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Circuit Breakers, Fuses & Protection

3,483 listings

3,444 Circuit Breakers, Fuses & Protection listings are on our shelves today, each one photographed as the actual unit that ships – not a stock picture. It spans 8 categories, led by Fuses, Circuit Breakers & Accessories and Miniature & DIN Rail Circuit Breakers.

More about Circuit Breakers, Fuses & Protection

Top brands here include Bussmann, Mersen and Eaton. By condition, the stock breaks down as 1,458 open box, 1,192 used, 762 new surplus, 17 refurbished and 15 sold for parts or repair. You can pick one up for as little as $5; the most expensive is $15,074. Everything ships from Princeton, TX: orders placed by 3 PM CT on a business day (Mon–Fri) go out the same day, and shipping is free to the lower 48. Freight-size items are quoted after packing. Our 30-day guarantee covers every item here except those sold for parts or repair.

Categories in Circuit Breakers, Fuses & Protection

1–24 of 3,483 results

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Siemens 5SY4102-7 MCB C2 Miniature Circuit Breaker

Siemens

5SY4102-7

Siemens 5SY4102-7 MCB C2 Miniature Circuit Breaker 1-Pole 2A 230V 10kA DIN Rail

New – Open Box

In stock

Free shippingShips next business day

$14.89

Siemens 5SJ4111-7HG41 Miniature Circuit Breaker

Siemens

5SJ4111-7HG41

Siemens 5SJ4111-7HG41 Miniature Circuit Breaker 5A 1-Pole C-Curve 240V DIN Rail

New – Open Box

Only 4 left

Free shippingShips next business day

$24.89

Siemens 5SJ4110-7HG41 Miniature Circuit Breaker

Siemens

5SJ4110-7HG41

Siemens 5SJ4110-7HG41 Miniature Circuit Breaker 10A 1-Pole C-Curve 240V DIN Rail

New – Open Box

Only 3 left

Free shippingShips next business day

$11.89

Mitsubishi CP30-BA Circuit Protector Industrial

Mitsubishi

CP30-BA

Mitsubishi CP30-BA 2P 2-M 0.25A B Circuit Protector 2-Pole 250VAC Industrial

New – Open Box

Only 2 left

Free shippingShips next business day

$129.89

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 next business day

$35.89

GE Multilin DCCT-2 Current Transductor 4000:1

GE Multilin

DCCT-2

GE Multilin DCCT-2 X400-0005 DCCT20000 Current Transductor 120V 60Hz 200A 4000:1

New – Open Box

Only 1 left

Free shippingShips next business day

$643.89

Mersen GGM8 Acting Fuse

Mersen

GGM8

Ferraz Shawmut GGM8 Fast Acting Fuse 8A 125VAC 10kA 5x20mm Glass Mersen LOT OF 5

New – Open Box Lot of 5

Only 1 lot left

Free shippingShips next business day

$8.89 / lot of 5

Hitachi FXS Capacitor

Hitachi

Hitachi FXS 6800MFD 400VDC Capacitor Surge 450VD

Hitachi FXS 6800MFD 400VDC Capacitor Surge 450VDC w/ Mounting Bracket Industrial

Used

Only 1 left

Free shippingShips next business day

$144.89

Bussmann GMD-1.5A Time Delay Glass Fuse

Bussmann

GMD-1.5A

Bussmann GMD-1.5A Time Delay Glass Fuse 1.5A 250V 5x20mm Slow Blow Electrical

New – Open Box

In stock

Free shippingShips next business day

$8.89

Marsh 10076-SS-A Surge Suppressor

Marsh

10076-SS-A

Marsh 10076-SS-A Surge Suppressor 120VAC 5A 60Hz 600VA Receptacle Enclosure Part

New – Open Box

Only 1 left

Free shippingShips next business day

$499.99

Cutler-Hammer APF120N03 EMI Filter Surge Suppressor

Cutler-Hammer

APF120N03

Eaton Cutler-Hammer APF120N03 Powerline EMI Filter Surge Suppressor 120V 3A 60Hz

New – Open Box

Only 1 left

Free shippingShips next business day

$32.89

AutomationDirect DN-F10L110 Fuse Terminal Block

AutomationDirect

DN-F10L110

Automation Direct DN-F10L110 Fuse Terminal Block LED 110VAC/DC 5x20mm LOT OF 10

New – Open Box Lot of 10

Only 1 lot left

Free shippingShips next business day

$29.89 / lot of 10

Cutler-Hammer AGSHWCH120N05XS Surge Suppressor EMI Filter

Cutler-Hammer

AGSHWCH120N05XS

Eaton Cutler-Hammer AGSHWCH120N05XS Aegis Surge Suppressor EMI Filter 120VAC 5A

New – Open Box

Only 1 left

Free shippingShips next business day

$39.89

Allen-Bradley 194R-LNC1 Terminal

Allen-Bradley

194R-LNC1

Allen-Bradley 194R-LNC1 Ser B Terminal Shield 30A Bulletin 194R Disconnect Part

New Surplus – Open Box

Only 1 left

Free shippingShips next business day

$8.89

Square D QHB115 Type QOB Bolt-On Circuit Breaker

Square D

QHB115

Square D QHB115 Type QOB 1 Pole 15A 65kA Bolt-On Circuit Breaker 120/240VAC HACR

New – Open Box

In stock

Free shippingShips next business day

$69.99

Bussmann BCM603-XSQ Class CC Fuse Holder

Bussmann

BCM603-XSQ

Bussmann BCM603-xSQ Class CC Fuse Holder 1-Pole 30A 600V 10-18AWG Industrial

New – Open Box

Only 1 left

Free shippingShips next business day

$9.89

Eaton 51100-60 Kearney Fitall Type Fuse

Eaton

51100-60

Eaton Kearney Fitall 51100-60 Type T Fuse Link 100 Amp Medium Voltage Cutout

New – Open Box

In stock

Free shippingShips next business day

$9.89

Cutler-Hammer AGSHWCH120N05XS Aegis Power Line EMI Filter

Cutler-Hammer

AGSHWCH120N05XS

Eaton Cutler-Hammer AGSHWCH120N05XS Aegis Power Line EMI Filter TVSS 120VAC 5A

New – Open Box

Only 1 left

Free shippingShips next business day

$39.89

Eaton Quicklag Circuit Breaker

Eaton

Eaton QCRSPACER Quicklag Circuit Breaker Spacer

Eaton QCRSPACER Quicklag Circuit Breaker Spacer DIN Rail Rear Mount HACR Rated

New – Open Box

In stock

Free shippingShips next business day

$16.89

Siemens 3NW7 Fuse Holder

Siemens

3NW7

Siemens 3NW7 5130HG Fuse Holder Class CC 1-Pole 30A 600V UL DIN Rail Industrial

New – Open Box

Only 1 left

Free shippingShips next business day

$28.89

Nordson 274990 Degree Hot Melt Adhesive Filter

Nordson

274990

Nordson 274990 In-Line Non-Heated 45 Degree Hot Melt Adhesive Filter Industrial

New – Open Box

Only 1 left

Free shippingShips next business day

$17.89

Nordson 1031203 DuraBlue Main Board Fuses

Nordson

1031203

Nordson 1031203 DuraBlue Main Board Fuses Service Kit Hot Melt Industrial Part

New – Open Box

Only 1 left

Free shippingShips next business day

$96.89

Schneider Electric 48814 Masterpact NT Circuit Breaker

Schneider Electric

48814

Schneider Electric 48814 Micrologic 3.0 Trip Unit Masterpact NT Circuit Breaker

Used

Only 1 left

Free shippingShips next business day

$690.89

General Electric 569B869P5 Type TEY Circuit Breaker

General Electric

569B869P5

General Electric 569B869P5 569B869P2 1 Pole 20A Type TEY Circuit Breaker 277VAC

Used

Only 1 left

Free shippingShips next business day

$13.89

Circuit Breakers, Fuses & Protection: common questions

Do you have Circuit Breakers, Fuses & Protection in stock?

Yes. 3,444 Circuit Breakers, Fuses & Protection listings are in stock right now, priced from $5 to $15,074. Every one is photographed, and all of them are listed on this page.

Which brands do you carry in Circuit Breakers, Fuses & Protection?

Mostly Bussmann, Mersen and Eaton, plus 194 more brands. The Brand filter on this page narrows the list to one maker.

Do in-stock items in Circuit Breakers, Fuses & Protection ship the same day?

Yes, when you order by 3 PM CT on a business day (Mon–Fri): in-stock items ship the same day from Princeton, TX, with free shipping to the lower 48. Freight-size items are quoted after packing.

Can I request a part you don't list in Circuit Breakers, Fuses & Protection?

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–Fri 9–3:30 CT).