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Circuit Protection

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  1. Common Amperage 30Amp Remove This Item
  2. Common Amperage 40Amp Remove This Item
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Category  
  1. Fuse 24 items
  2. Circuit Breaker 27 items
  3. Other Circuit Protection 1 item
Capacitance  
Common Voltage  
  1. 500VDC 1 item
  2. 1000VAC 1 item
  3. 600VAC 4 items
  4. 700VAC 2 items
  5. 125VAC 1 item
  6. 250VDC 2 items
  7. 32VDC 5 items
  8. 250VAC 1 item
  9. Not Specified 2 items
  10. 600VDC 1 item
  11. 125VDC,250VAC 1 item
  12. 125250VDC 1 item
  13. 72VDC 1 item
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VAC  
  1. 250 8 items
  2. 600 3 items
  3. 480 3 items
  4. 115 1 item
  5. 277 5 items
  6. 240480 1 item
  7. 120240 1 item
  8. Not Specified 5 items
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Common Amperage  
X
  1. 1/100Amp 3 items
  2. 1/32Amp 2 items
  3. 1/20Amp 2 items
  4. 6/100Amp 1 item
  5. 1/16Amp 5 items
  6. 1/10Amp 6 items
  7. 1/8Amp 8 items
  8. 3/16Amp 4 items
  9. 15/100Amp 1 item
  10. 2/10Amp 5 items
  11. 1/4Amp 12 items
  12. 3/10Amp 7 items
  13. 3/8Amp 5 items
  14. 4/10Amp 5 items
  15. 1/2Amp 19 items
  16. 6/10Amp 2 items
  17. 7/10Amp 1 item
  18. 3/4Amp 12 items
  19. 8/10Amp 5 items
  20. 1Amp 33 items
  21. 1-1/10Amp 2 items
  22. 1-1/8Amp 3 items
  23. 1-1/4Amp 6 items
  24. 1-1/3Amp 3 items
  25. 1-4/10Amp 2 items
  26. 1-1/2Amp 7 items
  27. 1-6/10Amp 4 items
  28. 1-8/10Amp 1 item
  29. 2Amp 29 items
  30. 2-2/10Amp 1 item
  31. 2-1/4Amp 3 items
  32. 2-1/2Amp 11 items
  33. 2-8/10Amp 2 items
  34. 3Amp 31 items
  35. 3-2/10Amp 2 items
  36. 3-1/2Amp 2 items
  37. 4Amp 17 items
  38. 4-1/2Amp 1 item
  39. 5Amp 40 items
  40. 5-1/2Amp 2 items
  41. 6Amp 13 items
  42. 6-1/4Amp 2 items
  43. 7Amp 10 items
  44. 7-1/4Amp 1 item
  45. 7-1/2Amp 5 items
  46. 8Amp 16 items
  47. 9Amp 3 items
  48. 10Amp 57 items
  49. 12Amp 6 items
  50. 13Amp 2 items
  51. 14Amp 1 item
  52. 15Amp 50 items
  53. 16Amp 6 items
  54. 17-1/2Amp 2 items
  55. 18Amp 1 item
  56. 20Amp 41 items
  57. 21Amp 1 item
  58. 25Amp 25 items
  59. 32Amp 2 items
  60. 30Amp 35 items
  61. 35Amp 9 items
  62. 40Amp 15 items
  63. 45Amp 1 item
  64. 50Amp 30 items
  65. 60Amp 10 items
  66. 65Amp 1 item
  67. 63Amp 1 item
  68. 70Amp 11 items
  69. 75Amp 1 item
  70. 80Amp 5 items
  71. 90Amp 3 items
  72. 100Amp 20 items
  73. 110Amp 8 items
  74. 125Amp 6 items
  75. 150Amp 9 items
  76. 160Amp 1 item
  77. 175Amp 6 items
  78. 200Amp 10 items
  79. 225Amp 1 item
  80. 250Amp 5 items
  81. 260Amp 1 item
  82. 300Amp 5 items
  83. 315Amp 1 item
  84. 350Amp 4 items
  85. 400Amp 3 items
  86. 450Amp 3 items
  87. 500Amp 2 items
  88. 600Amp 6 items
  89. 700Amp 2 items
  90. 800Amp 4 items
  91. 1200Amp 1 item
  92. 1600Amp 1 item
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Fuse Package  
  1. Ceramic 3 items
  2. Glass 2 items
  3. RADIAL LEADS 1 item
  4. FUSE KITS 1 item
DC Voltage  
Manufacturer  
  1. Airpax 5 items
  2. Bussmann 6 items
  3. Cooper/Bussmann 5 items
  4. Challenger 2 items
  5. Carlingswitch 2 items
  6. Cutler-Hammer 1 item
  7. Cutler-Hammer / Eaton 1 item
  8. Eagle 1 item
  9. General Electric 3 items
  10. FUSETRON 2 items
  11. Gould/Shawmut 1 item
  12. Gould (Brush) 1 item
  13. Heinemann / Eaton 2 items
  14. HEINEMANN 2 items
  15. LITTELFUSE 3 items
  16. OPTIMAX 1 item
  17. Potter & Brumfield 4 items
  18. RAYCHEM 1 item
  19. Siemens 3 items
  20. SQUARE D 2 items
  21. TYCO/P&B 1 item
  22. Tyco Electronics 1 item
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Amperage  
Unit of Measure  
  1. Each 17 items
  2. Set 7 items
Price  
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Items 1-24 of 50

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  1. TE Connectivity Potter & Brumfield - W23-X1A1G-40 - Circuit Breaker. Thermal Push/Pull 40 Amp. 240VAC, 50VDC Panel Mount
    TE Connectivity Potter & Brumfield - W23-X1A1G-40 - Circuit Breaker. Thermal Push/Pull 40 Amp. 240VAC, 50VDC Panel Mount
    Special Price $18.98 Regular Price $24.50 As low as $14.98
    READY TO SHIP - ONLY 62 LEFT IN STOCK!
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    TE Connectivity / Potter & Brumfield - W23-X1A1G-40 Circuit Breaker.

    W23 Series - Single Pole

    Thermal Push/Pull 40 Amp 250VAC

    Voltage: 50VDC Max.

    Mount: Panel Mount

    UL, CSA Approved

    Dimensions: See Attached Diagram

    New Old Stock

    Proudly Made in USA

    Learn More
  2. Potter & Brumfield - W69X2Q1-2-30 - Circuit breakers. 3P 30Amp 277VAC 50/60Hz.
    Potter & Brumfield - W69X2Q1-2-30 - Circuit breakers. 3P 30Amp 277VAC 50/60Hz.
    Special Price $46.98 Regular Price $64.95 As low as $39.98
    Out of stock
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    Potter & Brumfield - W69X2Q1-2-30 Circuit breakers.

    3P 30Amp 277VAC 50/60Hz.

    Curve 2.

    Mount: Panel, 4 holes at approximately 2.224" centers.

    Dimensions: 2.228" long x 2.006" high x 1.513" deep, plus terminals.

    Male 1/4" QC terminals.

    Listed: UL/CSA.

    Learn More
  3. TE Connectivity/AMP - Potter & Brumfield - 2-1393253-4 - W68-X2Q110-30 - Circuit Breaker, Dual 30 Amp 2-Pole 277VAC.
    TE Connectivity/AMP - Potter & Brumfield - 2-1393253-4 - W68-X2Q110-30 - Circuit Breaker, Dual 30 Amp 2-Pole 277VAC.
    Special Price $32.98 Regular Price $42.50 As low as $26.98
    READY TO SHIP - ONLY 16 LEFT IN STOCK!
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    TE Connectivity/AMP - Potter & Brumfield - 2-1393253-4 - W68-X2Q110-30 Circuit breaker.

    Dual 30Amp 2-Pole 277VAC-max, 50/60Hz. Curve 10.

    Type: Magnetic (Hydraulic Delay)

    Mount: Panel.

    Four hole mount: 2 top screw distance: 0.750" (19.05m) and distance between top and bottom screw: 1.660" (42.16mm).

    Dimensions: Overall 1.500" (38.1mm) wide x 2.016" (51.2mm) Height x 1.640" (41.66mm) deep.

    Listed: UL/CSA.

     

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  4. Sensata AIRPAX - UPGHX41-25462-1 - Circuit Breaker. 2Pole, 30Amp 250VAC.
    Sensata AIRPAX - UPGHX41-25462-1 - Circuit Breaker. 2Pole, 30Amp 250VAC.
    Special Price $46.98 Regular Price $65.00
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    Sensatec AIRPAX - UPGHX41-25462-1 - Circuit Breaker.

    Status: Discontinued

    2Pole 30Amp 250VAC with Shunt Trip.

    Dual-Rocker, White.

    Contacts: 6 - 1/4" Quick Connect Terminals.

    Dimensions: 2" x 1.5" 2.5" behind panel.

    Learn More
  5. Potter & Brumfield - W58XB1A4A-30 - Circuit breaker. 30Amp 250VAC/50VDC.
    Potter & Brumfield - W58XB1A4A-30 - Circuit breaker. 30Amp 250VAC/50VDC.
    $4.00
    Out of stock
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    Circuit breaker. 30Amp 250VAC/50VDC. Pushbutton. Recessed button can not be pulled out to disconnect circuit. Single hole mount. Dimensions: 1.377" wide x 0.660" deep x 1.386" high, plus threaded bushing 0.498" long. Contacts: 1/4" quick connect terminals. Double marked 375-230-101.

    Learn More
  6. Airpax - UPG66674-1 - Circuit breaker. SP 30Amp 250VAC 50/60Hz.
    Airpax - UPG66674-1 - Circuit breaker. SP 30Amp 250VAC 50/60Hz.
    $9.99
    Out of stock
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    Circuit breaker. SP 30Amp 250VAC 50/60Hz. Delay: SP. Trip amps: 37.5. Mount: panel. Contacts: screw terminals. Learn More
  7. SIEMENS - ED63B030 - Circuit breaker. 30A toggle 600VAC
    SIEMENS - ED63B030 - Circuit breaker. 30A toggle 600VAC
    Special Price $79.95 Regular Price $99.88
    Out of stock
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    Circuit breaker. 30A toggle 600VAC max. 3-pole. ED-frame molded case. Sentron Series TypeED6. Blue Label with load side lugs only. Learn More
  8. TE Connectivity RAYCHEM - RXE010 - Fuse. Polyswitch. 60V max. 40Amp max.
    TE Connectivity RAYCHEM - RXE010 - Fuse. Polyswitch. 60V max. 40Amp max.
    Special Price $0.79 Regular Price $0.98 As low as $0.59
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    TE Connectivity RAYCHEM - RXE010 - Fuse. Polyswitch.

    60V max.

    40Amp max.

    urrent hold: 100mA.

    Current trip: 200mA.

    Trip time: 4s.

    Package: Radial Leads.

    Learn More
  9. TE Connectivity Potter & Brumfield - W93X11-10-40 - 3-Pole 40Amp 277VAC Circuit Breakers
    TE Connectivity Potter & Brumfield - W93X11-10-40 - 3-Pole 40Amp 277VAC Circuit Breakers
    Special Price $64.98 Regular Price $80.00 As low as $59.98
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    TE Connectivity Potter & Brumfield - W93X11-10-40

    Breaker Type: Magnetic (Hydraulic Delay)

    Number of Poles: 3

    Current Rating: 40 Amp

    Operating Temperature: -40 °C to 85 °C

    Termination: Stud

    Voltage Rating (AC): 277 V

     Mount: Panel

    Color: Black

    Circuit Breakers Curve 10 50/60CY

    New

    NSN: 1710014769724

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  10. Heinemann / Eaton - AM1S-Z309-1 - Circuit breaker. SP 30Amp 80VDC.
    Heinemann / Eaton - AM1S-Z309-1 - Circuit breaker. SP 30Amp 80VDC.
    $25.99
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    Circuit breaker. SP 30Amp 80VDC. Toggle. SPL Curve: 20. Aux switch 5Amp 250VAC. Mount: panel, 2 holes at 2.0" centers. Dimensions: 0.757" wide x 2.51" high. Listed: UL/CSA. Note: Special purpose, not for general use. Double marked NAM1S-Z301-1, AM1S-B79-AAA02ALDDU75 and 3050087P-30. Learn More
  11. General Electric - TED134030 - Circuit breaker. 3P 30Amp 480VAC 250VDC.
    General Electric - TED134030 - Circuit breaker. 3P 30Amp 480VAC 250VDC.
    $175.00
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    Circuit breaker. 3P 30Amp 480VAC 250VDC. Dimensions: 4-1/8" wide x 3-1/8" deep x 6-5/16" high. Learn More
  12. General Electric - TED134030 - Circuit breaker. 3P 30Amp 480VAC 250VDC. RFE.
    General Electric - TED134030 - Circuit breaker. 3P 30Amp 480VAC 250VDC. RFE.
    Special Price $79.97 Regular Price $124.95
    Out of stock
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    Circuit breaker. 3P 30Amp 480VAC 250VDC. Dimensions: 4-1/8" wide x 3-1/8" deep x 6-5/16" high. Maybe used, in great condition. Learn More
  13. General Electric - SELA36A10030 - Circuit breaker. 3P 30Amp 600VAC.
    General Electric - SELA36A10030 - Circuit breaker. 3P 30Amp 600VAC.
    $475.00
    Out of stock
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    Circuit breaker. Motor circuit protector. 3P 30Amp 600VAC. Spectra RMS. Learn More
  14. CUTLER-HAMMER - EHB3030L - Circuit breaker. 3P 30Amp 480VAC.
    CUTLER-HAMMER - EHB3030L - Circuit breaker. 3P 30Amp 480VAC.
    $300.00
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    Circuit breaker. 3P 30Amp 480VAC. Made in the USA. Learn More
  15. AIRPAX - IELHK11-1-52-30.0-01 - Circuit breaker. 2P 30A 80VDC.
    AIRPAX - IELHK11-1-52-30.0-01 - Circuit breaker. 2P 30A 80VDC.
    Special Price $36.98 Regular Price $64.50
    Out of stock
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    AIRPAX - IELHK11-1-52-30.0-01 Circuit breaker.

    2P 30A 80VDC. Toggle.

    Delay 52. TA 37.5Amp.

    Mount: Panel, 4 hole at 55mm centers.

    Dimensions: 37.8mm wide x 63.8mm high x 47.1mm deep behind panel plus screw terminals.

    Learn More
  16. AIRPAX - IMLK1-1RLS4-52-40.0-01 - Circuit breaker. SP 40Amp 80VDC.
    AIRPAX - IMLK1-1RLS4-52-40.0-01 - Circuit breaker. SP 40Amp 80VDC.
    $26.99
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    Circuit breaker. SP 40Amp 80VDC. Toggle. Hertz: DC. Delay: 52. Trip amps: 50. Aux switch: 1Amp 65VDC. Mount: panel, 2 holes at 2.0" centers. Dimensions: 0.745" wide x 2.51" high. Learn More
  17. Square D - QOB340 - Circuit breaker. 3P 40Amp 240VAC. Type: QOB.
    Square D - QOB340 - Circuit breaker. 3P 40Amp 240VAC. Type: QOB.
    Special Price $41.95 Regular Price $75.00
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    Circuit breaker. 3P 40Amp 240VAC. Type: QOB, 3 Phase. Bolt on. New. Learn More
  18. Square D - Q0B240UH - 40AMP DP SQUARE D BREAKER
    Square D - Q0B240UH - 40AMP DP SQUARE D BREAKER
    $30.00
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    40AMP DOUBLE POLE WITH ONE SWITCH BOLT ON SQUARE D BREAKER SUITABLE FOR AL/CU CONDUCTORS.WITH VISI-TRIP Learn More
  19. OPTIMAX - OPM CC - Overcurrent protection module 30A 600V.
    OPTIMAX - OPM CC - Overcurrent protection module 30A 600V.
    $100.00
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    Overcurrent protection module 30A 600V. More info: http://www.cooperindustries.com Learn More
  20. Heinemann / Eaton - AM1R-Z301-1 - Circuit breaker. SP 30Amp 80VDC.
    Heinemann / Eaton - AM1R-Z301-1 - Circuit breaker. SP 30Amp 80VDC.
    $19.99
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    Circuit breaker. SP 30Amp 80VDC. Toggle. Curve: 5. Aux switch 5Amp 250VAC. Mount: panel, 2 holes at 2.0" centers. Dimensions: 0.757" wide x 2.51" high. Listed: UL/CSA. Note: Special purpose, not for general use. Double marked NAM1S-Z301-1, AM1R-B79-AC21D-DU75 and 3050087P-30. Recommended for use with copper receptacle. Learn More
  21. Cutler-Hammer / Eaton - HFD3040 - Thermal Magnetic Circuit Breaker, 3 Pole, 40A, 600VAC
    Cutler-Hammer / Eaton - HFD3040 - Thermal Magnetic Circuit Breaker, 3 Pole, 40A, 600VAC
    Special Price $389.98 Regular Price $600.00
    READY TO SHIP - ONLY 1 LEFT IN STOCK!
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    Cutler-Hammer / Eaton - HFD3040 - Thermal Magnetic Circuit Breaker, 3 Pole, 40A, 65kA

    HFD3040, Molded case, thermal magnetic, F frame Circuit Breaker, 600 VAC at 50/60 Hz, 250 VDC, 40 ampere at 40 Deg c, 3 pole, interrupting rating 100 kiloampere at 240 vac, 65 kiloampere at 480 vac, 25 kiloampere at 600 vac, 22 kiloampere at 250 VDC (ul), 100 kiloampere at 220/240 VAC, 65 kiloampere at 380/415/440 vac, 25 kiloampere at 500 VAC, 22 kiloampere at 250 VDC (IEC), terminal standard pressure line terminal, standard pressure load terminal, size 4.125 inch w x 3.375 inch d x 6 inch h, approval Underwriters Laboratories, HFD model, applicable standard IEC 157-1. Suitable for 2 Pole applications, use outside poles (single phase). 

    New in Factory packaging with instructions.

    Learn More
  22. Carlingswitch - AA2B0346302B1C - Circuit breaker. 2 Pole 30Amp 277VAC.
    Carlingswitch - AA2B0346302B1C - Circuit breaker. 2 Pole 30Amp 277VAC.
    $11.00
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    Circuit breaker. 2 Pole 30Amp 277VAC. Delay 34. Trip amp: 40.5A. Learn More
  23. Carlingswitch - AA2-B0-34-630-281-C - Circuit breaker. 2P 30Amp 277VAC.
    Carlingswitch - AA2-B0-34-630-281-C - Circuit breaker. 2P 30Amp 277VAC.
    $40.00
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    Circuit breaker. 2P 30Amp 277VAC. DC Hertz 50/60. Delay 34. TA 40.5Amp. Mount: panel, 4 holes with 1.8" centers. Dimensions: 1.49" wide x 2.015" high x 1.646" deep plus screw contacts. Learn More
  24. AIRPAX - IELH1111-1-62-40.0-10V - Circuit breaker. 4P 40Amp 250VAC.
    AIRPAX - IELH1111-1-62-40.0-10V - Circuit breaker. 4P 40Amp 250VAC.
    $77.00
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    Circuit breaker. 4P 40Amp 250VAC 50/60Hz. TA 50Amp. Delay 62. Mount: Panel. Dimensions: 2.972" wide x 2.510" high x 1.876" deep, plus screw terminals. Has 4 hole mount at 3" centers. New Learn More
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