Littelfuse
Little Fuse Flnr 4-1/2 250VAC SLO BLO Fuse (Lot
Little Fuse Flnr 4-1/2 250VAC SLO BLO Fuse (Lot of 10)
In stock
Free shippingShips next business day
$94.95 / lot of 10
Circuit Breakers, Fuses & Protection
3,515 listings · 3,456 in stock
3,515 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 & Accessories827 in stock
- Miniature & DIN Rail Circuit Breakers307 in stock
- Fuse Holders & Fuse Blocks253 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers131 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Littelfuse
FLSR10ID
Little Fuse FLSR10ID 600VAC Fuse (Lot of 10)
Only 1 lot left
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$129.95 / lot of 10
Littelfuse
FLNR010
Little Fuse Fuse FLNR010 250VAC (Lot of 10)
Only 1 lot left
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$129.95 / lot of 10
Littelfuse
DL28-12
Little Fuse Flsr 1-1/2 DL28-12 600VAC SLO BLO Fuse
In stock
Free shippingShips next business day
$26.95
Littelfuse
Little Fuse Flsr 1/2 Class RK-5 6OO VAC SLO BLO
Little Fuse Flsr 1/2 Class RK-5 6OO VAC SLO BLO Fuse (Lot of 10)
Only 4 lots left
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$58.95 / lot of 10
Littelfuse
Little Fuse Flsr 1/4 Class RK-5 600 VAC Fuse (Lo
Little Fuse Flsr 1/4 Class RK-5 600 VAC Fuse (Lot of 10)
Only 3 lots left
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$48.95 / lot of 10
Littelfuse
FLSR1-1/4ID
Littelfuse FLSR1-1/4ID 600 Class- RK5 VAC Fuse (Lot of 10)
Only 1 lot left
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$48.95 / lot of 10
Littelfuse
FLSR-1-4/10
Littelfuse FLSR-1-4/10 Class RK5 Time Delay Fuse 1.4A 600VAC Industrial
In stock
Free shippingShips next business day
$11.99
Bussmann
FRS-R-1/2
Bussmann FRS-R-1/2 Class RK5 Dual Element Time Delay Fuse 600VAC 3/ORDER
In stock
Free shippingShips next business day
$8.99
Littelfuse
FLSR-2-1/2
Littelfuse FLSR-2-1/2 Class RK5 Time Delay Fuse 2.5A 600VAC Industrial
In stock
Free shippingShips next business day
$9.99
Bussmann
FRS-R-1
Bussmann FRS-R-1 Fusetron Class RK5 Dual Element Time Delay Fuse 1A 3/ORDER
In stock
Free shippingShips next business day
$9.49
Mersen
TRS1-1/4R
Gould Shawmut TRS1-1/4R 1.25A 600V Class RK5 Time Delay Fuse 10/ORDER
In stock
Free shippingShips next business day
$19.99
Edison
ECSR10
Edison ECSR10 600VAC 10AMP Time Delay Fuse (1 Box of 10)
Only 2 lots left
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$139.95 / lot of 10
Edison
Edison Ecsr 3-2/10 600VAC 3.2A Class RK5 Time De
Edison Ecsr 3-2/10 600VAC 3.2A Class RK5 Time Delay Fuse (1 Box of 10)
Only 2 lots left
Free shippingShips next business day
$139.95 / lot of 10
Littelfuse
Little Fuse FLS-R 1 1/4 SLO BLO Time Delay Fuse
Little Fuse FLS-R 1 1/4 SLO BLO Time Delay Fuse 600 VAC (1 Box of 10)
In stock
Free shippingShips next business day
$44.95 / lot of 10
Industrial part
3-Pole Cartridge Fuse Holder Block Panel Mount I
3-Pole Cartridge Fuse Holder Block Panel Mount Industrial OEM
Only 1 left
Free shippingShips next business day
$14.99
Eaton
JA2S-Z683-1
Eaton Heinemann JA2S-Z683-1 JA2S-T38-LJ04DA 15 Amp 250V 50/60HZ
Only 1 left
Free shippingShips next business day
$27.95
Eaton
BCM603-XSQ
Eaton Bussman BCM603-xSQ 600V 30A Class CC
In stock
Free shippingShips next business day
$10.95
ABB
703153-K01
ABB 703153-K01 Moving Secondary Disconnect Switch Assembly
Only 1 left
Free shippingShips next business day
$409.95
General Electric
THQL120
GE THQL120 General Electric 20A 1-Pole 120/240V HACR Circuit Breaker Load Panels
Only 1 left
Free shippingShips next business day
$10.89
Industrial part
S10-5H
Morsettitalia S10-5H Fuse Holder Terminal Block 30A 600/750V 20-6AWG OEM
Only 1 left
Free shippingShips next business day
$9.99
Mersen
A050R125
Ferraz Shawmut A050R125 Fuse 125A 500V AC/DC Bolt-On Industrial OEM
Only 1 left
Free shippingShips next business day
$29.99
Mersen
A4BY2500
Gould Shawmut A4BY2500 Amp-Trap Class L Fuse 2500A 600VAC Industrial Electrical
Only 2 left
Free shippingShips next business day
$78.89
Allen-Bradley
AC-15
Allen-Bradley Cadet GuardMaster AC-15 Safety Switch 10A Industrial Electrical Mo
Only 1 left
Free shippingShips next business day
$74.99
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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.