Skip to content
**Rush Shipping Available**| websales@breakerhunters.com | 877-963-4543
**Rush Shipping Available**| websales@breakerhunters.com | 877-963-4543

Westinghouse MC-Frame

  • HMC3400 HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3400 (HMC3800F w/400 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, ...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400M HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3400M (HMC3800FM w/400 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400 HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3500 (HMC3800F w/500 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, ...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400M HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3500M (HMC3800FM w/500 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400 HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3600 (HMC3800F w/600 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, ...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400M HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3600M (HMC3800FM w/600 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400 HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3700 (HMC3800F w/700 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, ...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400M HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3700M (HMC3800FM w/700 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400 HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3800 (HMC3800F w/800 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, LS Function Non-Interchangeable Trip Unit, 3 Pole, ...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMC3400M HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMC3800M (HMC3800FM w/800 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMC Frame Style, Molded Case Circuit Breaker, Mark 75, Magnetic Only Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCA3400 HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCA3400 (HMCA3800F w/400 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCA3400 HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCA3500 (HMCA3800F w/500 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCA3400 HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCA3600 (HMCA3800F w/600 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCA3400 HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCA3700 (HMCA3800F w/700 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCA3400 HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCA3800 (HMCA3800F w/800 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCA Frame Style, Molded Case Circuit Breaker, Mark 75, LSI Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCG3400 HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCG3400 (HMCG3800F w400 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCG3500 HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 500 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCG3500 (HMCG3800F w/500 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCG3600 HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 600 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCG3600 (HMCG3800F w/600 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCG3700 HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 700 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCG3700 (HMCG3800F w/700 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, H...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCG3800 HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 800 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCG3800 (HMCG3800F w/800 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCG Frame Style, Molded Case Circuit Breaker, Mark 75, LSG Function Non-Interchangeable Trip Unit, 3 Pole...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCGA3400 HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCGA3400 (HMCGA3800F w/400 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Po...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCGA3400 HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCGA3500 (HMCGA3800F w/500 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Po...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCGA3400 HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCGA3600 (HMCGA3800F w/600 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Po...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • HMCGA3400 HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCGA3700 (HMCGA3800F w/700 Amp Rating Plug)

    Westinghouse / Cutler-Hammer

    Product Description Specs are as follows:HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Po...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by

Let customers speak for us

from 139 reviews

W201K6CF

Todd Peak
W201K6CF

The team at Breaker Hunters was a huge help. They had what I needed in stock and hundreds of dollars cheaper than anywhere else I could find. Would highly recommend them to anyone looking for electrical items!

Scott N.
5250C79G01 (120/110V AC)

Great product.

Dean P.
HMCP250K5C

Very good, and fast delivery

James G.
W200M1CFC

Thanks for the quick turn around on this breaker!

Ken W.
THED136125WL

Thanks, was pleased with service. Called in late in the day with Next Day Air order. They got it out and to my customer with no issues.

Jay B.
20RES10T

Everything was just as ordered, thanks for the help

Frank R.
HMCP100R3C

Good item.
Thank you

Capitol I.
FAL36040

Everything went very smoothly and product was as advertised

Gulf P.
H52

Great! Thank you for the great service.

Jeff B.
W200M1CFC

Great, however the box weighed more than the breaker. Twenty eight dollars shipping and handling was a bit much. Thanks Jack

John H.
GHB3100

The right part and delivered when promised.

David P.
AN16DN0AB

Great price and very fast shipping!

James F.
B14.0

I am impressed with the service , delivery & price .

Donald P.
HMCP250W5C

Very helpful and customer service went above and beyond

John B.
QGA32200