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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215 Products found of 18
Product image for Square D QO120 20amp 120/240v 1Pole Miniature Circuit Breaker, Plug-In
Square D QO120 20amp 120/240v 1Pole Miniature Circuit Breaker, Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO120
Capital Electric Part #: 6068
$12.54/ea
Product image for Square D QO230 Miniature Circuit Breaker 30A 120/240V 2P , Plug-In
Square D QO230 Miniature Circuit Breaker 30A 120/240V 2P , Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO230
Capital Electric Part #: 23870
$27.44/ea
Product image for Square D QO115 Miniature Circuit Breaker 15A 120/240V 1P , Plug-In
Square D QO115 Miniature Circuit Breaker 15A 120/240V 1P , Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO115
Capital Electric Part #: 24219
$12.54/ea
Product image for Square D QOM2200VH Main Circuit Breaker 200A 120/240V 1Ph 2P , Bolt-On
Square D QOM2200VH Main Circuit Breaker 200A 120/240V 1Ph 2P , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOM2200VH
Capital Electric Part #: 63755
$167.73/ea
ea
Product image for Square D QO120GFI Miniature Circuit Breaker w/GFI 20A 120V 1Ph 1P, Plug-On
Square D QO120GFI Miniature Circuit Breaker w/GFI 20A 120V 1Ph 1P, Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO120GFI
Capital Electric Part #: 25735
$146.40/ea
ea
Product image for Square D QO220 20A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Square D QO220 20A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO220
Capital Electric Part #: 23254
$27.44/ea
Product image for Square D QO260 60A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Square D QO260 60A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO260
Capital Electric Part #: 28070
$27.44/ea
Product image for Square D QO225 Miniature Circuit Breaker 25A 120/240V 2P , Plug-In
Square D QO225 Miniature Circuit Breaker 25A 120/240V 2P , Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO225
Capital Electric Part #: 44579
$27.39/ea
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 QO240 40A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Square D QO240 40A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO240
Capital Electric Part #: 7055
$27.44/ea
Product image for Square D QOB120 Miniature Circuit Breaker 20A 120/240V 1Ph , Bolt-On
Square D QOB120 Miniature Circuit Breaker 20A 120/240V 1Ph , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB120
Capital Electric Part #: 10753
$35.49/ea
Product image for Square D QO2100 100A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Square D QO2100 100A 120/240v 2Pole Miniature Circuit Breaker, Plug-In
Manufacturer: Square-D / Schneider
Catalog #: QO2100
Capital Electric Part #: 33367
$118.79/ea
215 Products found of 18


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