Allen-Bradley Home
IEC Motor Control


General Resources


Molded Case Circuit Breakers
Bulletin 140U - 15...1200A

Click to Enlarge
Click to enlarge


The Bulletin 140U is a universal line of Molded Case Circuit Breakers (MCCBs), designed for the global marketplace. The Bulletin 140U line meets the latest standards requirements, provides panel space savings, high performance, field or factory modifications, and rotary or flexible cable operators.

140U NFPA 79 Internal Rotary Operating Handle

  • Product range:
    • 125 A, H frame – Thermal-Magnetic (T/M)
    • 250 A, J frame – T/M or Electronic
    • 400 A, K frame – T/M or Electronic
    • 600 A, Q frame – T/M or Electronic
    • 800 A, M frame – T/M or Electronic
    • 1200 A, N frame – Electronic
  • 140U Molded Case Circuit Breakers – “Universally” accepted:
    • Meets UL 489 – Molded Case Circuit Breakers
    • Meets CSA 22.2 No.5 – Molded Case Circuit Breakers
    • Meets IEC 60947-2 – Circuit Breakers
    • CE Certified
    • KEMA-KEUR – third party tested and certified
  • High interrupting ratings:
    • Highest interrupting ratings per frame versus Allen-Bradley competitors
  • Field- or factory-modified:
    • All internal accessories are easily installed in the field or as a factory modification
  • Field assembly of internal accessories maintains UL listing

Compact dimensions:

  • 125 A (H frame) – 76 mm (3”) wide
    • Up to 40% panel space savings
  • 250 A (J frame) –105 mm (4-1/8”) wide
    • Up to 35% panel space savings

Specification Overview


Product Selection
Build a Catalog Number
On-Line Catalog
 
Get Software
RAISE™ Product Selection and Engineering Tools
Request-For-Quote Builder
Autocad Library
 
How to Purchase
Find a US Distributor
WorldWide Offices
Shop On-Line
   
Get Literature
Product Profile (English)
Selection Guide
Product Profile (Spanish)
Product Profile (Portuguese)
On-Line Catalog