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Molded Case Circuit Breakers

155 listings · 135 in stock

135 Molded Case Circuit Breakers listings are on our shelves today, each one photographed as the actual unit that ships, not a stock picture. The brands we stock most here are Square D, General Electric and Eaton.

More about Molded Case Circuit Breakers

In terms of condition, there are 76 used, 36 open box, 12 new surplus, 6 sold for parts or repair and 5 refurbished. Prices start at $8.89 and go up to $5,449.89. Everything ships from Princeton, TX: orders placed by 3 PM CT on a business day (Mon to Fri) go out the same day, and shipping is free to all 50 US states. Our 30-day guarantee covers every item here except those sold for parts or repair.

Weekly new-arrivals email for Molded Case Circuit Breakers

1 to 24 of 155 results

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Eaton GHB3035 Molded Case Circuit Breaker

Eaton

GHB3035

Eaton GHB3035 Molded Case Circuit Breaker 3 Pole 35A 277/480V 14kA HACR 50/60Hz

New, Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$122.89

Make an offer on Eaton GHB3035
Eaton GHB3020 Molded Case Circuit Breaker

Eaton

GHB3020

Eaton GHB3020 Molded Case Circuit Breaker 3 Pole 20A 480VAC 65kA 50/60Hz HACR

Used

Only 2 left

Free shippingShips today by 3 PM CT

$52.89

Make an offer on Eaton GHB3020
Siemens BQ2B010 Molded Case Circuit Breaker

Siemens

BQ2B010

Siemens BQ2B010 Molded Case Circuit Breaker 2 Pole 10A 120/240VAC Bolt-On CU/AL

New, Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$141.89

Make an offer on Siemens BQ2B010
Square D FAL36030 2 Molded Case Circuit Breaker

Square D

FAL36030

Square D FAL36030 Ser. 2 Molded Case Circuit Breaker 3 Pole 30A 600V AC 250V DC

Used

Only 1 left

Free shippingShips today by 3 PM CT

$11.89

Make an offer on Square D FAL36030
Cutler-Hammer FS340125B Molded Case Circuit Breaker

Cutler-Hammer

FS340125B

Cutler-Hammer FS340125B Molded Case Circuit Breaker 125A 480VAC 3 Pole F Frame

New, Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$216.89

Make an offer on Cutler-Hammer FS340125B
Eaton EHD1020 Molded Case Circuit Breaker

Eaton

EHD1020

Eaton EHD1020 Molded Case Circuit Breaker 1 Pole 20A 277VAC 125VDC Bolt-On Part

Used

Only 2 left

Free shippingShips today by 3 PM CT

$8.89

Make an offer on Eaton EHD1020
Cutler-Hammer EHD1010 Molded Case Circuit Breaker

Cutler-Hammer

EHD1010

Cutler-Hammer EHD1010 Molded Case Circuit Breaker 1 Pole 10A 277VAC 125VDC 5kA

Used

Only 1 left

Free shippingShips today by 3 PM CT

$87.89

Make an offer on Cutler-Hammer EHD1010
Eaton EHD1020 Molded Case Circuit Breaker

Eaton

EHD1020

Eaton EHD1020 1 Pole 20A Molded Case Circuit Breaker 277VAC 125VDC Industrial

New, Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$40.89

Make an offer on Eaton EHD1020
Siemens ED61B020 Molded Case Circuit Breaker

Siemens

ED61B020

Siemens ED61B020 Molded Case Circuit Breaker 20A 1 Pole 350VAC ED6 Electrical

New, Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$34.89

Make an offer on Siemens ED61B020
Square D Q1B370 Molded Case Circuit Breaker

Square D

Q1B370

Square D Q1B370 3 Pole 70A 240 VAC Bolt-On Molded Case Circuit Breaker 10kA Part

New, Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$32.89

Make an offer on Square D Q1B370
Eaton FDB3020 Molded Case Circuit Breaker

Eaton

FDB3020

Eaton FDB3020 Molded Case Circuit Breaker 3 Pole 20A 600VAC 250VDC 50/60Hz HACR

New, Open Box

In stock

Free shippingShips today by 3 PM CT

$40.89

Make an offer on Eaton FDB3020
Square D Q2L3225 Q2L Molded Case Circuit Breaker

Square D

Q2L3225

Square D Q2L3225 Type Q2L Molded Case Circuit Breaker 3 Pole 225A 240VAC 10kAIC

New, Open Box

Only 1 left

Free shippingShips today by 3 PM CT

$32.89

Make an offer on Square D Q2L3225
840412-I Molded Case Circuit Breaker

Industrial part

840412-I

840412-I Molded Case Circuit Breaker 600V 3 Pole 10000 AIC Industrial Electrical

Used

Only 1 left

Free shippingShips today by 3 PM CT

$23.89

Make an offer on 840412-I
ABB T1N SACE Tmax 100 Circuit Breaker

ABB

T1N

ABB SACE Tmax T1N 100 Circuit Breaker 50A 3 Pole 480-600Y/347V Molded Case MCCB

Used

Only 2 left

Free shippingShips today by 3 PM CT

$52.89

Make an offer on ABB T1N
Fuji Electric SA102RC Auto Breaker

Fuji Electric

SA102RC

Fuji Electric SA102RC BB2ERD-100 Auto Breaker MCCB 2-POLE 100A AC220V 100KA

Used

Only 1 left

Free shippingShips today by 3 PM CT

$97.89

Make an offer on Fuji Electric SA102RC
ABB T3S Molded Case Circuit Breaker

ABB

T3S

ABB SACE Tmax T3S 225 175 Amp 3 Pole Molded Case Circuit Breaker 600V Industrial

Used

Only 2 left

Free shippingShips today by 3 PM CT

$237.89

Make an offer on ABB T3S
Mitsubishi NF30-FAU No-Fuse Circuit Breaker

Mitsubishi

NF30-FAU

Mitsubishi NF30-FAU No-Fuse Circuit Breaker 2P 5A AC220V MCCB 50/60Hz Industrial

Used

In stock

Free shippingShips today by 3 PM CT

$12.89

Make an offer on Mitsubishi NF30-FAU

General Electric

TJJ436Y400

General Electric TJJ436Y400 Molded Case Circuit Breaker, New

New

Available

Free shippingShips in 3 to 5 business days

$4,770.89

Square D

FAL340301021

Square D FAL340301021 Molded Case Circuit Breaker, New

New

Available

Free shippingShips in 3 to 5 business days

$620.89

Fuji Electric

BW125JAGU-3P020

Fuji Electric BW125JAGU-3P020 Molded Case Circuit Breaker, New

New

Available

Free shippingShips in 3 to 5 business days

$403.89

ABB

T1N100

ABB T1N100 Molded Case Circuit Breaker, New

New

Available

Free shippingShips in 3 to 5 business days

$151.89

Eaton

PDG23G0060TFFL

Eaton PDG23G0060TFFL Molded Case Circuit Breaker, New

New

Available

Free shippingShips in 3 to 5 business days

$448.89

Eaton

PDD23G0100TFFL

Eaton PDD23G0100TFFL Molded Case Circuit Breaker, New

New

Available

Free shippingShips in 3 to 5 business days

$794.89

Siemens

ED43B020

Siemens ED43B020 Molded Case Circuit Breaker, New

New

Available

Free shippingShips in 3 to 5 business days

$357.89

Get a quote on Molded Case Circuit Breakers

Need more units than we list, a part you don't see here, or prices for a whole list? Send us the part numbers and quantities and we reply within 1 hour during business hours (Mon to Fri 9 to 4:30 CT).

Request a quote on Molded Case Circuit Breakers

Guides for Molded Case Circuit Breakers

Molded Case Circuit Breakers: common questions

Do you have Molded Case Circuit Breakers in stock?

Yes. 135 Molded Case Circuit Breakers listings are in stock right now, priced from $8.89 to $5,449.89. Every one is photographed, and all of them are listed on this page.

Which brands of Molded Case Circuit Breakers do you carry?

Mostly Square D, General Electric and Eaton, plus 15 more brands. The Brand filter on this page narrows the list to one maker.

Do in-stock items in Molded Case Circuit Breakers ship the same day?

Yes, when you order by 3 PM CT on a business day (Mon to Fri): in-stock items ship the same day from Princeton, TX, with free shipping to all 50 US states.

Can I request a part you don't list in Molded Case Circuit Breakers?

Yes. Request a quote with the part number and we check our warehouse and our sourcing network. We answer within 1 hour during business hours (Mon to Fri 9 to 4:30 CT).