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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24 Products found of 2
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 HOM240 120/240 Volt 40 Amp Miniature Circuit Breaker
Square D HOM240 120/240 Volt 40 Amp Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: HOM240
Capital Electric Part #: 190
$15.51/ea
Product image for Square D QOB240 Miniature Circuit Breaker 40A 120/240V 1Ph 2P , Bolt-On
Square D QOB240 Miniature Circuit Breaker 40A 120/240V 1Ph 2P , Bolt-On
Manufacturer: Square-D / Schneider
Catalog #: QOB240
Capital Electric Part #: 26718
$81.61/ea
ea
Product image for Square D QO240GFI Miniature Circuit Breaker w/GFI 40A 120/240V 2P 1Ph , Plug-On
Square D QO240GFI Miniature Circuit Breaker w/GFI 40A 120/240V 2P 1Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO240GFI
Capital Electric Part #: 98511
$122.79/ea
ea
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 QOB240GFI 2-Pole 40 Amp 120/240 Volt Ground Fault Miniature Circuit Breaker
Square D QOB240GFI 2-Pole 40 Amp 120/240 Volt Ground Fault Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: QOB240GFI
Capital Electric Part #: 239236
$395.85/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 HOM240GFI 120/240 Volt 40 Amp Miniature Circuit Breaker
Square D HOM240GFI 120/240 Volt 40 Amp Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: HOM240GFI
Capital Electric Part #: 81102
$128.36/ea
ea
Product image for Square D QO340 Miniature Circuit Breaker 40A 240V 3Ph , Plug-On
Square D QO340 Miniature Circuit Breaker 40A 240V 3Ph , Plug-On
Manufacturer: Square-D / Schneider
Catalog #: QO340
Capital Electric Part #: 9048
$146.66/ea
ea
Product image for ETN BAB3040H 40A, 3 pole circuit br
ETN BAB3040H 40A, 3 pole circuit br
Manufacturer: Cutler-Hammer / Eaton
Catalog #: BAB3040H
Capital Electric Part #: 25894
$593.90/ea
ea
Product image for Square D HOM140 120/240 Volt 40 Amp Miniature Circuit Breaker
Square D HOM140 120/240 Volt 40 Amp Miniature Circuit Breaker
Manufacturer: Square-D / Schneider
Catalog #: HOM140
Capital Electric Part #: 84772
$10.91/ea
ea
Product image for Eaton Electrical CHF240 3/4 Inch Type CHF Standard Circuit Breaker
Eaton Electrical CHF240 3/4 Inch Type CHF Standard Circuit Breaker
Manufacturer: Cutler-Hammer / Eaton
Catalog #: CHF240
Capital Electric Part #: 807737
$76.54/ea
24 Products found of 2


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