Mitsubishi
CP30-BA
Mitsubishi CP30-BA AC/DC 3A 2 Pole 2.5kA
Only 1 left
Free shippingShips next business day
$25.95
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 Breakers132 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Eaton
PKZMO-10XTPR010BC1
Eaton PKZMO-10XTPR010BC1 10A
Only 1 left
Free shippingShips next business day
$32.95
Fuji Electric
SA103RCUL
Fuji Auto Breaker SA103RCUL 100A 220VAC 100kA 3 Pole 240VAC 480Y/277VAC
Only 1 left
Free shippingShips next business day
$73.95
Fuji Electric
SA32C
Fuji Electric SA32C 5A 2-Pole Auto Circuit Breaker BB2ASC-005 Used
Only 2 left
Free shippingShips next business day
$13.89
Fuji Electric
SA32C
Fuji Electric SA32C BB2ASC-003 100-230V 50-60HZ 5A Circuit Breaker
Only 2 left
Free shippingShips next business day
$31.95
Square D
Square D Breaker Operator Switch
Square D Breaker Operator Switch
Only 3 left
Free shippingShips next business day
$54.95
Fuji Electric
SG103CUL
Fuji Earth Breaker SG103CUL 100. 100 Amp w/ Auxiliary Switch. Only Breaker
Only 2 left
Free shippingShips next business day
$119.95
Fuji Electric
SA33C
Fuji Electric FA SA33C BB3ASC-015 AC 690V AC 500V 50-60HZ 15A
In stock
Free shippingShips next business day
$27.95
Fuji Electric
EA53C
Fuji Electric EA53C BB3BEC-030 30A AC 690V 50-60HZ AC220
In stock
Free shippingShips next business day
$27.95
Fuji Electric
CP32FM/2
Fuji CP32FM/2 Circuit Breaker AC250V, DC125V 2 Pole
Only 4 left
Free shippingShips next business day
$14.95
Mitsubishi
NF100-SRU
Mitsubishi NF100-SRU NF100-SRU3075 8P 50/60HZ 240VAC 35kA 75A
Only 1 left
Free shippingShips next business day
$24.95
Mitsubishi
NF50-SVFU315
Mitsubishi NF50-SVFU315 Circuit Breaker 15A 200VAC 3P 50/60Hz Electrical OEM
In stock
Free shippingShips next business day
$52.89
Mitsubishi
NF50-SVFU
Mitsubishi NF50-SVFU NF50 SVFU330 30A 3P 50/60HZ
Only 2 left
Free shippingShips next business day
$249.95
Mitsubishi
NF50-SVFU
Mitsubishi NF50-SVFU 15A NF50 SVFU215 AC200V 15A 50/60HZ Pole 2P
In stock
Free shippingShips next business day
$134.95
Mitsubishi
NF50-SVFU
Mitsubishi NF50-SVFU NF50-SVFU305 5A 3P 200VAC 50/60HZ 240VAC
Only 4 left
Free shippingShips next business day
$97.95
Mitsubishi
CP30-BA
Mitsubishi Circuit Protector CP30-BA 2A
Only 5 left
Free shippingShips next business day
$12.95
Eaton
4038108C09B
Eaton 4038108C09B Fuse Accessories Holder Block Industrial Electrical OEM Part
In stock
Free shippingShips next business day
$19.89
Square D
060AL150HD
Square D HL 060AL150HD HLL36035
Only 1 left
Free shippingShips next business day
$434.95
Square D
FH36050
Square D FH36050 50A 600VAC 3-Pole I-Line Thermal Magnetic Circuit Breaker OEM
Only 1 left
Free shippingShips next business day
$61.89
Fuji Electric
SA33C
Fuji Electric SA33C Auto Circuit Breaker 20A 220VAC 50/60Hz Industrial OEM Part
Only 4 left
Free shippingShips next business day
$10.89
Square D
FHP36090-1212
Square D FHP36090-1212 Circuit Breaker 90A 3 Pole 600V FHP High Interrupting
Only 3 left
Free shippingShips next business day
$308.89
Bussmann
BC6032P
Cooper Bussmann BC6032P Fuse Holder 30A 600V Class CC Industrial Electrical OEM
In stock
Free shippingShips next business day
$8.89
Square D
9080PF1
Square D 9080PF1 Fuse Holder 30A 250VAC 10kA Class H Industrial Electrical OEM
In stock
Free shippingShips next business day
$6.89
Fuji Electric
SA33C
Fuji Electric SA33C Auto Circuit Breaker 690VAC 50/60Hz Industrial OEM Part
In stock
Free shippingShips next business day
$11.89
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.