3.3 kA
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)
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
M10 at rear-side screw 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
M10 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)
300 mm² (2x) at rear-side width extension
16 mm² (1x) at tunnel terminal
16 mm² (1x) direct at switch rear-side connection
16 mm² (2x) direct at switch rear-side connection
16 mm² (2x) at box terminal
16 mm² (1x) at tunnel terminal
16 mm² (1x) direct at switch rear-side connection
16 mm² (2x) direct at switch rear-side connection
16 mm² (2x) at box terminal
Terminal capacity (aluminum solid conductor/cable)
16 mm² (1x) at tunnel terminal
Terminal capacity (copper stranded conductor/cable)
35 mm² - 240 mm² (1x) at box terminal
25 mm² - 240 mm² (1x) direct at switch rear-side connection
16 mm² - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 240 mm² (2x) direct at switch rear-side connection
25 mm² - 120 mm² (2x) at box terminal
25 mm² - 240 mm² (1x) direct at switch rear-side connection
16 mm² - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 240 mm² (2x) direct at switch rear-side connection
25 mm² - 120 mm² (2x) at box terminal
Terminal capacity (aluminum stranded conductor/cable)
25 mm² - 185 mm² (1x) at tunnel terminal
50 mm² - 240 mm² (2x) at 2-hole tunnel terminal
50 mm² - 240 mm² (1x) at 2-hole tunnel terminal
50 mm² - 240 mm² (2x) at 2-hole tunnel terminal
50 mm² - 240 mm² (1x) at 2-hole tunnel terminal
Handle type
Rocker lever
Short delay current setting (Isd) - max
0 A
Short delay current setting (Isd) - min
0 A
Instantaneous current setting (Ii) - max
2500 A
Instantaneous current setting (Ii) - min
1500 A
Number of operations per hour - max
60
Overload current setting (Ir) - max
250 A
Overload current setting (Ir) - min
200 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 500 V DC
30 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 breaking capacity Ics (IEC/EN 60947) at 750 V DC
30 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
110 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
77 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
55 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
40 kA
Standard terminals
Box terminal
Optional terminals
Connection on rear. Screw terminal. Tunnel terminal
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
Voltage rating (DC)
750 VDC
Rated insulation voltage (Ui)
1000 V AC
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOGUE EATON EN .pdf | 38 Mbytes |
|
| NZMN3-A250-BT Y7-174618 174618 DE_109670.pdf | 833 Kbytes |
|
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