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NZMN4-4-PX1250/VAR-AVE 189664 Y7-189664 EATON ELECTRIC NZMN4-4-PX1250/VAR-AVE
NZMN4-4-PX1250/VAR-AVE
189664
Y7-189664
EATON - MOELLER
1 Pcs.
NZMN4-4-PX1250/VAR-AVE
NZMN4-4-PX1250/VAR-AVE. NZM4 PXR25 circuit breaker - integrated energy measurement class 1, 1250A, 4p, variable, Screw terminal, withdrawable unit
The xEffect NZM...-PX circuit breaker range with power expert release (PXR) electronic triggering system covers use cases for full range protection with only four compact sizes and is suitable for the IEC market. The integrated energy measuring function supplies currents, voltages and active energy (kWh) with accuracy class 1 according to IEC 61557-12. Test function and settings via micro USB port directly on the switch. Modular function groups always make mounting flexible and may be supplemented by the comprehensive range of accessories. r.m.s. value measurement and thermal memory.
Automation > Power circuit-breaker for trafo/generator/installation protection
Circuit Breakers NZM
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
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▲General specifications
| Product Name | Eaton Moeller series NZM molded case circuit breaker electronic |
| Catalog Number | 189664 |
| Model Code | NZMN4-4-PX1250/VAR-AVE |
| EAN | 4015081876112 |
| Product Length/Depth | 501 mm |
| Product Height | 280 mm |
| Product Width | 330 mm |
| Product Weight | 35.5 kg |
| Compliances | RoHS conform |
| Certifications | IEC/EN 60947 IEC |
Delivery program
| Application | Use in unearthed supply systems at 525 V |
| Type | Circuit breaker |
| Circuit breaker frame type | NZM4 |
| Accessories required | NZM4-4-XAVS |
| Number of poles | Four-pole |
| Amperage Rating | 1250 A |
| Release system | Electronic release |
| Features | Motor drive optional Protection unit |
| Special features |
|
Technical Data - Electrical
| Voltage rating | 690 V - 690 V |
| Rated impulse withstand voltage (Uimp) at auxiliary contacts | 6000 V |
| Rated impulse withstand voltage (Uimp) at main contacts | 8000 V |
| Current rating of neutral conductor | 0 - 60% - 100% of phase conductor |
| Rated short-time withstand current (t = 0.3 s) | 19.2 kA |
| Rated short-time withstand current (t = 1 s) | 19.2 kA |
| Amperage Rating | 1250 A |
| Instantaneous current setting (Ii) - min | 2500 A |
| Instantaneous current setting (Ii) - max | 37500 A |
| Overload current setting (Ir) - min | 630 A |
| Overload current setting (Ir) - max | 1250 A |
| Short delay current setting (Isd) - min | 2 A |
| Short delay current setting (Isd) - max | 10 A |
| Short-circuit release delayed setting - min | 1260 A |
| Short-circuit release delayed setting - max | 12500 A |
| Short-circuit release non-delayed setting - min | 2500 A |
| Short-circuit release non-delayed setting - max | 18750 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 | 37 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 |
| Short-circuit total breaktime | < 25 ms (≦ 415 V); < 35 ms (> 415 V) |
| Electrical connection type of main circuit | Other |
| Isolation | 500 V AC (between auxiliary contacts and main 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 | 3000 operations at 415 V AC-1 2000 operations at 690 V AC-1 3000 operations at 400 V AC-1 |
| Direction of incoming supply | As required |
Technical Data - Mechanical
| Mounting Method | Withdrawable Built-in device slide-in technique (withdrawable) |
| Mounting Method | Withdrawable Built-in device slide-in technique (withdrawable) |
| Degree of protection | IP20 IP20 (basic degree of protection, in the operating controls area) |
| 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) |
| Protection against direct contact | Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110 |
| Shock resistance | 15 g (half-sinusoidal shock 11 ms) |
| 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 | Connection at separate chassis part |
| Climatic proofing | Damp heat, cyclic, to IEC 60068-2-30 Damp heat, constant, to IEC 60068-2-78 |
| Special features |
|
| 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) |
| Terminal capacity (aluminum stranded conductor/cable) | 50 mm² - 240 mm² (4x) at 4-hole tunnel terminal |
| Terminal capacity (copper busbar) | Min. 25 mm x 5 mm at rear-side 1-hole module plate Min. 60 mm x 10 mm at rear-side width extension 50 mm x 10 mm (2x) at rear-side 2-hole module plate Min. 25 mm x 5 mm direct at switch rear-side connection Max. 50 mm x 10 mm (2x) at rear-side 1-hole module plate M10 at rear-side screw connection Max. 80 mm x 10 mm (2x) at rear-side width extension Max. 50 mm x 10 mm (2x) direct at switch rear-side connection |
| Terminal capacity (copper solid conductor/cable) | 300 mm² (4x) at rear-side width extension 35 mm² - 185 mm² (4x) at rear-side 2-hole module plate 95 mm² - 185 mm² (2x) 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 95 mm² - 240 mm² (6x) at rear-side width extension 120 mm² - 300 mm² (1x) 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 |
| Terminal capacity (copper strip) | Max. 10 segments of 50 mm x 1 mm (2x) at rear-side connection (punched) 10 segments of 50 mm x 1 mm (2x) at 1-hole module plate 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 Min. 6 segments of 16 mm x 0.8 mm at flat conductor terminal 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) | 1250 A |
| Equipment heat dissipation, current-dependent | 173.44 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 | Systems, cable, selectivity and generator protection |
| Feature Name | Feature Value |
|---|---|
| Rated permanent current Iu (EF001389) | 1250 A |
| Rated voltage (EF003977) | 690 V |
| Rated short-circuit breaking capacity Icu at 400 V, 50 Hz (EF007048) | 37 kA |
| Overload release current setting (EF002336) | 630 A |
| Adjustment range short-term delayed short-circuit release (EF007129) | 2 A |
| Adjustment range undelayed short-circuit release (EF007131) | 2500 A |
| Device construction (EF008240) | Built-in device slide-in technique (withdrawable) |
| Integrated earth fault protection (EF007296) | No |
| Type of electrical connection of main circuit (EF006819) | Other |
| Suitable for DIN rail (top hat rail) mounting (EF007250) | No |
| DIN rail (top hat rail) mounting optional (EF008904) | No |
| Number of auxiliary contacts as normally closed contact (EF001377) | 0 |
| Number of auxiliary contacts as normally open contact (EF001376) | 0 |
| Number of auxiliary contacts as change-over contact (EF003531) | 0 |
| With switched-off indicator (EF007006) | No |
| With integrated under voltage release (EF001390) | No |
| Number of poles (EF001391) | 4 |
| Position of connection for main current circuit (EF006671) | Connection at separate chassis part |
| Type of control element (EF006976) | Rocker lever |
| Complete device with protection unit (EF008906) | Yes |
| Motor drive integrated (EF006697) | No |
| Motor drive optional (EF007386) | Yes |
| Degree of protection (IP) (EF005474) | IP20 |