Customer Service & Support Toll-Free • 1-(800)-986-9184

Critical spares you need—when it matters most!

Collection: Circuit Protection

270 products
  • Ferraz Shawmut A480R4R-1 4R 5.08kV Amp-Trap Fuse - NEW IN BOX
    Back Order
    Regular price
    $225.00
    Sale price
    $225.00
    Regular price
    Unit price
    per 
  • H.R.C. Fuses Type CX 800 800-AMP 660VAC CX800 - NEW IN BOX
    Ships Today!
    QTY 6
    Regular price
    $325.00
    Sale price
    $325.00
    Regular price
    Unit price
    per 
  • Mersen A480R18R-1 5.08kV 18R Amp-Trap Fuse - NEW IN BOX
    Back Order
    Regular price
    $225.00
    Sale price
    $225.00
    Regular price
    Unit price
    per 
  • Ferraz Shawmut A055F1D0R0-200E 200E 5.5kV CS-3 Series Fuse - NEW IN BOX
    Back Order
    Regular price
    $250.00
    Sale price
    $250.00
    Regular price
    Unit price
    per 
  • Ferraz Shawmut A480R6R-1 Current Limiting Amp-Trap Fuse - NEW IN BOX
    Back Order
    Regular price
    $275.00
    Sale price
    $275.00
    Regular price
    Unit price
    per 
  • (BOX OF 3 PCS) Ferraz Shawmut A070UD32KI550 700 VAC Protistor Fuses - NEW
    Ships Today!
    QTY 1
    Regular price
    $425.00
    Sale price
    $425.00
    Regular price
    Unit price
    per 
  • Allen-Bradley 1494F-D100 /D Disconnect Switch 100 AMP 1494F - NEW IN BOX
    Back Order
    Regular price
    $475.00
    Sale price
    $475.00
    Regular price
    Unit price
    per 
  • Allen-Bradley 1494F-D30 /D Disconnect Switch 30 AMP 1494F - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $175.00
    Sale price
    $175.00
    Regular price
    Unit price
    per 
  • Allen-Bradley 193-EEDP /C Series C Overload Protection Relay - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $225.00
    Sale price
    $225.00
    Regular price
    Unit price
    per 
  • Allen-Bradley 100S-C12D14BC /A Series A Safety Conttactor - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $275.00
    Sale price
    $275.00
    Regular price
    Unit price
    per 
  • Siemens NJX3R400 Circuit Breaker 400A 3-Phase - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $2,250.00
    Sale price
    $2,250.00
    Regular price
    Unit price
    per 
  • ABB 3BUS208796-001 Power Signal Conditioning Board - NEW SEALED
    Back Order
    Regular price
    $1,425.00
    Sale price
    $1,425.00
    Regular price
    Unit price
    per 
  • (Box of 3 PCS) Siemens 3NC8 423-3C Fuse-Link Fusible 110mm Ultrafas - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $525.00
    Sale price
    $525.00
    Regular price
    Unit price
    per 
  • Siemens HFD62F250 Sentron Series Circuit Breaker 100A - NEW OPEN
    Back Order
    Regular price
    $155.00
    Sale price
    $155.00
    Regular price
    Unit price
    per 
  • Siemens QJH22B110 Circuit Breaker 2P / 110A / 240V~ / 22kA@240V~ - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $475.00
    Sale price
    $475.00
    Regular price
    Unit price
    per 
  • Siemens LD63B400 Molded Case Circuit Breaker 3P-400A - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $2,750.00
    Sale price
    $2,750.00
    Regular price
    Unit price
    per 
  • Siemens JXD63B350 Sentron Molded Case Circuit Breaker 350A / 600V - NEW IN BOX
    Back Order
    Regular price
    $425.00
    Sale price
    $425.00
    Regular price
    Unit price
    per 
  • Siemens JXD63B400H Sentron Molded Case Circuit Breaker 400A / 600V - NEW IN BOX
    Back Order
    Regular price
    $525.00
    Sale price
    $525.00
    Regular price
    Unit price
    per 
  • Siemens LD63F600 Sentron MCCB Frame Circuit Breaker 600A / 600V - NEW IN BOX
    Back Order
    Regular price
    $725.00
    Sale price
    $725.00
    Regular price
    Unit price
    per 
  • Siemens JXD22B400 Sentron Molded Case Circuit Breaker 400A / 240V - NEW IN BOX
    Back Order
    Regular price
    $825.00
    Sale price
    $825.00
    Regular price
    Unit price
    per 
  • Siemens ED63B015 Sentron Molded Case Circuit Breaker 3P/ 15A /600V - NEW IN BOX
    Back Order
    Regular price
    $225.00
    Sale price
    $225.00
    Regular price
    Unit price
    per 
  • Siemens SND69800ANGT SensiTrip III Circuit Breaker 3P/ 800A /600V - NEW IN BOX
    Back Order
    Regular price
    $1,500.00
    Sale price
    $1,500.00
    Regular price
    Unit price
    per 
  • Siemens JD63F400 Sentron MCCB Frame, 3-Pole / 400A / 600V - NEW IN BOX
    Back Order
    Regular price
    $325.00
    Sale price
    $325.00
    Regular price
    Unit price
    per 
  • Siemens FXD63S250A Sentron MCCB Switch, 3-Pole / 250A / 600V - NEW IN BOX
    Back Order
    Regular price
    $275.00
    Sale price
    $275.00
    Regular price
    Unit price
    per 
  • Siemens CJD63B225 Sentron Current Limiting Circuit Breaker 225A - NEW NO BOX
    Ships Today!
    QTY 1
    Regular price
    $2,750.00
    Sale price
    $2,750.00
    Regular price
    Unit price
    per 
  • Siemens CLD63B600 Sentron Series Circuit Breaker 3P, 600V, 600A - NEW IN BOX
    Back Order
    Regular price
    $1,975.00
    Sale price
    $1,975.00
    Regular price
    Unit price
    per 
  • Siemens FD63F250 Sentron MCCB Frame 3P / 250A / 600V~ / 35kA@480V - NEW IN BOX
    Back Order
    Regular price
    $325.00
    Sale price
    $325.00
    Regular price
    Unit price
    per 
  • Siemens HJXD63B300 Sentron Series Circuit Breaker 600V 300A - NEW IN BOX
    Back Order
    Regular price
    $350.00
    Sale price
    $350.00
    Regular price
    Unit price
    per 
  • Siemens SCMD69600ANGTH Sensitrip IlI Circuit Breaker 600V, 600A - NEW NO BOX
    Ships Today!
    QTY 1
    Regular price
    $5,750.00
    Sale price
    $5,750.00
    Regular price
    Unit price
    per 
  • Siemens HFXD63B070 Circuit Breaker 600V 70A 3-Pole - NEW NO BOX
    Back Order
    Regular price
    $625.00
    Sale price
    $625.00
    Regular price
    Unit price
    per 
  • Siemens JXD63B250 Sentron Molded Case Circuit Breaker 250A - NEW IN BOX
    Back Order
    Regular price
    $345.00
    Sale price
    $345.00
    Regular price
    Unit price
    per 
  • Siemens FXD63B150 Sentron Molded Case Circuit Breaker 150 AMP - NEW IN BOX
    Back Order
    Regular price
    $325.00
    Sale price
    $325.00
    Regular price
    Unit price
    per 
  • Siemens HFK3B200 VL Circuit Breaker 200A 3P Thermal Magnetic - NEW IN BOX
    Back Order
    Regular price
    $350.00
    Sale price
    $350.00
    Regular price
    Unit price
    per 
  • Siemens 3RT1064-6SP36-3PA0 Magnetic Contactor 225A, 400V, 110kW - NEW IN BOX
    Ships Today!
    QTY 1
    Regular price
    $1,925.00
    Sale price
    $1,925.00
    Regular price
    Unit price
    per 
  • Siemens CFD63B150 150A Sentron Molded Case Circuit Breaker
    Back Order
    Regular price
    $575.00
    Sale price
    $575.00
    Regular price
    Unit price
    per 
  • Siemens LD63F600 600A 3P 600V 3PH Circuit Breaker - NEW NO BOX
    Back Order
    Regular price
    $725.00
    Sale price
    $725.00
    Regular price
    Unit price
    per 
  • Siemens 3RT1064-2AP36 Magnetic Contactor 225A, 400V, 110kW - NEW IN BOX
    Ships Today!
    QTY 23
    Regular price
    $350.00
    Sale price
    $350.00
    Regular price
    Unit price
    per 
  • Siemens 40LP32AF Magnetic Contactor 200hp, Size 5, 3PH, Open, 120V - NEW IN BOX
    Back Order
    Regular price
    $300.00
    Sale price
    $300.00
    Regular price
    Unit price
    per 
  • Siemens 6EP1935-6MC01 SITOP Battery Module 24VDC Output - NEW IN BOX
    Back Order
    Regular price
    $125.00
    Sale price
    $125.00
    Regular price
    Unit price
    per 
  • Siemens 3VA9471-0WF31 Terminal Cover Extended with Probe Holes - NEW IN BOX
    Ships Today!
    QTY 3
    Regular price
    $175.00
    Sale price
    $175.00
    Regular price
    Unit price
    per