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.

49 Products found of 5
Product image for Square D QOB340 Miniature Circuit Breaker 40A 240V 3Ph , Bolt-On
Square D QOB340 Miniature Circuit Breaker 40A 240V 3Ph , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB340
Capital Electric Part #: 4277
$282.12/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 QOB260 Miniature Circuit Breaker 60A 120/240V 1Ph 2P , Bolt-On
Square D QOB260 Miniature Circuit Breaker 60A 120/240V 1Ph 2P , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB260
Capital Electric Part #: 29440
$81.61/ea
ea
Product image for Square D QO360 Miniature Circuit Breaker 60A 240V 3Ph , Plug-On
Square D QO360 Miniature Circuit Breaker 60A 240V 3Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO360
Capital Electric Part #: 31930
$146.66/ea
ea
Product image for Square D QOB360 Miniature Circuit Breaker 60A 240V 3Ph , Bolt-On
Square D QOB360 Miniature Circuit Breaker 60A 240V 3Ph , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB360
Capital Electric Part #: 14360
$282.12/ea
ea
Product image for Square D QO370 Miniature Circuit Breaker 70A 240V 3Ph , Plug-On
Square D QO370 Miniature Circuit Breaker 70A 240V 3Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO370
Capital Electric Part #: 70771
$201.17/ea
ea
Product image for Square D QOB370 Miniature Circuit Breaker 70A 240V 3Ph , Bolt-On
Square D QOB370 Miniature Circuit Breaker 70A 240V 3Ph , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB370
Capital Electric Part #: 70770
$355.30/ea
ea
Product image for Square D QOB245 Miniature Circuit Breaker 45A 120/240V 1Ph 2P , Bolt-On
Square D QOB245 Miniature Circuit Breaker 45A 120/240V 1Ph 2P , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB245
Capital Electric Part #: 126381
$81.61/ea
ea
Product image for Square D QO250VH Miniature Circuit Breaker 50A 120/240V 1Ph , Plug-On
Square D QO250VH Miniature Circuit Breaker 50A 120/240V 1Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO250VH
Capital Electric Part #: 408792
$56.57/ea
ea
Product image for Square D QOB250VH 240 Volt 50 Amp Miniature Circuit Breaker
Square D QOB250VH 240 Volt 50 Amp Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: QOB250VH
Capital Electric Part #: 113098
$164.65/ea
ea
Product image for Square D QO260VH Miniature Circuit Breaker 60A 120/240V 2P 1Ph , Plug-On
Square D QO260VH Miniature Circuit Breaker 60A 120/240V 2P 1Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO260VH
Capital Electric Part #: 92958
$56.57/ea
ea
Product image for Square D QOB335 Miniature Circuit Breaker 35A 240V 3Ph , Bolt-On
Square D QOB335 Miniature Circuit Breaker 35A 240V 3Ph , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB335
Capital Electric Part #: 91216
$282.12/ea
ea
49 Products found of 5


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