Mitsubishi
NF30-FA
Mitsubishi NF30-FA Circuit Breaker 5A 220VAC 1.5kA Industrial Electrical OEM
Only 2 left
Free shippingShips next business day
$12.89
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
F&g
F&G L8-20/2/D Circuit Breaker D Curve 20A 400V 2
F&G L8-20/2/D Circuit Breaker D Curve 20A 400V 2P Industrial Electrical OEM Part
Only 1 left
Free shippingShips next business day
$12.89
F&g
F&G L8-20/3/D Circuit Breaker D Curve 20A 400V 3
F&G L8-20/3/D Circuit Breaker D Curve 20A 400V 3P Industrial Electrical OEM Part
Only 1 left
Free shippingShips next business day
$29.99
Onan
S1 0098-7643-A
Onan S1 0098-7643-A Motor Disconnect Switch
Only 1 left
Free shippingShips next business day
$148.95
Eaton
CD2-B3-DU
Eaton Heinemann CD2-B3-DU 60AMP 125V... As in Picture X3
Only 1 left
Free shippingShips next business day
$99.00
Bussmann
Bussmann SFE 4 Glass Fuse Pack of 5 Industrial E
Bussmann SFE 4 Glass Fuse Pack of 5 Industrial Electrical Automotive OEM Part
Only 1 lot left
Free shippingShips next business day
$23.89 / lot of 5
Bussmann
Bussmann ABC 1/4 Ceramic Fuse Pack of 5 Industri
Bussmann ABC 1/4 Ceramic Fuse Pack of 5 Industrial Electrical OEM Hardware Part
Only 1 lot left
Free shippingShips next business day
$6.89 / lot of 5
Cooper
Cooper Bussman HPS Fuse 30A 25A 600V
Cooper Bussman HPS Fuse 30A 25A 600V
In stock
Free shippingShips next business day
$23.95
Federal Pacific
KH-50
Federal Pacific Electric KH-50 Stab-Lok Circuit Breaker 240VAC Industrial OEM
Only 1 left
Free shippingShips next business day
$19.99
Eaton
Eaton Disconnect Switch Operator Handle Mechanis
Eaton Disconnect Switch Operator Handle Mechanism Industrial Electrical OEM Part
Only 1 left
Free shippingShips next business day
$29.99
General Electric
LP-9263
GE LP-9263 THQB 20A 2-Pole 120/240VAC Breaker General Electric Industrial OEM
Only 1 left
Free shippingShips next business day
$9.99
Industrial part
11/ORDER
Slow-Blow 3AG Glass Fuse 1 Amp 250V Industrial Electrical Replacement 11/ORDER
Only 1 left
Free shippingShips next business day
$11.99
Industrial part
8/ORDER
Quick Disconnect Coupling Fitting Threaded Adapter Industrial OEM 8/ORDER
Only 1 left
Free shippingShips next business day
$19.99
Eaton
4025117B52
Eaton 4025117B52 EL Bayonet Shorting Bar Fuses
Only 3 left
Free shippingShips next business day
$199.99
Cooper
Cooper Bussman 170 L 5819 50A 660V (Box of 5)
Cooper Bussman 170 L 5819 50A 660V (Box of 5)
Only 1 lot left
Free shippingShips next business day
$175.95 / lot of 5
Eaton
A31080
Eaton A31080 Type K Amp 80 Fuse Accessorie
Only 5 left
Free shippingShips next business day
$49.99
Kearny
A31200
Kearny Fuselink A31200 Type K 200 Apmere Fuse Accessories
In stock
Free shippingShips next business day
$14.99
Eaton
A31006
Eaton Cooper Power A31006 Type K 6 Amp Fuse Accessories with Gasket and Screws
In stock
Free shippingShips next business day
$11.89
Eaton
FL12K30
Eaton Cooper FL12K30 Type K Fuse Link 30A 12kV Distribution Power New
In stock
Free shippingShips next business day
$10.89
Kearney
KS1
kearney ks1 22001-79 fuse link
In stock
Free shippingShips next business day
$30.00
Cooper
31003
Cooper Kearney 31003 Type K Fuse Link 3A Fit-All Fast Eaton Power New
Only 1 left
Free shippingShips next business day
$6.89
Eaton
FA4H1
Eaton Cooper NX FA4H1 Current Limiting Fuse 1A 15.5kV 50kA Power Fuse New
Only 1 left
Free shippingShips next business day
$89.89
Cooper
51040
Cooper Kearney 51040 Type T Fuse Link 40A Eaton Power Fit-All New
In stock
Free shippingShips next business day
$10.89
Bussmann
GBB-1/4
Buss GBB-1/4 Fuse (Box of 5)
Only 1 lot left
Free shippingShips next business day
$14.95 / lot of 5
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.