Industrial part
MHF-50L
MHF-50L II Moritex AC 100V 50/60HZ 12V 50W Fuse 250V 212-6224
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$42.99
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
Bussmann
FRN-R-1
Buss Fuses FRN-R-1 1/4 Amp Lot of 5
Only 1 lot left
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$29.99 / lot of 5
Bussmann
6F047
Buss Fuses 6F047 Pack of 5
Only 2 lots left
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$10.00 / lot of 5
Industrial part
4800321
PMF 10,3X 38 4800321 Fuse Holder Modular DF electric PMF 10X38 480332I 480032 3
Only 1 left
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$14.00
Softrol
S27045
Softrol System INC S27045
Only 1 left
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$1,999.70
Omron
NT2S-SF122B-EV2
Omron NT2S-SF122B-EV2 Interactive Display COM Port 2286RI
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$599.99
Omron
NT2S-SF122B-EV2
Omron NT2S-SF122B-EV2 Interactive Display 2286RI COM Port
Only 2 left
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$599.99
ABB
ABB Sace SN 100 100A 890V Cat.a
ABB Sace SN 100 100A 890V Cat.a
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$144.99
Merlin Gerin
C32N
Merlin-Gerin Multi 9 C32N 15A Type D 380-415V
Only 2 left
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$15.00
Merlin Gerin
C60N
Merlin-Gerin Multi 9 C60N D-40A 415V
In stock
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$34.99
Industrial part
D8 C32H
Cerlin-Merin Multi 9 D8 C32H 1A Type U 380-415V
Only 2 left
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$13.00
Merlin Gerin
C32N
Merlin Gerin Multi 9 C32N 10A Type C 380-415V D10
Only 4 left
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$16.99
Merlin Gerin
C60N
Merlin Gerin Multi 9 C60N D-10A 415V Type 4
In stock
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$27.99
Merlin Gerin
NC100H
Merlin Gerin Multi 9 NC100H D50A 415V 10KA IEC 947.2 240-440VAC 6-20KA
In stock
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$24.99
Merlin Gerin
NC100
Merlin Gerin Vigi NC100 MULTI9 220/415V Class T2 0,300A
In stock
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$27.99
Siemens
3VU1300-1MJ00
Siemens 3VU1300-1MJ00 0660VDE 50/60HZ 40-48A 415-690V 2-100KA
In stock
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$16.00
Square D
FAL360501042
Square D Thermal-Magnetic Circuit Breaker FAL360501042 Series 2 50AMP 24V 400MA
Only 1 left
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$139.99
ABB
S202-B16
ABB S202-B16 2CDS252001R0165 System Pro M Compact Circuit Breaker 2P 16A B Curve
Only 1 left
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$23.89
Socomec
AC23
Socomec 125A 750V Load Break Switch Disconnect IEC 408 AC23 100A 500V Industrial
Only 2 left
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$924.89
Bussmann
JJS-150
Bussmann T-Tron JJS-150 Fast Acting Class T Fuse 150 Amp 600V Current Limiting
Only 1 left
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$17.89
Mersen
A15QS130-4
Ferraz Shawmut Amp-Trap A15QS130-4 Semiconductor Fuse 130A 150V AC/DC 748909
In stock
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$11.89
Bussmann
FRS-R-15ID
Bussmann FRS-R-15ID Fusetron 15A Dual Element Time Delay Fuse Class RK5 600V
Only 2 left
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$17.89
Industrial part
A10017626
A10017626 Bracket Disconnect Retrofit A13 11H-H Metal U Channel Mount Hardware
Only 1 left
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$28.89
Eaton
1498D66G17
Eaton EG Vari-Depth Handle Mechanism 8mm 1498D66G17 Molded Case Breaker Operator
Only 1 left
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$47.89
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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.