Skip to the content

Free Shipping on orders over $149

My Circuit Breakers

All Vendors

Search for products

sales@mycircuitbreakers.com

Brands
Circuit Breakers
Breaker Components
Motor Controls
Switches
Bus Plugs
Fuses
About Us
Contact Us

Need help?

sales@mycircuitbreakers.com

Brands
Circuit Breakers
Breaker Components
Motor Controls
Switches
Bus Plugs
Fuses
About Us
Contact Us

Molded Case Circuit Breakers

Didn't find what you were looking for?

Sort by:

4762 Products

Sale

Siemens / ITE

Siemens HFD63F250 Molded Case Circuit Breaker Frame – 250A – 3-Pole / 3-Phase – 600V – 65kA @ 480V – Bolt-On – Sentron HFD Series

In stock

(0)

Regular price From $1,090.73

Regular price ~~$1,589.99~~ Sale price From $1,090.73
Sale

Eaton Cutler-Hammer

Eaton FDC3015 Molded Case Circuit Breaker – 15A – 3-Pole / 3-Phase – 600V – 100kA @ 480V – Feed-Thru – Series C FDC

In stock

(0)

Regular price From $699.00

Regular price ~~$879.99~~ Sale price From $699.00
Sale

Eaton Cutler-Hammer

Eaton FDC3020 Molded Case Circuit Breaker – 15A – 3-Pole / 3-Phase – 600V – 100kA @ 480V – Feed-Thru – Series C FDC

In stock

(0)

Regular price From $699.00

Regular price ~~$716.99~~ Sale price From $699.00
Sale

Eaton Cutler-Hammer

Eaton FDC3030 Molded Case Circuit Breaker – 30A – 3-Pole / 3-Phase – 600V – 100kA @ 480V – Feed-Thru – Series C FDC

In stock

(0)

Regular price From $799.00

Regular price ~~$999.99~~ Sale price From $799.00
Sale

Siemens / ITE

Siemens B340H Molded Case Circuit Breaker – 40A – 3-Pole / 3-Phase – 240V – 22kA @ 240V – Bolt-On – B Series

In stock

(0)

Regular price $117.30

Regular price ~~$816.00~~ Sale price $117.30
Sale

Eaton Cutler-Hammer

Eaton FDC3015L Molded Case Circuit Breaker – 15A – 3-Pole / 3-Phase – 600V – 100kA @ 480V – Feed-Thru – Series C FDC

In stock

(0)

Regular price From $699.00

Regular price ~~$753.99~~ Sale price From $699.00
Sale

Siemens / ITE

Siemens B370H Molded Case Circuit Breaker – 70A – 3-Pole / 3-Phase – 240V – 22kA @ 240V – Bolt-On – B Series

In stock

(0)

Regular price $134.25

Regular price ~~$993.00~~ Sale price $134.25
Sale

Siemens / ITE

Siemens B380H Molded Case Circuit Breaker – 80A – 3-Pole / 3-Phase – 240V – 22kA @ 240V – Bolt-On – B Series

In stock

(0)

Regular price $154.83

Regular price ~~$1,160.00~~ Sale price $154.83
Sale

Siemens / ITE

Siemens Q3100H Molded Case Circuit Breaker – 100A – Configuration Not Specified – Voltage Not Specified – 22kA – Mounting Not Specified – Q Series

In stock

(0)

Regular price $140.13

Regular price ~~$1,244.00~~ Sale price $140.13
Sale

Siemens / ITE

Siemens BQD6320 Molded Case Circuit Breaker – 20A – 3-Pole / 3-Phase – 600/347V AC – 10kA @ 600V

In stock

(0)

Regular price $411.59

Regular price ~~$1,072.00~~ Sale price $411.59
Sale

Siemens / ITE

Siemens B390H Molded Case Circuit Breaker – 90A – 3-Pole / 3-Phase – 240V – 22kA @ 240V – Bolt-On – B Series

In stock

(0)

Regular price $186.19

Regular price ~~$189.99~~ Sale price $186.19
Schneider Electric

Square D Q232225H Molded Case Circuit Breaker – 225A – 3-Pole / 3-Phase – 240V – 22kA @ 240V – I-Line Style Plug-In – Q2 Series

In stock

(0)

Regular price From $587.99
Sale

Siemens / ITE

Siemens HJD63F400 Molded Case Circuit Breaker Frame – 400A – 3-Pole / 3-Phase – 600V – 65kA @ 480V – Bolt-On – Sentron HJD Series

In stock

(0)

Regular price From $1,507.23

Regular price ~~$2,571.26~~ Sale price From $1,507.23
Siemens / ITE

Siemens JD63F400 Molded Case Circuit Breaker Frame – 400A – 3-Pole / 3-Phase – 600V – 35kA @ 480V – Bolt-On – Sentron JD Series

In stock

(0)

Regular price From $573.29
Sale

Schneider Electric

Square D HJA36015 Molded Case Circuit Breaker – 15A – 3-Pole / 3-Phase – 600V AC – 100kA @ 240V – I-Line Plug-On – PowerPact HJA Series

In stock

(0)

Regular price From $369.00

Regular price ~~$1,988.00~~ Sale price From $369.00
Sale

GE

GE TJK636F000 Molded Case Circuit Breaker Frame – 600A – 3-Pole / 3-Phase – 600V – 30kA @ 480V – Bolt-On – J600 Series

In stock

(0)

Regular price From $1,947.25

Regular price ~~$2,837.99~~ Sale price From $1,947.25
Siemens / ITE

Siemens B39000S01 Molded Case Circuit Breaker – 90A – B Series

In stock

(0)

Regular price $219.51
Sale

Siemens / ITE

Siemens BQ3B10000S01 Molded Case Circuit Breaker – 100A – 3-Pole / 3-Phase – 240V – 22kA @ 240V – Bolt-On – BQ Series

In stock

(0)

Regular price $455.69

Regular price ~~$1,026.00~~ Sale price $455.69
Sale

GE

GE THHQB32090 Molded Case Circuit Breaker – 90A – 3-Pole / 3-Phase – 240V – 22kA @ 208V – Bolt-On – Q-Line QB Series

In stock

(0)

Regular price $185.21

Regular price ~~$535.00~~ Sale price $185.21
Sale

GE

GE THHQB32025 Molded Case Circuit Breaker – 25A – 22kA – Bolt-On – Q-Line QB Series

In stock

(0)

Regular price $136.21

Regular price ~~$371.00~~ Sale price $136.21
Sale

Eaton Cutler-Hammer

Eaton CHMDL3800F Molded Case Circuit Breaker Frame – 800A – 3-Pole / 3-Phase – 600V – 65kA @ 480V – Bolt-On – Series C CHMDL

In stock

(0)

Regular price From $3,612.27

Regular price ~~$4,975.99~~ Sale price From $3,612.27
Sale

Eaton Cutler-Hammer

Eaton CC3225 Molded Case Circuit Breaker – 200A – 3-Pole – 240V AC – 10kA – Base Mount – CC Series

In stock

(0)

Regular price From $490.97

Regular price ~~$556.99~~ Sale price From $490.97
Sale

GE

GE THQB32090ST1 Molded Case Circuit Breaker – 90A – 3-Pole – 240V AC – 10kA @ 240V – Bolt-On – Q-Line THQB Series

In stock

(0)

Regular price From $161.69

Regular price ~~$508.99~~ Sale price From $161.69
Sale

Eaton Cutler-Hammer

Eaton MDL3800F Molded Case Circuit Breaker Frame – 800A – 3-Pole / 3-Phase – 600V – 50kA @ 480V – Bolt-On – Series C MDL

Out of stock

(0)

Regular price From $1,916.89

Regular price ~~$2,785.99~~ Sale price From $1,916.89
Sale

Eaton Cutler-Hammer

Eaton MDL3800 Molded Case Circuit Breaker – 800A – 3-Pole / 3-Phase – 600V – 65kA @ 240V / 50kA @ 480V – Feed-Thru – Series C MDL

In stock

(0)

Regular price From $3,199.00

Regular price ~~$3,915.99~~ Sale price From $3,199.00
My Circuit Breakers

Siemens LGB1B015B 15A 1-Pole 480V LGB Molded Case Circuit Breaker

In stock

(0)

Regular price From $74.99
Sale

Eaton Cutler-Hammer

Eaton LD3600F Molded Case Circuit Breaker Frame – 600A – 3-Pole / 3-Phase – 600V – 35kA @ 480V – Bolt-On – Series C LD

In stock

(0)

Regular price From $1,915.89

Regular price ~~$3,076.99~~ Sale price From $1,915.89
Sale

Eaton Cutler-Hammer

Eaton HLD3600F Molded Case Circuit Breaker Frame – 600A – 3-Pole / 3-Phase – 600V – 65kA @ 480V – Bolt-On – Series C HLD

In stock

(0)

Regular price From $3,429.99

Regular price ~~$6,045.00~~ Sale price From $3,429.99
Sale

Eaton Cutler-Hammer

Eaton KDC3400F Molded Case Circuit Breaker Frame – 400A – 3-Pole / 3-Phase – 600V – 100kA @ 480V – Bolt-On – Series C KDC

In stock

(0)

Regular price From $1,723.81

Regular price ~~$2,189.99~~ Sale price From $1,723.81
Sale

Eaton Cutler-Hammer

Eaton CC3150 Molded Case Circuit Breaker – 150A – 3-Pole – 240V AC – 10kA – Base Mount – CC Series

In stock

(0)

Regular price From $350.85

Regular price ~~$556.99~~ Sale price From $350.85
Sale

Eaton Cutler-Hammer

Eaton HJD3250F Molded Case Circuit Breaker Frame – 250A – 3-Pole – 600V – 65kA @ 480V – Bolt-On – Series C HJD

In stock

(0)

Regular price From $999.00

Regular price ~~$1,669.99~~ Sale price From $999.00
Sale

Schneider Electric

Square D BDA36080 Molded Case Circuit Breaker – 80A – 3-Pole – 600Y/347V AC – 25kAIC @ 240V – I-Line Plug-In – PowerPacT B Series

In stock

(0)

Regular price From $514.49

Regular price ~~$1,225.00~~ Sale price From $514.49
My Circuit Breakers

Siemens B34000S01 Molded Case Circuit Breaker – 40A – 3-Pole – 240VAC – Panelboard Mounting – Type BL Series

In stock

(0)

Regular price $202.85
Sale

Eaton Cutler-Hammer

Eaton KD3400F Molded Case Circuit Breaker Frame – 400A – 3-Pole – 600V – 35kA – Bolt-On – Series C KD

In stock

(0)

Regular price From $881.99

Regular price ~~$4,525.86~~ Sale price From $881.99
Eaton Cutler-Hammer

Eaton HKD3400F Molded Case Circuit Breaker Frame – 400A – 3-Pole – 600V – 65kA – Bolt-On – Series C HKD

In stock

(0)

Regular price From $1,199.00
Sale

GE

GE TEY3100 Molded Case Circuit Breaker – 100A – 3-Pole – 480Y/277VAC – 14kAIC @ 480Y/277V – Bolt-On – Q-Line TEY

In stock

(0)

Regular price From $228.99

Regular price ~~$649.00~~ Sale price From $228.99
Siemens / ITE

Siemens F6N3R Molded Case Circuit Breaker Enclosure – 250A – FD Frame – 600V – Type 3R – Outdoor – SENTRON

In stock

(0)

Regular price $1,209.99
GE

GE SRPF250A250 Rating Plug – 225A – 3-Pole – 600VAC – 2250A Max Instantaneous – Interchangeable – Molded Case Breaker – Spectra Series

In stock

(0)

Regular price From $96.99
Eaton Cutler-Hammer

Eaton KT3300T Trip Unit – 300A – Trip Unit – Molded Case – Overcurrent Protection – Internal Mount – Eaton/Cutler-Hammer Series

In stock

(0)

Regular price From $240.99
My Circuit Breakers

Siemens NEG1B030 – 30A 1-Pole 480V Bolt-On Molded Case Circuit Breaker – Thermal Magnetic – EG Frame

In stock

(0)

Regular price From $75.00

1…8 91011 12…120

Our newsletter

Subscribe to our newsletter and receive special offers

Your email

Contact Us

866-972-6370

sales@mycircuitbreakers.com

19802 Spanish Needle Court
Riverside California 92508
United States

Customer Help

About Us
Contact Us
FAQ
Start Return

Store Policies

Return and Refund Policy
Terms of Service
Privacy Policy
Shipping Policy

© 2026, My Circuit Breakers -

Payment methods

Your cart

Your cart is empty