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Eaton Pluggable circuit breaker 450A/3P NZMH3-ME450-SVE

Eaton · Electrical Components · Motor Protection Circuit Breakers · Ireland · eaton.com
Part Number
NZMH3-ME450-SVE  ·  HS 8536.90
Eaton Pluggable circuit breaker 450A/3P NZMH3-ME450-SVE

Eaton NZMH3-ME450-SVE Pluggable circuit breaker 450A/3p.

Technical Specifications

Manufacturer part number (MPN)NZMH3-ME450-SVE
EAN / GTIN4015081653997
HS code8536.90
Sales unitpcs
Eaton catalogue number168912
Depth335 mm
Height215.2 mm
Width140 mm
Weight7.72 kg
CompliancesRoHS conform
CertificationsIEC/EN 60947; IEC
FunctionsPhase failure sensitive; Motor protection
Accessories requiredNZM3-XSVS
Amperage Rating450 A
ApplicationUse in unearthed supply systems at 690 V
Circuit breaker frame typeNZM3
Fitted withThermal protection
Number of polesThree-pole
Release systemElectronic release
TypeCircuit breaker
Ambient operating temperature - max70 °C
Ambient storage temperature - max70 °C
Ambient operating temperature - min-25 °C
Ambient storage temperature - min-40 °C
Equipment heat dissipation, current-dependent60.75 W
Rated operational current for specified heat dissipation (In)450 A
Direction of incoming supplyAs required
Electrical connection type of main circuitOther
Handle typeRocker lever
Instantaneous current setting (Ii) - max5400 A
Instantaneous current setting (Ii) - min900 A
Isolation300 V AC (between the auxiliary contacts); 500 V AC (between auxiliary contacts and main contacts)
Lifespan, electrical2000 operations at 415 V AC-3; 5000 operations at 400 V AC-1; 3000 operations at 690 V AC-1; 2000 operations at 690 V AC-3; 5000 operations at 415 V AC-1; 2000 operations at 400 V AC-3
Number of operations per hour - max60
Overload current setting (Ir) - max450 A
Overload current setting (Ir) - min225 A
Overvoltage categoryIII
Pollution degree3
Rated impulse withstand voltage (Uimp) at auxiliary contacts6000 V
Rated impulse withstand voltage (Uimp) at main contacts8000 V
Rated insulation voltage (Ui)1000 V
Rated operating power at AC-3
230 V132 kW
Rated operating power at AC-3
400 V250 kW
Rated short-circuit making capacity Icm at 240 V
50/60 Hz330 kA
Rated short-circuit making capacity Icm at 400/415 V
Rated short-circuit making capacity Icm at 440 V
50/60 Hz286 kA
Rated short-circuit making capacity Icm at 525 V
50/60 Hz143 kA
Rated short-circuit making capacity Icm at 690 V
50/60 Hz74 kA
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 total breaktime< 10 ms
Utilization categoryA (IEC/EN 60947-2)
Voltage rating690 V - 690 V
Climatic proofingDamp heat, constant, to IEC 60068-2-78; Damp heat, cyclic, to IEC 60068-2-30
Degree of protectionIP20; IP20 (basic degree of protection, in the operating controls area)
Degree of protection (IP), front sideIP40 (with insulating surround); IP66 (with door coupling rotary handle)
Degree of protection (terminations)IP10 (tunnel terminal); IP00 (terminations, phase insulator and strip terminal)
Lifespan, mechanical15000 operations
Mounting MethodPlug-in unit; Built-in device plug-in technique
Protection against direct contactFinger and back-of-hand proof to VDE 0106 part 100
Shock resistance20 g (half-sinusoidal shock 20 ms)
Switch off techniqueElectronic
Optional terminalsBox terminal. Connection on rear. Tunnel terminal
Standard terminalsScrew terminal
Terminal capacity (aluminum solid conductor/cable)16 mm² (1x) at tunnel terminal
Terminal capacity (aluminum stranded conductor/cable)50 mm² - 240 mm² (2x) at 2-hole tunnel terminal; 50 mm² - 240 mm² (1x) at 2-hole tunnel terminal; 25 mm² - 185 mm² (1x) at tunnel terminal
Terminal capacity (control cable)0.75 mm² - 1.5 mm² (2x); 0.75 mm² - 2.5 mm² (1x)
Terminal capacity (copper busbar)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; M10 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)16 mm² (1x) at tunnel terminal; 300 mm² (2x) at rear-side width extension; 16 mm² (2x) at box terminal; 16 mm² (2x) direct at switch rear-side connection; 16 mm² (1x) direct at switch rear-side connection
Terminal capacity (copper stranded conductor/cable)16 mm² - 185 mm² (1x) at 1-hole tunnel terminal; 35 mm² - 240 mm² (1x) at box terminal; 25 mm² - 120 mm² (2x) at box terminal; 25 mm² - 240 mm² (2x) direct at switch rear-side connection; 25 mm² - 240 mm² (1x) direct at switch rear-side connection
Document NameDescription Action

Properties

MOQ1

Cross-References

Attached Documents