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:

4764 Products

Sale

Schneider Electric

Square D EJB36030 30 Amp Molded Case Circuit Breaker – 3 Pole – 600Y/347 V AC – Bolt-On – EJB Series

In stock

(0)

Regular price From $1,680.69

Regular price ~~$1,714.99~~ Sale price From $1,680.69
Schneider Electric

Square D EJB36040 40 Amp Molded Case Circuit Breaker – 3 Pole – 600Y/347 V AC – Bolt-On – EJB Series

Out of stock

(0)

Regular price From $1,714.99
Sale

Schneider Electric

Square D EJB36060 60 Amp Molded Case Circuit Breaker – 3 Pole – 600Y/347 V AC – Bolt-On – EJB Series

In stock

(0)

Regular price From $1,714.99

Regular price ~~$2,499.99~~ Sale price From $1,714.99
Sale

Schneider Electric

Square D EJB36045 15 Amp Molded Case Circuit Breaker – 3 Pole – 600Y/347 V AC – Bolt-On – EJB Series

In stock

(0)

Regular price From $1,714.99

Regular price ~~$2,499.99~~ Sale price From $1,714.99
Sale

Schneider Electric

Square D EJB36025 25 Amp Molded Case Circuit Breaker – 3 Pole – 600Y/347 V AC – Bolt-On – EJB Series

In stock

(0)

Regular price From $1,714.99

Regular price ~~$2,499.99~~ Sale price From $1,714.99
Sale

Eaton Cutler-Hammer

Eaton KD3400W 350 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – K-Frame – Series C

In stock

(0)

Regular price From $1,763.99

Regular price ~~$2,139.99~~ Sale price From $1,763.99
Sale

Eaton Cutler-Hammer

Eaton KD3400C 350 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – K-Frame – Series C

In stock

(0)

Regular price From $1,677.75

Regular price ~~$2,139.99~~ Sale price From $1,677.75
Sale

Eaton Cutler-Hammer

Eaton KD3400X 350 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – K-Frame – Series C

In stock

(0)

Regular price From $1,887.47

Regular price ~~$2,139.99~~ Sale price From $1,887.47
Sale

Eaton Cutler-Hammer

Eaton KD3400Y 350 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – K-Frame – Series C

In stock

(0)

Regular price From $1,887.47

Regular price ~~$2,139.99~~ Sale price From $1,887.47
Sale

Eaton Cutler-Hammer

Eaton KDB3250W 250 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $2,068.77

Regular price ~~$3,570.99~~ Sale price From $2,068.77
Sale

Eaton Cutler-Hammer

Eaton KDB3250C 250 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $1,394.53

Regular price ~~$1,778.99~~ Sale price From $1,394.53
Sale

Eaton Cutler-Hammer

Eaton KDB3250X 250 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $1,394.53

Regular price ~~$1,778.99~~ Sale price From $1,394.53
Sale

Eaton Cutler-Hammer

Eaton PDG23F0150TFFJ 150 Amp Molded Case Circuit Breaker – 3 Pole – 25 kA@480 V – Frame 2 – Power Defense Series

In stock

(0)

Regular price From $610.53

Regular price ~~$778.99~~ Sale price From $610.53
Sale

Eaton Cutler-Hammer

Eaton PDG23G0020TFFJ 20 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Frame 2 – Power Defense Series

In stock

(0)

Regular price From $518.41

Regular price ~~$580.99~~ Sale price From $518.41
Sale

Eaton Cutler-Hammer

Eaton PDG23G0040TFFJ 40 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Frame 2 – Power Defense Series

In stock

(0)

Regular price From $443.93

Regular price ~~$565.99~~ Sale price From $443.93
Sale

Eaton Cutler-Hammer

Eaton KDB3250Y 250 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $1,394.53

Regular price ~~$1,778.99~~ Sale price From $1,394.53
Sale

Eaton Cutler-Hammer

Eaton KDB3300C 300 Amp Molded Case Circuit Breaker – 3 Pole – 600 V AC / 250 V DC – 35 kA@480 V – Series C

In stock

(0)

Regular price From $1,428.83

Regular price ~~$1,821.99~~ Sale price From $1,428.83
Sale

Eaton Cutler-Hammer

Eaton KDB3300X 300 Amp Molded Case Circuit Breaker – 3 Pole – 600 V AC / 250 V DC – 35 kA@480 V – Series C

In stock

(0)

Regular price From $1,428.83

Regular price ~~$1,821.99~~ Sale price From $1,428.83
Sale

Eaton Cutler-Hammer

Eaton KDB3300Y 300 Amp Molded Case Circuit Breaker – 3 Pole – 600 V AC / 250 V DC – 35 kA@480 V – Series C

In stock

(0)

Regular price From $1,428.83

Regular price ~~$1,821.99~~ Sale price From $1,428.83
Sale

Eaton Cutler-Hammer

Eaton KDB3400C 400 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $1,817.89

Regular price ~~$2,318.99~~ Sale price From $1,817.89
Sale

Eaton Cutler-Hammer

Eaton KDB3400X 400 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $1,817.89

Regular price ~~$2,318.99~~ Sale price From $1,817.89
Sale

Eaton Cutler-Hammer

Eaton KDB3400Y 400 Amp Molded Case Circuit Breaker – 3 Pole – 35 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $1,817.89

Regular price ~~$2,318.99~~ Sale price From $1,817.89
Sale

Eaton Cutler-Hammer

Eaton KDC3200W 200 Amp Molded Case Circuit Breaker – 3 Pole – 100 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $2,626.39

Regular price ~~$2,977.99~~ Sale price From $2,626.39
Sale

Eaton Cutler-Hammer

Eaton KDC3200C 200 Amp Molded Case Circuit Breaker – 3 Pole – 100 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $2,334.35

Regular price ~~$2,977.99~~ Sale price From $2,334.35
Sale

Eaton Cutler-Hammer

Eaton KDC3200X 200 Amp Molded Case Circuit Breaker – 3 Pole – 100 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $2,626.39

Regular price ~~$2,977.99~~ Sale price From $2,626.39
Sale

Eaton Cutler-Hammer

Eaton KDC3200Y 200 Amp Molded Case Circuit Breaker – 3 Pole – 100 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $2,267.71

Regular price ~~$2,977.99~~ Sale price From $2,267.71
Sale

Eaton Cutler-Hammer

Eaton KDC3225W 225 Amp Molded Case Circuit Breaker – 3 Pole – 100 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $3,155.59

Regular price ~~$3,577.99~~ Sale price From $3,155.59
Sale

Schneider Electric

Square D HDA36150U31X 150 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 14 kA@600 V – I-Line – PowerPact H-Frame

In stock

(0)

Regular price From $1,076.01

Regular price ~~$1,569.99~~ Sale price From $1,076.01
Sale

Eaton Cutler-Hammer

Eaton KDC3225C 225 Amp Molded Case Circuit Breaker – 3 Pole – 100 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $2,804.75

Regular price ~~$3,577.99~~ Sale price From $2,804.75
Sale

Eaton Cutler-Hammer

Eaton KDC3225X 225 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 100 kA@480 V – Feed-Thru – Series C

In stock

(0)

Regular price From $3,155.59

Regular price ~~$3,577.99~~ Sale price From $3,155.59
Sale

Schneider Electric

Square D HJA36060U31X 60 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 65 kA@480 V – I-Line Plug-On – PowerPact HJA Series

In stock

(0)

Regular price From $1,378.00

Regular price ~~$1,449.99~~ Sale price From $1,378.00
Sale

Siemens / ITE

Siemens MXD63B800L 800 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 50 kA@480 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $2,949.79

Regular price ~~$4,299.99~~ Sale price From $2,949.79
Sale

Siemens / ITE

Siemens JXD63B250 250 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 35 kA@480 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $1,153.45

Regular price ~~$1,680.99~~ Sale price From $1,153.45
Sale

Siemens / ITE

Siemens JXD63B225L 225 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 35 kA@480 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $1,440.59

Regular price ~~$2,599.83~~ Sale price From $1,440.59
Sale

Siemens / ITE

Siemens JXD23B300L 300 Amp Molded Case Circuit Breaker – 3 Pole – 240 V – 65 kA@240 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $1,413.15

Regular price ~~$2,821.00~~ Sale price From $1,413.15
Sale

Siemens / ITE

Siemens JXD23B300L 300 Amp Molded Case Circuit Breaker – 3 Pole – 240 V – 65 kA@240 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $1,197.55

Regular price ~~$2,304.02~~ Sale price From $1,197.55
Sale

Siemens / ITE

Siemens JXD23B225L 225 Amp Molded Case Circuit Breaker – 3 Pole – 240 V – 65 kA@240 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $1,074.07

Regular price ~~$2,114.15~~ Sale price From $1,074.07
Sale

Siemens / ITE

Siemens JD63B400L 400 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 35 kA@480 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $1,440.59

Regular price ~~$2,099.99~~ Sale price From $1,440.59
Sale

Siemens / ITE

Siemens JD63B300L 300 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 35 kA@480 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $734.01

Regular price ~~$1,069.99~~ Sale price From $734.01
Sale

Siemens / ITE

Siemens HMXD63B800L 800 Amp Molded Case Circuit Breaker – 3 Pole – 600 V – 65 kA@480 V – Bolt-On – SENTRON Series

In stock

(0)

Regular price From $3,772.99

Regular price ~~$5,499.99~~ Sale price From $3,772.99

1…79 808182 83…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