NZMH3-MX250-NA. NZM3 PXR20 circuit breaker, 250A, 3p, Screw terminal, UL/CSA
| Product Name |
Eaton Moeller series NZM molded case circuit breaker electronic
|
| Catalog Number |
193347
|
| EAN |
9010238016927
|
| Product Length/Depth |
166 mm
|
| Product Height |
275 mm
|
| Product Width |
140 mm
|
| Product Weight |
7.054 kg
|
| Compliances |
RoHS conform
|
| Certifications |
CSA (Class No. 1432-01)
UL (File No. E31593) UL 489 CE marking IEC UL508 CSA-C22.2 No. 5-09 CSA certified IEC/EN 60947 UL listed CSA (File No. 22086) Specially designed for North America IEC 60947-2 UL/CSA UL (Category Control Number DIVQ) |
| Model Code |
NZMH3-MX250-NA
|
| Amperage Rating |
250 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
|
| Lifespan, mechanical |
15000 operations
|
| Utilization category |
A (IEC/EN 60947-2)
|
| Mounting Method |
Fixed
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 |
| Equipment heat dissipation, current-dependent |
18.75 W
|
| Isolation |
300 V AC (between the auxiliary 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
|
| Protection against direct contact |
Finger and back-of-hand proof to VDE 0106 part 100
|
| Rated insulation voltage (Ui) |
690 V
|
| Rated operating power at AC-3, 230 V |
110 kW
|
| Rated operating power at AC-3, 400 V |
132 kW
|
| Switch off technique |
Electronic
|
| Degree of protection |
IP20 (basic degree of protection, in the operating controls area)
IP20 |
| Direction of incoming supply |
As required
|
| Electrical connection type of main circuit |
Screw connection
|
| Overvoltage category |
III
|
| Rated operational current |
630 A (400 V AC-1, making and breaking capacity)
202 A (660-690 V AC-3, making and breaking capacity) 500 A (415 V AC-1, making and breaking capacity) 630 A (690 V AC-1, making and breaking capacity) |
| Degree of protection (IP), front side |
IP66 (with door coupling rotary handle)
IP40 (with insulating surround) |
| Degree of protection (terminations) |
IP00 (terminations, phase isolator and strip terminal)
IP10 (tunnel terminal) |
| Number of poles |
Three-pole
|
| Terminal capacity (copper strip) |
Min. 6 segments of 16 mm x 0.8 mm at box terminal
Max. 10 segments of 24 mm x 1 mm + 5 segments of 24 mm x 1 mm 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) 10 segments of 50 mm x 1 mm (2x) at rear-side width extension NA: same as for IEC |
| Lifespan, electrical |
2000 operations at 415 V AC-3
2000 operations at 400 V AC-3 2000 operations at 690 V AC-3 3000 operations at 690 V AC-1 5000 operations at 400 V AC-1 |
| Functions |
Phase failure sensitive
Current limiting circuit breaker Motor protection |
| Type |
Circuit breaker
|
| Special features |
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)Motor protection - overload- and short-circuit protective device LI MotorPhase loss protection, r.m.s. value measurement, and "thermal memory"USB interface for configuration and test function with Power Xpert Protection Manager softwareOptionally communication-capable with interface module and internal Modbus RTU module or CAMSwitches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate.Rated current = rated uninterrupted current: 250 A
|
| Application |
Branch circuits, feeder circuits
|
| Shock resistance |
20 g (half-sinusoidal shock 20 ms)
|
| Rated operational current for specified heat dissipation (In) |
250 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 |
4500 A
|
| Short-circuit release non-delayed setting - min |
500 A
|
| Handle type |
Rocker lever
|
| Instantaneous current setting (Ii) - max |
4500 A
|
| Instantaneous current setting (Ii) - min |
500 A
|
| Number of operations per hour - max |
60
|
| Overload current setting (Ir) - max |
250 A
|
| Overload current setting (Ir) - min |
100 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 |
130 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 |
33 kA
|
| Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz |
9 kA
|
| Standard terminals |
Screw connection, Optional: Box terminal, Tunnel terminal, Rear-side connection
|
| Rated operating voltage Ue (UL) - max |
600 V
|
| Release system |
Electronic release
|
| Short-circuit total breaktime |
< 10 ms
|
| Terminal capacity (aluminum solid conductor/cable) |
16 mm² (1x) direct at switch rear-side connection
10 mm² - 16 mm² (2x) direct at switch rear-side connection NA: aluminum conductor not applicable |
| Terminal capacity (aluminum stranded conductor/cable) |
25 mm² - 120 mm² (1x) direct at switch rear-side connection
25 mm² - 120 mm² (2x) direct at switch rear-side connection NA: aluminum conductor not applicable |
| Terminal capacity (copper busbar) |
M10 at rear-side screw connection
Min. 20 mm x 5 mm direct at switch rear-side connection Max. 30 mm x 10 mm + 30 mm x 5 mm direct at switch rear-side connection Max. 10 mm x 50 mm (2x) at rear-side width extension NA: same as for IEC |
| Terminal capacity (copper solid conductor/cable) |
16 mm² (2x) at box terminal
16 mm² (1x) at 1-hole tunnel terminal 16 mm² (1x) direct at switch rear-side connection 16 mm² (2x) direct at switch rear-side connection NA: AWG 6 (2x) at box terminal NA: AWG 6 (1x) at 1-hole tunnel terminal NA: AWG 6 (1x) at 2-hole tunnel terminal NA: AWG 6 (2x) at 2-hole tunnel terminal NA: AWG 6 (2x) direct at switch rear-side connection |
| Terminal capacity (copper stranded conductor/cable) |
35 mm² - 240 mm² (1x) at box terminal
25 mm² - 120 mm² (2x) at box terminal 25 mm² - 185 mm² (1x) at 1-hole tunnel terminal 50 mm² - 240 mm² (1x) at 2-hole tunnel terminal 50 mm² - 240 mm² (2x) at 2-hole tunnel terminal 25 mm² - 240 mm² (1x) direct at switch rear-side connection 25 mm² - 240 mm² (2x) direct at switch rear-side connection 300 mm² (2x) at rear-side width extension NA: AWG 2 - kcmil 500 (1x) at box terminal NA: AWG 4 - kcmil 250 (2x) at box terminal NA: AWG 4 - kcmil 350 (1x) at 1-hole tunnel terminal NA: AWG 0 - kcmil 500 (1x) at 2-hole tunnel terminal NA: AWG 0 - kcmil 500 (2x) at 2-hole tunnel terminal NA: AWG 4 - kcmil 350 (1x) direct at switch rear-side connection NA: AWG 4 - kcmil 350 (2x) direct at switch rear-side connection NA: kcmil 500 (2x) at rear-side width extension |
| Rated short-circuit breaking capacity Icu (IEC/EN 60947) at 400/415 V, 50/60 Hz |
130 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 |
143 kA
|
| Rated short-circuit making capacity Icm at 690 V, 50/60 Hz |
74 kA
|
| Rated short-circuit making capacity Icm at 240 V, 50/60 Hz |
330 kA
|
| Rated impulse withstand voltage (Uimp) at auxiliary contacts |
6000 V
|
| Rated impulse withstand voltage (Uimp) at main contacts |
8000 V
|
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