Buchanan
Buchanan MVBFD Fuse Switch Terminal Block 300V C
Buchanan MVBFD Fuse Switch Terminal Block 300V Channel Mount Lot of 10 Sectional
Only 1 lot left
Free shippingShips next business day
$24.89 / lot of 10
Circuit Breakers, Fuses & Protection
3,512 listings · 3,458 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 & Accessories828 in stock
- Miniature & DIN Rail Circuit Breakers307 in stock
- Fuse Holders & Fuse Blocks252 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers133 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Mitsubishi
CP30-BA
Mitsubishi CP30-BA 1P 1A Circuit Protector Curve M 250V Single Pole Breaker
Only 1 left
Free shippingShips next business day
$8.89
Eaton
Eaton IP65 Enclosed Rotary Disconnect Switch Iso
Eaton IP65 Enclosed Rotary Disconnect Switch Isolator On Off Industrial Safety
Only 1 left
Free shippingShips next business day
$65.00
Square D
9070TF150D1
Square D 9070TF150D1 Control Transformer 150VA 240/480V 120V with Fuse Block CPT
Only 1 left
Free shippingShips next business day
$22.89
Square D
LIL36600
Square D LIL36600 I-Limiter Current Limiting Circuit Breaker 600A 600V 3 Pole
Only 1 left
Free shippingShips next business day
$1,685.00
ABB
KT3LTC-3
ABB KT3LTC-3 A051425 Low Terminal Covers Tmax T3 3-Pole Breaker Set of 2 SACE
Only 2 left
Free shippingShips next business day
$15.89
Siemens
3KF1308-0MB11
Siemens 3KF1308-0MB11 Switch Disconnector with Fuse 80A 690V 3-Pole Size 1 NH00
Only 1 left
Free shippingShips next business day
$189.89
Eaton
UHS18080A3A8C1A
Eaton UltraSIL VariSTAR Heavy Duty MOV Arrester 18kV 15.3 MCOV UHS18080A3A8C1A
Only 1 left
Free shippingShips next business day
$234.89
Bussmann
27ASL40C-2US
Cooper Bussmann 27ASL40C-2US Medium Voltage Current Limiting Fuse 27kV 40A ASL
Only 3 left
Free shippingShips next business day
$5,799.89
Eaton
UHS12060A1C1A1A
Eaton UltraSIL VariSTAR Heavy Duty MOV Arrester 12kV 10.2 MCOV UHS12060A1C1A1A
Only 1 left
Free shippingShips next business day
$49.89
Cooper
FAG4A30R
Cooper FAG4A30R Dropout Fuse 30AMP 15.5 KV 50KA
Only 3 left
Free shippingShips next business day
$999.89
Siemens
3NW1300-0HG
Siemens 3NW1300-0HG Cylindrical Fuse Link 30A 10x38mm gG gL Box of 10 Fuses
Only 5 lots left
Free shippingShips next business day
$123.89 / lot of 10
Eaton
FL41D1.5
Eaton McGraw-Edison FL41D1.5 Fuse Link Type D 1.5 Amp Power Distribution Cutout
In stock
Free shippingShips next business day
$28.89
Eaton
UHS1006V11W1C1A
Eaton UltraSIL VariSTAR Heavy Duty MOV Arrester 10kV 8.4 MCOV UHS1006V11W1C1A
Only 1 left
Free shippingShips next business day
$78.89
Eaton
UNS27110B0D0A1A
Eaton UltraSIL VariSTAR Normal Duty MOV Arrester 27kV 22 MCOV UNS27110B0D0A1A
Only 3 left
Free shippingShips next business day
$58.89
Siemens
3NW1080-0HG
Siemens 3NW1080-0HG Cylindrical Fuse Link 8A 10x38mm gG gL Box of 8 Fuses
Only 1 lot left
Free shippingShips next business day
$299.89 / lot of 8
Bussmann
ANL-750
Eaton Bussmann ANL-750 750A OEM LIMITER SAE J1171 MARINE New 1/ORDER
In stock
Free shippingShips next business day
$39.99
Phoenix Contact
2X2-5DC-ST
Phoenix Contact PLUGTRAB PT 2X2-5DC-ST Surge Protection Plug 6V DC 2838241 SPD
Only 3 left
Free shippingShips next business day
$349.89
Phoenix Contact
4-12DC-ST
Phoenix Contact PT 4-12DC-ST 2839237 Surge Protection Plug 12.8VDC Industrial
Only 1 left
Free shippingShips next business day
$166.89
LS Electric
UTE100E
LS Electric UTE100E 50A 3 Pole Susol MCCB Circuit Breaker Rotary Handle Operator
Only 1 left
Free shippingShips next business day
$299.89
Siemens
TC1Q1
Siemens ITE TC1Q1 Mechanical Lug Kit EQ Frame Circuit Breaker CU 14-6 AL 12-6
In stock
Free shippingShips next business day
$9.89
Eaton
Eaton Flange Mount Operating Mechanism Handle ON
Eaton Flange Mount Operating Mechanism Handle ON OFF RESET Disconnect Switch
Only 1 left
Free shippingShips next business day
$49.89
Siemens
5SY4120-5
Siemens 5SY4120-5 Miniature Circuit Breaker MCB 20A 1 Pole 230/400V 10kA DIN
Only 1 left
Free shippingShips next business day
$41.89
E-t-a
1410-L110-L1F1-S01-5A
E-T-A 1410-L110-L1F1-S01-5A Thermal Circuit Breaker 5A 250VAC 50VDC 2/ORDER
In stock
Free shippingShips next business day
$44.89
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.