Eaton Moeller series NZM - Molded Case Circuit Breaker. Circuit-breaker, 3p, 250A, box terminals, B2-S250-BT-CNA
| Product Name |
Eaton Moeller series NZM molded case circuit breaker magnetic
|
| Catalog Number |
107667
|
| EAN |
4015081073337
|
| Model Code |
NZMB2-S250-BT-CNA
|
| Product Length/Depth |
149 mm
|
| Product Height |
195 mm
|
| Product Width |
105 mm
|
| Product Weight |
2.345 kg
|
| Compliances |
RoHS conform
|
| Certifications |
CSA (File No. 22086)
IEC CSA certified IEC 60947-2 UL (Category Control Number DKPU2) Specially designed for North America CE marking UL/CSA UL 489 IEC/EN 60947 UL listed CSA (Class No. 1432-01) UL (File No. E31593) CSA-C22.2 No. 5-09 |
| Amperage Rating |
250 A
|
| Voltage rating |
440 V - 440 V
|
| 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 |
DIN rail (top hat rail) mounting optional
Built-in device fixed built-in technique Fixed |
| Climatic proofing |
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78 |
| Equipment heat dissipation, current-dependent |
59.44 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) |
| Degree of protection |
IP20
IP20 (basic degree of protection, in the operating controls area) |
| Direction of incoming supply |
As required
|
| Electrical connection type of main circuit |
Frame clamp
|
| Lifespan, mechanical |
20000 operations
|
| Overvoltage category |
III
|
| Rated operational current |
250 A (660-690 V AC-3, making and breaking capacity)
300 A (415 V AC-1, making and breaking capacity) 300 A (380/400 V AC-1, making and breaking capacity) |
| 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 strip terminal) |
| Number of poles |
Three-pole
|
| Terminal capacity (copper strip) |
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 Min. 2 segements of 16 mm x 0.8 mm at rear-side connection (punched) Min. 2 segments of 9 mm x 0.8 mm at box terminal |
| Lifespan, electrical |
6500 operations at 415 V AC-3
7500 operations at 400 V AC-1 |
| Functions |
Short-circuit protection
|
| Type |
Circuit breaker
|
| Special features |
|
| Application |
|
| Shock resistance |
20 g (half-sinusoidal shock 20 ms)
|
| Release system |
Thermomagnetic release
|
| Short-circuit total breaktime |
< 10 ms
|
| Terminal capacity (control cable) |
16 mm² - 18 mm² (2x)
14 mm² - 18 mm² (1x) |
| Terminal capacity (copper busbar) |
Max. 20 mm x 5 mm direct at switch rear-side connection
Min. 16 mm x 5 mm direct at switch rear-side connection M8 at rear-side screw connection |
| Terminal capacity (copper solid conductor/cable) |
16 mm² (1x) at tunnel terminal
6 mm² - 11 mm² (1x) direct at switch rear-side connection 6 mm² - 12 mm² (1x) at box terminal |
| Terminal capacity (copper stranded conductor/cable) |
4 mm² - 350 mm² (1x) at tunnel terminal
4 mm² - 350 mm² (1x) at box terminal 4 mm² - 3/0 mm² (1x) direct at switch rear-side connection |
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Product specifications
