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Eaton / Moeller Series

NZMH4-AE1250265766

In Stock

Eaton NZM circuit breaker, 1250 A, 690 V, electronic release, 3-pole, 19.192 kg

Eaton Moeller series NZM molded case circuit breaker electronic, Part no. NZMH4-AE1250, rated current 1250 A, voltage rating 690 V, electronic release system, suitable for unearthed supply systems at 525 V.

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  • Product Specifications
  • Technical Specifications
Specification Value
Product name Eaton Moeller series NZM molded case circuit breaker electronic
Part no. NZMH4-AE1250
EAN 4015082657666
Product Length/Depth 401 millimetre
Product height 207 millimetre
Product width 210 millimetre
Product weight 19.192 kilogram
Number of poles Three-pole
Amperage Rating 1250 A
Release system Electronic release
Application Use in unearthed supply systems at 525 V
Special features Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker
Specification Value
Voltage rating 690 V - 690 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
Rated short-time withstand current (t = 0.3 s) 19.2 kA
Rated short-time withstand current (t = 1 s) 19.2 kA
Instantaneous current setting (Ii) - min 2500 A
Instantaneous current setting (Ii) - max 15000 A
Overload current setting (Ir) - min 630 A
Overload current setting (Ir) - max 1250 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz 63 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz 50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz 50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz 50 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 690 V, 50/60 Hz 37 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz 275 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz 187 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 100 kA

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