TP-Link
TL-SF1024D
TP-Link TL-SF1024D 100-240V 50/60HZ 0.3A 24-PORT 10/100MBPS Switch
Only 1 left
Free shippingShips next business day
$49.00
Circuit Breakers, Fuses & Protection
3,524 listings · 3,464 in stock
3,524 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 & Accessories829 in stock
- Miniature & DIN Rail Circuit Breakers308 in stock
- Fuse Holders & Fuse Blocks254 in stock
- Disconnect & Safety Switches207 in stock
- Molded Case Circuit Breakers132 in stock
- Surge Protection & Ground Fault129 in stock
- Protective & Monitoring Relays30 in stock
Industrial part
00429
ISL 5740 Data Precision C.m.p.d 00429 1/4AMP SLO-BLO 2241
Only 2 left
Free shippingShips next business day
$124.00
Bussmann
Buss 6MT 15A
Buss 6MT 15A
In stock
Free shippingShips next business day
$7.99
Industrial part
1712 OPH974M
Gasket for 2" Dry Disconnect 1712 OPH974M
Only 1 left
Free shippingShips next business day
$60.00
Schneider Electric
GVAN20
Schneider Electric GVAN20 6A 690V 720VA 120-600VAC 1-3PH GV2ME07
Only 1 left
Free shippingShips next business day
$20.00
Littelfuse
H217.500
Littlefuse H217.500 0217.5004 F500MA 250V 20MM Littelfuse 217.500 (Lot of 10)
In stock
Free shippingShips next business day
$15.00 / lot of 10
Bussmann
LPJ-6SP
Buss Low-Peak Dual Element LPJ-6SP 600VAC 300VDC or Less
Only 2 left
Free shippingShips next business day
$15.00
Schurter
5707.0801.312
Schurter 5707.0801.312 125/250VAC 50/60HZ 8A Fuse 2X10.2W
Only 5 left
Free shippingShips next business day
$99.99
Mersen
ATMR10
Ferraz Shawmut ATMR10 10AMP 600V AC ( Lot of 2)
Only 5 lots left
Free shippingShips next business day
$15.00 / lot of 2
ABB
GSN201L-C16
ABB ABB Miniature Circuit Breaker with Leakage Protection 1P+N GSN201L-C16
Only 2 left
Free shippingShips next business day
$45.00
Eaton
FA9H10
EATON FA9H10 Cooper Power Series Current Limiting Full Range Fuse
Only 1 left
Free shippingShips next business day
$459.99
Fuji Electric
CP31
Fuji Electric CP31 15A 41-19573 Circuit Protector
Only 4 left
Free shippingShips next business day
$7.99
Mitsubishi
CP30-BA
Mitsubishi CP30-BA Circuit Protector 3A 1Pole
Only 1 left
Free shippingShips next business day
$6.99
Mersen
ATMR-1/4
Ferraz Shawmut ATMR-1/4 ATMR 1/4A 0.25A 600Vac Fuse (LOT OF 5)
Only 1 lot left
Free shippingShips next business day
$24.99 / lot of 5
Fuji Electric
EA53AC
Fuji Electric EA53AC BB3BEAC-040 Auto Breaker 40A, 440V
Only 1 left
Free shippingShips next business day
$20.00
Industrial part
HDA261001
POWERPACT HD 150 HDA261001 Circuit breaker,600VAC, 1
Only 1 left
Free shippingShips next business day
$430.00
Eaton
Eaton Cooper Power Series FA1K2 Fuse Accessories
Eaton Cooper Power Series FA1K2 Fuse Accessories Mounting Code 2 15.5-95KV BIL
Only 2 left
Free shippingShips next business day
$54.00
Fill-Rite
KIT320SW
Fill-Rite KIT320SW 3200 Series Pump Switch/Breaker Kit AA1-X0-19-720-XB1-C50
Only 2 left
Free shippingShips next business day
$90.00
Eaton
CBUC08030C100
Eaton CBUC08030C100 Elsp Fuse 8.3KV Submersiblemax IC 50KA - Min IC 200A30
Only 1 left
Free shippingShips next business day
$280.00
Martin
Martin SDS 1 1/4 Quick Disconnecting Bushing
Martin SDS 1 1/4 Quick Disconnecting Bushing
Only 3 left
Free shippingShips next business day
$20.00
Allen-Bradley
1489-A
Allen Bradley 1489-A 1489-A1C150 SER. A 1 Pole 277V 48V
Only 1 left
Free shippingShips next business day
$15.00
Mersen
US6J31
Ferraz Shawmut US6J31 M211381 600VAC VDC 60A 200KA
Only 1 left
Free shippingShips next business day
$15.00
Siemens
3RV1011-1EA10
Siemens Sirius QF 16 3RV1011-1EA10 40AMP 50/60HZ
Only 1 left
Free shippingShips next business day
$24.00
Mersen
USCC1I
Ferraz Shawmut USCC1I, X213943 Ultrasafe Fuse Holder, Rated: 600V, 30
Only 2 left
Free shippingShips next business day
$6.99
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.