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Circuit Breakers, Fuses & Protection

3,512 listings · 3,453 in stock

3,512 Circuit Breakers, Fuses & Protection listings in 8 categories, from makers like Bussmann, Mersen, Eaton. Surplus, used and new-surplus, every item photographed. Free shipping in the lower 48 and zero lead time on everything in stock.

Categories in Circuit Breakers, Fuses & Protection

2,809–2,832 of 3,512 results

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Mersen OT6 One-Time Class K5 Fuse

Mersen

OT6

Gould Shawmut OT6 One-Time Class K5 Fuse 6 Amp 250VAC Cartridge Electrical Panel

Used

Only 3 left

Free shippingShips next business day

$9.89

Make an offer on Mersen OT6
Allen-Bradley 23642 Circuit Breaker

Allen-Bradley

23642

Allen-Bradley 23642 Rev A Circuit Breaker On-Off Operating Mechanism Assembly

Used

Only 1 left

Free shippingShips next business day

$198.89

Make an offer on Allen-Bradley 23642
109W2793P001 Fuse Holder

Industrial part

109W2793P001

109W2793P001 Fuse Holder 3 Phase 7.2KV Switchgear Industrial Electrical Part

New

Only 1 left

Free shippingShips next business day

$1,998.89

Make an offer on 109W2793P001
Westinghouse LB3400F Circuit Breaker

Westinghouse

LB3400F

Westinghouse LB3400F Circuit Breaker 3 Pole 400A 600VAC Cutler-Hammer LB Frame

Used

Only 1 left

Free shippingShips next business day

$88.89

Make an offer on Westinghouse LB3400F
Square D H-30-SV Disconnect Switch

Square D

H-30-SV

Square D H-30-SV Disconnect Switch 30A 600V 3 Pole Fusible Safety Industrial

Used

Only 1 left

Free shippingShips next business day

$38.89

Make an offer on Square D H-30-SV
610268-12R Fuse Holder

Industrial part

610268-12R

610268-12R Fuse Holder Kit Bracket Clip Electrical Industrial Hardware Lot of 3

New – Open Box Lot of 3

Only 1 lot left

Free shippingShips next business day

$14.89 / lot of 3

Make an offer on 610268-12R
E-t-a QH190014 Circuit Breaker

E-t-a

QH190014

E-T-A QH190014 Circuit Breaker 250VAC 28VDC Push Button Panel Mount Bag of 2

New – Open Box Lot of 2

Only 1 lot left

Free shippingShips next business day

$1,998.89 / lot of 2

Make an offer on E-t-a QH190014
Mersen A50P70 Amp-Trap Semiconductor Fuse

Mersen

A50P70

Gould Shawmut A50P70 Amp-Trap Semiconductor Fuse 70A 500VAC Type 4 Form 101

New – Open Box

Only 1 left

Free shippingShips next business day

$9.89

Make an offer on Mersen A50P70
Mersen OT35 One-Time Fuse

Mersen

OT35

Shawmut OT35 One-Time Fuse 35A 250VAC 50kA Cartridge Industrial Electrical Part

New – Open Box

In stock

Free shippingShips next business day

$9.89

Make an offer on Mersen OT35
Mersen 60308J Class Fuse Block Holder

Mersen

60308J

Ferraz Shawmut 60308J Class J Fuse Block Holder 600V 30A Industrial Electrical

New – Open Box

Only 3 left

Free shippingShips next business day

$9.89

Make an offer on Mersen 60308J
Mersen A50P800 Amp-Trap Semiconductor Fuse

Mersen

A50P800

Gould Shawmut Amp-Trap A50P800 Semiconductor Fuse 800A 500VAC Type 4 Form 101

Used

Only 3 left

Free shippingShips next business day

$15.89

Make an offer on Mersen A50P800
Littelfuse L70S250 POWR-GARD Semiconductor Fuse

Littelfuse

L70S250

Littelfuse POWR-GARD L70S250 Semiconductor Fuse 250A 700VAC 650VDC Industrial

Used

Only 1 left

Free shippingShips next business day

$12.89

Make an offer on Littelfuse L70S250
Littelfuse 3961200044 TE5 Time-Lag Slow Blow Fuse

Littelfuse

3961200044

Littelfuse 3961200044 TE5 Time-Lag Slow Blow Fuse 2A Radial Electronic Bag of 10

New – Open Box Lot of 10

Only 2 lots left

Free shippingShips next business day

$15.89 / lot of 10

Make an offer on Littelfuse 3961200044
3961315044 TE5 Time Lag Fuse

Industrial part

3961315044

3961315044 TE5 Time Lag Fuse 3.15A Subminiature Board Mount Electronic Bag of 10

New – Open Box Lot of 10

Only 2 lots left

Free shippingShips next business day

$13.89 / lot of 10

Make an offer on 3961315044
E-t-a 127-T12-H Thermal Circuit Breaker

E-t-a

127-T12-H

E-T-A 127-T12-H Thermal Circuit Breaker 28VDC Push Button Reset Aviation Marine

Used

In stock

Free shippingShips next business day

$13.89

Make an offer on E-t-a 127-T12-H
ETA 127-T12-H Overcurrent Circuit Breaker

ETA

127-T12-H

ETA 127-T12-H Thermal Overcurrent Circuit Breaker 1 Pole Panel Mount Industrial

New

In stock

Free shippingShips next business day

$20.89

Make an offer on ETA 127-T12-H
Eaton XTPMP25B Manual Motor

Eaton

XTPMP25B

Eaton XTPMP25B Manual Motor Protector Magnetic Only 0.25A Frame B Rotary Switch

New

In stock

Free shippingShips next business day

$29.89

Make an offer on Eaton XTPMP25B

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