WEG ACW Molded-Case Circuit Breakers Catalog


This catalog provides a comprehensive overview of WEG’s ACW Series Molded-Case Circuit Breakers (MCCBs), covering specifications, ratings, trip curves, accessories, and installation dimensions. Designed for industrial applications, the ACW Series offers high short-circuit interrupting capacity, adjustable trip units, and multiple accessory options for enhanced safety and flexibility.

Key Points

  • Covers WEG ACW Series MCCBs from 15A to 800A
  • Options include fixed or adjustable thermal trip units with magnetic protection
  • Technical data includes electrical/mechanical life, derating curves, coordination tables, and trip curves
  • High short-circuit interrupting ratings up to 65kA @ 480V
  • Full range of internal and external accessories (auxiliary contacts, shunt trips, undervoltage releases, rotary/flange handles, locks, mechanical interlocks)
  • Detailed installation guides and dimensional drawings for each breaker frame size