Machine Design

Circuit Breaker

The Square D Powerpact R-frame molded-case circuit breaker has a standard amperage-rating range to 3,000 A.

These breakers can replace bulkier, more expensive, insulated case breakers in less space. The devices are offered with 80 and 100% ratings and interrupting ratings of 35, 65, and 100 kA at 480 Vac. The breakers are available in unit-mount models with 600 to 3,000-A ratings and I-line models up to 1,200 A. The breakers come with a RL3TB terminal kit for busing or optional cable lugs.

Schneider Electric, North American Operating Div., 1415 South Roselle Rd., Palatine, IL 60067, (847) 397-2600,

TAGS: Technologies
Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.