Allen-Bradley
Allen Bradley 140-L3
Allen Bradley 140-L3 Spare Position Shroud Bulletin 140 Series C 1 Per Order
In stock
Free shippingShips next business day
$17.89
Circuit Breakers, Fuses & Protection
3,504 listings · 3,450 in stock
3,504 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
- Fuses1,574 in stock
- Circuit Breakers & Accessories825 in stock
- Miniature & DIN Rail Circuit Breakers304 in stock
- Fuse Holders & Fuse Blocks251 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers133 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Siemens
3LF120
Siemens 3LF120 Rotary Disconnect Selector Switch Industrial Electrical Control
Only 2 left
Free shippingShips next business day
$78.00
Telemecanique
VZ2
Telemecanique VZ2 Main Contact 055187 40A 690V Schneider Electric Industrial
Only 1 left
Free shippingShips next business day
$29.83
Merlin Gerin
NFNL36060
Merlin Gerin NFNL36060 Compact NS 3P 60A 600V Circuit Breaker Schneider Electric
Only 4 left
Free shippingShips next business day
$1,299.00
Airpax
UPL1-1REC4-52-303
Airpax UPL1-1REC4-52-303 DC Circuit Breaker 30A 65V Magnetic Protector Industria
Only 2 left
Free shippingShips next business day
$14.74
Littelfuse
0218005.HXP
Littelfuse 0218005.HXP 5A 250V 5x20mm Glass Cartridge Fuse Time Delay Electrica
In stock
Free shippingShips next business day
$11.89
Carling
BA3-X0-02-263-211-D
Carling BA3-X0-02-263-211-D Hydraulic Magnetic Circuit Breaker 250V 50/60 Hz OEM
Only 1 left
Free shippingShips next business day
$38.71
Bussmann
Cooper Bussmann BK/MDL-1-1/2 Time Delay Fuse 1.5
Cooper Bussmann BK/MDL-1-1/2 Time Delay Fuse 1.5A 250V Glass Tube Lot of 5 OEM
In stock
Free shippingShips next business day
$18.63 / lot of 5
Littelfuse
H21601.6
Littelfuse H21601.6 F1.6A 250V 20mm Ceramic Cartridge Fuse Box of 100 Electrical
Only 5 lots left
Free shippingShips next business day
$220.50 / lot of 100
Kraus Naimer
KG64B
Kraus & Naimer KG64B K900 D-A021 E Door Panel Mount Disconnect Switch
Only 1 left
Free shippingShips next business day
$44.26
Bussmann
S505-5A
Cooper Bussmann S505-5A 5A 250V 5x20mm Time Delay Cartridge Fuse Box of 5
In stock
Free shippingShips next business day
$32.11 / lot of 5
Littelfuse
0215002
Littelfuse 0215002 H215002 2A T2A 250V 20mm Slow Blow Fuse Lot of 5
In stock
Free shippingShips next business day
$11.89 / lot of 5
Bussmann
Cooper Bussmann BK/MDL-1/4 Fuse 250mA 250V Lot o
Cooper Bussmann BK/MDL-1/4 Fuse 250mA 250V Lot of 5 Cartridge Time Delay
In stock
Free shippingShips next business day
$10.69 / lot of 5
Cutler-Hammer
FDB3100LS22
Cutler Hammer FDB3100LS22 Circuit Breaker 100A 600V 3 Pole Thermal Magnetic
Only 1 left
Free shippingShips next business day
$999.00
Siemens
3VU1300-1MC00
Siemens 3VU1300-1MC00 Motor Starter Protector Circuit Breaker 0.16-0.24A OEM
Only 1 left
Free shippingShips next business day
$28.89
Altronix
R2416300UL
Altronix R2416300UL CCTV Power Supply 16 Fuse 24VAC 12.5A Rack Mount Security
Only 1 left
Free shippingShips next business day
$47.89
ABB
S283-DS63A1H20
ABB S283-DS63A1H20 MCB S280 Z63 480V-AC Shunt Aux 3-Pole Circuit Breaker OEM
Only 1 left
Free shippingShips next business day
$15.89
ASCO
214A106
ASCO 214A106 Under Voltage Monitor 120V AC 50/60Hz Industrial Power Relay OEM
Only 3 left
Free shippingShips next business day
$59.98
Out of stock – we can often source these. Request a quote.
Industrial part
Assorted Fuses (1 Lot)
Assorted Fuses (1 Lot)
Out of stock
Sourcing on request
Request a quote: Assorted Fuses (1 Lot)
Gould
61006
Gould 61006 Fuse Blocks and Holders 'Bag of 8'
Out of stock
Sourcing on request
Notify me when Gould 61006 is back
Schneider Electric
M9F43330
Schneider Electric M9F43330 Multi 9 C60BP Circuit Breaker 3-Pole D 30A 480Y/277V
Out of stock
Sourcing on request
Notify me when Schneider Electric M9F43330 is back
Siemens
3RV1011-1EA10
Siemens Sirius 3RV1011-1EA10 Motor Circuit Breaker 2.8-4A with 3RV1901-1A Aux
Out of stock
Sourcing on request
Notify me when Siemens 3RV1011-1EA10 is back
ABB
OHBS2AJ
ABB OHBS2AJ 1SCA105213R1001 Black Selector Handle Switch Disconnector Industrial
Out of stock
Sourcing on request
Notify me when ABB OHBS2AJ is back
Square D
QOB120GFI
Square D QOB120GFI Bolt-On GFCI Circuit Breaker 1-Pole 20A 120V Ground Fault
Out of stock
Sourcing on request
Notify me when Square D QOB120GFI is backGet 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.