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Eaton / Moeller Series

NZMH3-AEF450-NA269287

In Stock

450A, 3P, breaker, electronic trip, UL/CSA/IEC/CE

The Eaton 269287 (model NZMH3-AEF450-NA) is a 450-amp, three-pole molded case circuit breaker from the Moeller NZM series. It features an electronic trip unit with fixed overload protection and an adjustable instantaneous short-circuit release range of 900–3600 A. Designed for demanding distribution and feeder circuit protection, it is rated for 690 V AC and supports high short-circuit breaking capacities up to 150 kA at 415 V. The unit uses screw-type terminals and supports copper or aluminum wiring. Certified to UL 489, CSA, IEC 60947-2, and CE standards, it offers durable performance with up to 5000 electrical operations and 15,000 mechanical operations.

Country of Origin: DE

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  • Product Specifications
  • Technical Specifications
Brand Eaton
Model NZMH3-AEF450-NA
Catalog Number 269287
Series Moeller NZM
Product Type Molded Case Circuit Breaker
Amperage 450 A
Poles Three-pole
Trip Type Electronic
Frame Size NZM3
Terminals Screw
Handle Type Rocker lever
Voltage Rating 690 V AC
Rated Insulation Voltage (Ui) 1000 V AC
Impulse Withstand Voltage (Uimp) 8000 V (main), 6000 V (auxiliary)
Interrupting Capacity (Ics) Up to 150 kA @ 415 V
Making Capacity (Icm) Up to 330 kA @ 415 V
Overload Current Setting (Ir) 450 A (fixed)
Instantaneous Trip Range (Ii) 900 – 3600 A
Short-Circuit Break Time < 10 ms
Utilization Category A (IEC/EN 60947-2)
Certifications UL 489, CSA, IEC 60947-2, CE
Compliances RoHS conform
Protection Rating IP20 (basic), IP66 (with handle), IP40 (insulating surround)
Ambient Temperature (Operating) -25 °C to 70 °C
Mechanical Lifespan 15,000 operations
Electrical Lifespan Up to 5000 operations (400 V AC-1)
Power Loss 60.75 W
Dimensions (HxWxD) 297 mm × 140 mm × 166 mm
Weight 6.34 kg

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