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NS2-250-NA 102686 0004315510 EATON ELECTRIC Circuit-breaker 3p 250A

NS2-250-NA

102686

0004315510

EATON-MOELLER

Circuit-breaker 3p 250A

NS2-250-NA

Molded Case Switch, 3p, 250A

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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

Total price: $674.99
Unit price: $674.99

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Molded Case Switch, 3p, 250A
Molded Case Switch, N2, Switch-disconnectors, 3 pole, Switching capacity SCCR 480Y/277 V 60 Hz Icu: 100 kA, S Switching capacity SCCR 600Y/347 V 60 Hz Icu: 50 kA, Rated current = rated uninterrupted current In = Iu: 250 A, Rated current = rated uninterrupted current In = Iu: 250 A, Standard/Approval: UL/CSA, IEC, Installation type: Fixed, Screw connection, Protective function: Disconnectors/main switches

General specifications
Product name
Eaton Moeller series NZM - Molded Case Circuit Breaker
Part no.
NS2-250-NA
EAN
4015081025466
Product Length/Depth
142 millimetre
Product height
185 millimetre
Product width
105 millimetre
Product weight
2.398 kilogram
Compliances
RoHS conform
Certifications
CSA certified
UL (Category Control Number WJAZ)
UL listed
UL 489
CSA (File No. 22086)
IEC 60947-2
CSA-C22.2 No. 5-09
IEC
CE marking
UL (File No. E148671)
UL/CSA
Specially designed for North America
CSA (Class No. 4652-06)
Product Tradename
NZM
Product Type
Molded Case Circuit Breaker
Product Sub Type
None
Delivery program
Application
Branch circuits, feeder circuits
Type
Switch-disconnector
Circuit breaker frame type
N2
Number of poles
Three-pole
Amperage Rating
250 A
Features
Motor drive optional
Protection unit
Special features
IEC/EN 60947-2: circuit breakers without overcurrent (CBI-X) with main switch characteristics and isolating characteristics to IEC/EN 60204.
Rated current = rated uninterrupted current: 250 A
Technical Data - Electrical
Voltage rating
690 V - 690 V
Rated operating voltage Ue (UL) - max
600 Y / 347 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
Current rating (Iu) (UL 489 csa 22.2 no. 5.1)
250 A
Rated current (Iu)
250 A
Instantaneous current setting (Ii) - min
2500 A
Instantaneous current setting (Ii) - max
2500 A
Overload current setting (Ir) - min
0 A
Overload current setting (Ir) - max
0 A
Short delay current setting (Isd) - min
0 A
Short delay current setting (Isd) - max
0 A
Short-circuit release non-delayed setting - min
2500 A
Short-circuit release non-delayed setting - max
2500 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
150 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
150 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
130 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
37.5 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
330 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
330 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
286 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
105 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
53 kA
Short-circuit total breaktime
< 10 ms
Electrical connection type of main circuit
Screw connection
Number of operations per hour - max
120
Handle type
Rocker lever
Overvoltage category
III
Pollution degree
3
Lifespan, electrical
6500 operations at 400 V AC-3
7500 operations at 690 V AC-1
10000 operations at 415 V AC-1
5000 operations at 690 V AC-3
6500 operations at 415 V AC-3
10000 operations at 400 V AC-1
Direction of incoming supply
As required
Technical Data - Mechanical
Mounting Method
Fixed
DIN rail (top hat rail) mounting optional
Built-in device fixed built-in technique
Degree of protection
In the area of the HMI devices: IP20 (basic protection type)
IP20
Degree of protection (IP), front side
IP40 (with insulating surround)
IP66 (with door coupling rotary handle)
Degree of protection (terminations)
IP10 (tunnel terminal)
IP00 (terminations, phase isolator and band terminal)
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
Switch positions
I, +, 0
Special features
IEC/EN 60947-2: circuit breakers without overcurrent (CBI-X) with main switch characteristics and isolating characteristics to IEC/EN 60204.
Rated current = rated uninterrupted current: 250 A
Lifespan, mechanical
20000 operations
Technical Data - Mechanical - Terminals
Standard terminals
Screw terminal
Optional terminals
Box terminal. Connection on rear. Tunnel terminal
Terminal capacity (aluminum solid conductor/cable)
10 mm² - 16 mm² (2x) direct at switch rear-side connection
16 mm² (1x) at tunnel terminal
10 mm² - 16 mm² (1x) direct at switch rear-side connection
Terminal capacity (aluminum stranded conductor/cable)
25 mm² - 185 mm² (1x) at 1-hole tunnel terminal
25 mm² - 35 mm² (2x) direct at switch rear-side connection
25 mm² - 35 mm² (1x) direct at switch rear-side connection
Terminal capacity (copper busbar)
M8 at rear-side screw connection
Max. 24 mm x 8 mm direct at switch rear-side connection
NA: M8 at rear-side screw connection
Min. 16 mm x 5 mm direct at switch rear-side connection
NA: min. 16 mm x 5 mm direct at switch rear-side connection
NA: max. 20 mm x 5 mm direct at switch rear-side connection
Terminal capacity (copper solid conductor/cable)
10 mm² - 16 mm² (1x) at box terminal
NA: 12 - 6 AWG (1x) at box terminal
10 mm² - 16 mm² (1x) direct at switch rear-side connection
4 mm² - 16 mm² (2x) direct at switch rear-side connection
16 mm² (1x) at tunnel terminal
6 mm² - 16 mm² (2x) at box terminal
NA: 6 AWG (1x) at tunnel terminal
NA: 12 - 6 AWG (1x) direct at switch rear-side connection
Terminal capacity (copper stranded conductor/cable)
25 mm² - 185 mm² (1x) at box terminal
25 mm² - 70 mm² (2x) direct at switch rear-side connection
25 mm² - 70 mm² (2x) at box terminal
25 mm² - 185 mm² (1x) at 1-hole tunnel terminal
NA: 4 - 350 AWG/kcmil (1x) at 1-hole tunnel terminal
25 mm² - 185 mm² (1x) direct at switch rear-side connection
NA: 4 - 350 AWG/kcmil (1x) at box terminal
Terminal capacity (copper strip)
Max. 10 segments of 24 mm x 0.8 mm at rear-side connection (punched)
Min. 2 segements of 16 mm x 0.8 mm at rear-side connection (punched)
NA: min. 2 segments of 16 mm x 0.8 mm at rear-side connection (punched)
Max. 8 segments of 15.5 mm x 0.8 mm (2x) at terminal box
Min. 2 segments of 9 mm x 0.8 mm at box terminal
NA: max. 10 segments of 16 mm x 0.8 mm at rear-side connection (punched)
Max. 10 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)
250 A
Equipment heat dissipation, current-dependent
59.44 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
Disconnectors/main switches

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
250 A
Rated voltage
690 - 690 V
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz
150 kA
Overload release current setting
0 - 0 A
Adjustment range short-term delayed short-circuit release
0 - 0 A
Adjustment range undelayed short-circuit release
2500 - 2500 A
Power loss
48 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
Yes
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

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Title: Size: Type:
NS2-250-NA 0004315510 102686 EN_102686.pdf 123 Kbytes NS2-250-NA 0004315510 102686 EN_102686.pdf

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