Circuit Protection

Filter  
  1. Common Amperage 40Amp Remove This Item
  2. Common Amperage 50Amp Remove This Item
Clear All
Category  
Capacitance  
Common Voltage  
VAC  
Common Amperage  
Fuse Package  
DC Voltage  
Manufacturer  
Amperage  
Unit of Measure  
Price  
View as List Grid

Items 1-24 of 45

Page
per page
Set Descending Direction
  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!

    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. Square D - FC34050 - Circuit breaker. 50A 480V 3P.
    Square D - FC34050 - Circuit breaker. 50A 480V 3P.
    $300.00
    Circuit breaker. 50A 480V 3P I-Line Extra High Inter CB. Extra high interrupt interrupt. I-Line. FC-Frame (15-100 Amp). 240V 1kAIC, 480V 65kAIC. Housing: industrial electric thermal magnetic molded case. Learn More
  3. 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

    TE Connectivity RAYCHEM - RXE010 - Fuse. Polyswitch.

    60V max.

    40Amp max.

    urrent hold: 100mA.

    Current trip: 200mA.

    Trip time: 4s.

    Package: Radial Leads.

    Learn More
  4. 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

    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

    Learn More
  5. Heinemann / Eaton - AM1S-Z309-13 - Circuit breaker. SP 50Amp 80VDC.
    Heinemann / Eaton - AM1S-Z309-13 - Circuit breaker. SP 50Amp 80VDC.
    $21.99
    Circuit breaker. SP 50Amp 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-Z301-6, AM1S-B79-AAA-02AL-D-DU-75 AND 3050087P-50. Use witha 0.310" D receiving recpetacle. Learn More
  6. Heinemann / Eaton - AM1R-B6-AC07D-A-1R6P - Circuit breaker. Toggle SP 65VDC 50Amp.
    Heinemann / Eaton - AM1R-B6-AC07D-A-1R6P - Circuit breaker. Toggle SP 65VDC 50Amp.
    Special Price $14.95 Regular Price $19.99
    Circuit breaker. Toggle SP 65VDC 50Amp, terminals A-B. 65VDC 1.6Amp, terminals C-D. Double marked: AM1R-B6-AC07DA and NAM1S-Z81-1. Learn More
  7. General Electric - TED134050WL - Circuit Breaker. 3P 50Amp 480VAC. New
    General Electric - TED134050WL - Circuit Breaker. 3P 50Amp 480VAC. New
    Special Price $298.98 Regular Price $450.00

    General Electric - TED134050WL - Circuit Breaker, 3P 50Amp 480VAC.

    General Electric TED134050WL 3 Pole Circuit Breaker

    The General Electric TED134050WL is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 50 Amps and a voltage rating of 600VAC, 500VDC. It has an interrupting rating of 18kA at 240/480VAC, 14kA at 600VAC, 10kA at 500VDC. The TED134050WL has a feed-thru connection type and includes LI - long time and instantaneous functions.

    Specifications :
    • Series: TED
    • Amperage: 50
    • Poles: 3
    • MPN: TED134050WL
    • Voltage: 600VAC, 500VDC
    • Phase: 3
    • Connection Type: Feed-Thru
    • Functions: LI - Long Time and Instantaneous
    • Protection: Thermal Magnetic
    • Terminal Connection: Line and Load Lug
    • Interrupting Rating: 18kA at 240/480VAC, 14kA at 600VAC, 10kA at 500VDC
    • Size: 6-5/16"H x 4-1/8"W x 3-3/8"D
    • Approval: UL

    Genuine General Electric - New Old Stock

    Learn More
  8. Eaton - CD2-B3B0-D-0050-03 1 - Circuit Breaker. 2P 50Amp 125VDC.
    Eaton - CD2-B3B0-D-0050-03 1 - Circuit Breaker. 2P 50Amp 125VDC.
    Special Price $34.95 Regular Price $45.00
    Circuit Breaker. 2P 50Amp 125VDC. Delay 2. Mount: Panel, 4 holes @ 2.94" centers. Dimensions: 2.055" wide x 4-13/16" high x 3.5" deep. Note: Photo will show as a 1P unit. Can be separated and used as a 1P unit each. Learn More
  9. AIRPAX - LMLK1-1RLS4-32531-50 - Circuit breaker. SP 50Amp 80VDC.
    AIRPAX - LMLK1-1RLS4-32531-50 - Circuit breaker. SP 50Amp 80VDC.
    $33.99
    Circuit breaker. SP 50Amp 80VDC. Toggle. Delay: 52F. Trip amp: 62.5Amp. Aux switch: 5A250VAC. Mount: panel, 2 holes at 2.0" centers. Dimensions: 0.750" wide x 2.51" high. Listed: UL/CSA. Note: Special purpose, not for general use. Learn More
  10. 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
    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
  11. 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
    Circuit breaker. 3P 40Amp 240VAC. Type: QOB, 3 Phase. Bolt on. New. Learn More
  12. Square D - Q0B240UH - 40AMP DP SQUARE D BREAKER
    Square D - Q0B240UH - 40AMP DP SQUARE D BREAKER
    $30.00
    40AMP DOUBLE POLE WITH ONE SWITCH BOLT ON SQUARE D BREAKER SUITABLE FOR AL/CU CONDUCTORS.WITH VISI-TRIP Learn More
  13. 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!

    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
  14. AIRPAX - APGN-66-1-50-503 - Circuit breaker. 2P 50 Amp 50VDC.
    AIRPAX - APGN-66-1-50-503 - Circuit breaker. 2P 50 Amp 50VDC.
    $49.00
    Circuit breaker. 2P 50 Amp 50VDC. Magnetic. 2 Position toggle switch. Delay 50 Amp, trip 75 Amp. More info: http://airpax.sensata.com/site/utilities/eliterature/pdfs/apg.pdf Learn More
  15. 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
    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
  16. Siemens - ED43B050 - Circuit breaker. 3P 50Amp 480VAC.
    Siemens - ED43B050 - Circuit breaker. 3P 50Amp 480VAC.
    $50.00
    Circuit breaker. 3P 50Amp 480VAC. Type ED4. Dimensions: 3" wide x 6.35" high x 4.56" deep. Sentron. Note: Used/Removed from equipment. Learn More
  17. Siemens - ED43B040 - Circuit breaker. 3P 40Amp 480VAC.
    Siemens - ED43B040 - Circuit breaker. 3P 40Amp 480VAC.
    $50.00
    Circuit breaker. 3P 40Amp 480VAC. Type ED4. Dimensions: 3" wide x 6.35" high x 4.56" deep. Sentron. Note: Used/Removed from equipment. Learn More
  18. Vishay / Dale Electronics - MFU0603FF00630P100 - Fuses, SMD. 32VDC 630ma.
    Vishay / Dale Electronics - MFU0603FF00630P100 - Fuses, SMD. 32VDC 630ma.
    $0.40
    Fuses, surface mount. Voltage Rating, VDC:32V 630ma, breaking capacity:50A @ 32VDC, blow characteristic: very fast acting, series:MFU, case style:0603.External depth:1.55mm, RoHS compliant. Learn More
  19. Vishay / Dale Electronics - MFU1206FF00630P100 - Fuse. 630mA 63VDC. Package: SMD 1206.
    Vishay / Dale Electronics - MFU1206FF00630P100 - Fuse. 630mA 63VDC. Package: SMD 1206.
    $0.40
    Fuse. 630mA 63VDC. Package: SMD 1206. Braking capacity: 50A at 63VDC. Blow characteristic: very fast acting. Type: thick film chip fuse. RoHS compliant. Series MFU. External depth: 3.5mm. Cut tape. Learn More
  20. Vishay / Dale Electronics - MFU0805FF00750P100 - 750mA 32VDC SMD 0805 Thick Film Chip Fuse
    Vishay / Dale Electronics - MFU0805FF00750P100 - 750mA 32VDC SMD 0805 Thick Film Chip Fuse
    $0.40
    750mA 32VDC SMD 0805 Thick Film Chip Fuse. Breaking Capacity:50A @ 32VDC; Blow Characteristic:Very Fast Acting; External Depth:2mm RoHS:Yes. Cut Tape. Learn More
  21. Vishay / Dale Electronics - MFU0603FF00750P100 - 750mA 32VDC SMD 0603 Thick Film Chip Fuse
    Vishay / Dale Electronics - MFU0603FF00750P100 - 750mA 32VDC SMD 0603 Thick Film Chip Fuse
    $0.40
    750mA 32VDC SMD 0603 Thick Film Chip Fuse. Breaking Capacity:50A @ 32VDC; Blow Characteristic:Very Fast Acting; Current Rating:0.75A; External Depth:1.55mm RoHS:Yes on Reel. Learn More
  22. Vishay / Dale Electronics - MFU1206FF00750P100 - Fuse. 750mA 63VDC. Package: SMD 1206.
    Vishay / Dale Electronics - MFU1206FF00750P100 - Fuse. 750mA 63VDC. Package: SMD 1206.
    $0.50
    Fuse. 750mA 63VDC. Package: SMD 1206. Braking capacity: 50A at 63VDC. Blow characteristic: very fast acting. Type: thick film chip fuse. RoHS compliant. Series MFU. External depth: 3.2mm. Cut tape. Learn More
  23. Vishay / Dale Electronics - MFU0603FF00800P100 - Fuses, SMD. 32VDC 800mA .
    Vishay / Dale Electronics - MFU0603FF00800P100 - Fuses, SMD. 32VDC 800mA .
    $0.40
    Fuses, surface mount. 32VDC 800mA 0603 Thick Film Chip Fuse. Breaking Capacity:50A @ 32VDC. Blow Characteristic:Very Fast Acting. External Depth:1.55mm. RoHS compliant. Learn More
  24. Vishay / Dale Electronics - MFU1206FF00800P100 - Fuse. 800mA 63VDC. Package: SMD 1206.
    Vishay / Dale Electronics - MFU1206FF00800P100 - Fuse. 800mA 63VDC. Package: SMD 1206.
    $0.40
    Fuse. 800mA 63VDC. Package: SMD 1206. Blow characteristic: very fast acting. Type: thick film chip fuse. RoHS compliant. Series MFU. External depth: 3.5mm. On reel. Learn More
View as List Grid

Items 1-24 of 45

Page
per page
Set Descending Direction
What's this? Check "Remember Me" to access your shopping cart on this computer even if you are not signed in.