Miniature Circuit Breakers

Capital Electric Supply offers the best miniature circuit breakers that contractors trust, so they can do what they do best without worrying about the basics. With A-B circuit breakers of just 1/2″ width and under 4″ length, these miniature circuit breakers are perfect for working in tight spaces and small enclosures, or 12-24A applications. Whereas fuses need to be thrown out after an overload, MCBs provide long-term circuit protection and noticeably reduce installation time. These are designed and tested to meet ANSI standards, are CSA-certified and come under warranty.

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32 Products found of 3
Product image for Square D QO250 Miniature Circuit Breaker 50A 120/240V 2P , Plug-On
Square D QO250 Miniature Circuit Breaker 50A 120/240V 2P , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO250
Capital Electric Part #: 14366
$27.44/ea
Product image for Square D HOM250 120/240 Volt 50 Amp Miniature Circuit Breaker
Square D HOM250 120/240 Volt 50 Amp Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: HOM250
Capital Electric Part #: 27510
$15.51/ea
Product image for Square D HOM250GFI 120/240 Volt 50 Amp Miniature Circuit Breaker
Square D HOM250GFI 120/240 Volt 50 Amp Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: HOM250GFI
Capital Electric Part #: 87379
$128.36/ea
ea
Product image for Square D QO250GFI Circuit Breaker w/GFI 50A 120/240V 2P , Plug-On
Square D QO250GFI Circuit Breaker w/GFI 50A 120/240V 2P , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO250GFI
Capital Electric Part #: 23496
$122.79/ea
ea
Product image for Square D QO350 Miniature Circuit Breaker 50A 240V 3Ph , Plug-On
Square D QO350 Miniature Circuit Breaker 50A 240V 3Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO350
Capital Electric Part #: 30162
$146.66/ea
ea
Product image for Eaton Electrical CHF250 50 Amp 2-Pole Circuit Breaker
Eaton Electrical CHF250 50 Amp 2-Pole Circuit Breaker
Manufacturer: Cutler-Hammer / Eaton
Catalog #: CHF250
Capital Electric Part #: 807398
$76.54/ea
ea
Product image for Square D QOB250 Miniature Circuit Breaker 50A 120/240V 1Ph 2P , Bolt-On
Square D QOB250 Miniature Circuit Breaker 50A 120/240V 1Ph 2P , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB250
Capital Electric Part #: 3532
$81.61/ea
ea
Product image for Square D QOB350 Miniature Circuit Breaker 50A 240V 3Ph , Bolt-On
Square D QOB350 Miniature Circuit Breaker 50A 240V 3Ph , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB350
Capital Electric Part #: 2291
$282.12/ea
ea
Product image for Square D QO350GFI Miniature Circuit Breaker w/GFI 50A 208Y/120V 3Ph 3P
Square D QO350GFI Miniature Circuit Breaker w/GFI 50A 208Y/120V 3Ph 3P
Manufacturer: Square-D / Schneider
Catalog #: QO350GFI
Capital Electric Part #: 856621
$468.29/ea
ea
Product image for Square D QO1520 Tandem Circuit Breaker 15A/20A 120/240V 1Ph , Plug-On
Square D QO1520 Tandem Circuit Breaker 15A/20A 120/240V 1Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO1520
Capital Electric Part #: 6453
$76.21/ea
ea
Product image for Square D QO150 Miniature Circuit Breaker 50A 120/240V 1Ph 1P , Plug-On
Square D QO150 Miniature Circuit Breaker 50A 120/240V 1Ph 1P , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO150
Capital Electric Part #: 63097
$16.54/ea
ea
Product image for Square D QOU150 120/240 Volt 50 Amp Miniature Circuit Breaker
Square D QOU150 120/240 Volt 50 Amp Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: QOU150
Capital Electric Part #: 88869
$35.24/ea
ea
32 Products found of 3


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