Bussmann
FRN-R-3
Bussmann FRN-R-3 Fusetron 3A 250V Class RK5 Dual Element Delay Fuse 10/order
Only 2 left
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$22.99
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
FLSR4
Littelfuse FLSR4 4A 600VAC Class RK5 Time Delay Cartridge Fuse LOT OF 3
Only 1 lot left
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$14.99 / lot of 3
Bullet
ECSR5.6
Bullet ECSR5.6 5.6A 600V Cartridge Fuse RK5 Time Delay Industrial 3/ORDER
Only 1 left
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$19.99
Littelfuse
FLSR4ID
Littelfuse FLSR4ID 4A 600VAC Class RK5 Time Delay Indicating Fuse 5/ORDER
Only 1 left
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$24.99
Bussmann
AGX-3/16
Buss Fuses AGX-3/16 (5 IN BOX)
Only 2 left
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$28.95
Mersen
GGX7
Gould Shawmut GGX7 7A 10KA 125V 10KA 125V (5 in Box)
In stock
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$19.95
Westinghouse
E7819
Westing House E7819 Circuit Breaker Trip Unit 300A
Only 1 left
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$39.95
Bussmann
FRS-R-3/10
Bussmann Eaton FRS-R-3/10 Class RK5 Fuse 0.3A 600VAC Time Delay Industrial
In stock
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$12.99
Bussmann
RL200
Chase Shawmut RL200 Renewal Fuse Links Bussmann LKN250 250V Super-Lag Lot 25
Only 1 left
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$39.99
Mersen
Chase Shawmut Renewal Fuse Links 200A 250V indus
Chase Shawmut Renewal Fuse Links 200A 250V industrial Lot of 25
Only 5 lots left
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$44.99 / lot of 25
Mersen
RF100
Ferraz Shawmut RF100 Renewable Fuse 100A 250VAC Class H 10kA Industrial OEM
Only 1 left
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$14.99
Littelfuse
FLNR1-1/2
Littelfuse FLNR1-1/2 1.5A 250VAC Class RK5 Time Delay Cartridge Fuse LOT OF 2
Only 1 lot left
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$19.99 / lot of 2
Bussmann
Bussmann Fustat Type S Plug Fuse 125V Dual Eleme
Bussmann Fustat Type S Plug Fuse 125V Dual Element Time Delay Box of 4
Only 1 lot left
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$14.99 / lot of 4
Mersen
AMP200
Shawmut Time Delay AMP200 Volt 600 (1 Box of 25)
Only 1 lot left
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$210.95 / lot of 25
Eaton
51003
Eaton 51003 Cooper Power Kearney Fit-All Type T 3A Fuse Link Industrial 1/order
Only 1 left
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$23.99
Eaton
DAL225E10-AF
Eaton DAL225E10-AF M.O.V.E. Deadfront Elbow Surge Arrester Industrial BULK AVAIL
In stock
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$254.99
Eaton
PKZMO-4/AK
Eaton PKZMO-4/AK XTPR004BC1
Only 2 left
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$74.95
Eaton
eaton Circuit Breaker Lockout Clip Panel Mount I
eaton Circuit Breaker Lockout Clip Panel Mount Industrial OEM pack of 5
Only 1 lot left
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$9.99 / lot of 5
Bussmann
GLR-2
Bussmann GLR-2 Fuses 10KA 300VAC (Lot of 5)
Only 1 lot left
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$31.95 / lot of 5
General Electric
9L12PPM015S
General Electric 9L12PPM015S Intermediate Class Surge Arrester 12KV
In stock
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$65.95
Mersen
TR1R
Mersen TR1R Class RK5 250VAC Fuse (Lot of 7)
Only 1 lot left
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$28.95 / lot of 7
Mersen
TRS5-6/10R
Ferraz Shawmut TRS5-6/10R Class RK5 Time Delay Fuse 5.6A 600VAC LOT OF 2
Only 1 lot left
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$10.99 / lot of 2
Mersen
TR4R
Ferraz Shawmut TR4R Class RK5 250VAC Fuse (Lot of 7)
Only 1 lot left
Free shippingShips next business day
$28.95 / lot of 7
Eaton
Eaton CCPL CC/CHH Circuit Breaker Handle Padlock
Eaton CCPL CC/CHH Circuit Breaker Handle Padlocking Kit Lockoff Industrial OEM
In stock
Free shippingShips next business day
$39.99
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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.