Bussmann
J60030-1CR
Bussmann J60030-1CR Class J Fuse Holder 1-Pole 600V 30A Block Industrial USA
Only 2 left
Free shippingShips next business day
$9.89
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
- Fuses1,575 in stock
- Circuit Breakers & Accessories826 in stock
- Miniature & DIN Rail Circuit Breakers307 in stock
- Fuse Holders & Fuse Blocks252 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers130 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Square D
QOD330
Square D QOD330 Circuit Breaker 30A 3 Pole 240VAC 10kA HACR Industrial Panel
Only 1 left
Free shippingShips next business day
$27.89
Industrial part
5SA22
Diazed 5SA22 Ceramic Bottle Fuse Link 4A 500V Time Lag Industrial Electrical
Only 4 left
Free shippingShips next business day
$14.89
General Electric
V76150
General Electric V76150 V-Line Circuit Breaker 1 Pole 50A C Curve 250V DIN Rail
In stock
Free shippingShips next business day
$15.89
Mersen
USCC1I
Ferraz Shawmut USCC1I X213943 UltraSafe Class CC Fuse Holder 30A 600V Industrial
Only 3 left
Free shippingShips next business day
$9.89
Allen-Bradley
1492-SP2C050
Allen Bradley 1492-SP2C050 Supplementary Protector 5A 2 Pole 415VAC DIN Breaker
In stock
Free shippingShips next business day
$9.89
Westinghouse
QC3015H
Westinghouse QC3015H Quicklag C 3-Pole 15A 240VAC Circuit Breaker Industrial
Only 1 left
Free shippingShips next business day
$9.89
Industrial part
5SB26
5SB26 Diazed DII Bottle Fuse Link 16A 500V gL/gI Ceramic Industrial Electrical
Only 3 left
Free shippingShips next business day
$12.89
Industrial part
5SB23
5SB23 Diazed DII Bottle Fuse Link 6A 500V gL/gI Ceramic Industrial Electrical
Only 2 left
Free shippingShips next business day
$11.89
General Electric
SGLA36AI0400
GE Spectra RMS SGLA36AI0400 Circuit Breaker 400A Frame 3 Pole 600V 300A Plug
Only 1 left
Freight – quoted after packing
Make an offer on General Electric SGLA36AI0400
Industrial part
NON11351L
Medline NON11351L Back Support with Suspenders Large 34-38 Inch Black Latex Free
Only 1 left
Free shippingShips next business day
$15.89
Siemens
3RV1421-1JA10
Siemens 3RV1421-1JA10 Circuit Breaker 7-10A 690V 100kA Industrial Electrical
Only 1 left
Free shippingShips next business day
$28.89
Daito
Daito 6.3A Blade Fuse Industrial Electrical Cont
Daito 6.3A Blade Fuse Industrial Electrical Control Panel Component Lot of 5
Only 2 lots left
Free shippingShips next business day
$14.89 / lot of 5
Daito
Daito 0.32A Blade Fuse Industrial Electrical Con
Daito 0.32A Blade Fuse Industrial Electrical Control Panel Component Lot of 5
In stock
Free shippingShips next business day
$14.89 / lot of 5
Daito
Daito 1.0A Blade Fuse Industrial Electrical Cont
Daito 1.0A Blade Fuse Industrial Electrical Control Panel Component Lot of 5
In stock
Free shippingShips next business day
$14.89 / lot of 5
Allen-Bradley
1494H-BA3N
Allen-Bradley 1494H-BA3N Ser A 30A Enclosed Disconnect Switch Type 1 SXE-HDSO300
Only 1 left
Free shippingShips next business day
$112.89
Schurter
0034.6616
Schurter 0034.6616 Fuse 1.25A 250VAC 125VDC Board Mount Electrical Lot of 4
Only 1 lot left
Free shippingShips next business day
$9.89 / lot of 4
Schurter
0034.6605
Schurter 0034.6605 MST 250 Fuse 100mA T 4.3 Leads Through Hole RoHS Lot of 10
Only 1 lot left
Free shippingShips next business day
$59.89 / lot of 10
Bulgin
FX0180
Bulgin FX0180 Inline Cartridge Fuse Holder 10A 250VAC 6.3x32mm Electrical Part
In stock
Free shippingShips next business day
$15.89
Littelfuse
V20E550P
Littelfuse V20E550P UltraMOV Radial Varistor 550V MOV Surge Protection LOT OF 5
Only 4 lots left
Free shippingShips next business day
$20.89 / lot of 5
Bussmann
H25100-1CR
Buss H25100-1CR Fuse Holder 250V 100A Class H Fuse Block 10K RMS 1/0-8 CU/AL
Only 1 left
Free shippingShips next business day
$9.89
Thomas & Betts
1DPB1
Thomas & Betts 1DPB1 Color-Keyed Insulator for Disconnects Size 2 600V 90C UL
Only 1 left
Free shippingShips next business day
$21.89
Siemens
3RV2811-1FD10
Siemens 3RV2811-1FD10 Sirius Circuit Breaker 3 Pole 480Y/277V 65kA Industrial
Only 1 left
Free shippingShips next business day
$27.89
Wohner
31958
Wohner 31958 AEL CC Busbar Mount Fuse Holder 3 Pole 30A 600V Class CC Electrical
Only 1 left
Free shippingShips next business day
$25.89
Get a quote on Circuit Breakers, Fuses & Protection
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 – we reply within 1 hour during business hours (Mon–Fri 9–3:30 CT).
Guides for Circuit Breakers, Fuses & Protection
- Circuit protectionMolded Case Circuit Breaker Ratings & ReplacementsFrame size, trip rating, interrupting rating (kA), voltage and slash ratings, trip units and mounting – and a checklist for a safe replacement.
- Parts identificationHow to Read Breaker & VFD Nameplates and Date CodesFrame, trip and interrupting ratings on breakers; input, output, duty ratings and series on drives – and where to look for the date of manufacture.