Circuit Protection

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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!

    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. SENSATA- AIRPAX - UPL11-11-674 - Circuit breaker. 65VDC 25Amp.
    SENSATA- AIRPAX - UPL11-11-674 - Circuit breaker. 65VDC 25Amp.
    Special Price $16.98 Regular Price $28.50
    READY TO SHIP - ONLY 48 LEFT IN STOCK!

    SENSATA- AIRPAX - UPL11-11-674  Circuit breaker.

    65VDC 25Amp.

    Delay: 51.

    Trip 31.1Amp.

    New Old Stock

    Additional Information: https://www.sensata.com/sites/default/files/media/documents/2018-04-26/ourproducts_apl_upl_series_datasheet.pdf

    Learn More
  3. STOTZ - S252 - 25Amp 415VAC 2-Pole Din-Rail
    STOTZ - S252 - 25Amp 415VAC 2-Pole Din-Rail
    $10.00
    No.28 (25A)U 415VAC 2-Pole-ganged DIN-Rail mounting 35mm wide x 85/90mm high x 65mm deep with toggle, 50mm behind panel - screw terminals Learn More
  4. IDEC - NRAS2100F - Circuit breaker. 2P 7.5Amp.
    IDEC - NRAS2100F - Circuit breaker. 2P 7.5Amp.
    Special Price $34.00 Regular Price $34.99
    Circuit breaker. 2P 7.5Amp. Max voltage: 65V. Hertz Dc. T Amps: 9.375. Curve AD. Listed: UL/CSA. Learn More
  5. Square D - 24436 DA - Circuit breaker. 25 Amp 1P 277VAC, 65VDC.
    Square D - 24436 DA - Circuit breaker. 25 Amp 1P 277VAC, 65VDC.
    $48.00
    Circuit breaker. 25 Amp 1P 277VAC, 65VDC. Multi9 C60. Listed: UL/CSA Learn More
  6. 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
  7. 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
  8. Heinemann / Eaton - AM3S-Z249-6 - Circuit breaker. 3P 25Amp 480VAC 50/60Hz.
    Heinemann / Eaton - AM3S-Z249-6 - Circuit breaker. 3P 25Amp 480VAC 50/60Hz.
    $30.00
    Circuit breaker. 3P 25Amp 480VAC 50/60Hz. Delay 2. Mount: Panel, 6 hole, each at 0.75" apart. Dimensions: 2.249" wide x 2.515" high x 2.76" behind panel. Note: Double marked AM3S-A3-DA-02-D-AB. Eaton/Heinemann. Learn More
  9. AIRPAX - LMLC1-1RLS4-28977-25 - Circuit breaker. SP 25Amp 80VDC.
    AIRPAX - LMLC1-1RLS4-28977-25 - Circuit breaker. SP 25Amp 80VDC.
    $24.99
    Circuit breaker. SP 25Amp 80VDC. Toggle. Delay: 52. TA: 31.1Amp. Aux switch 1Amp 80VDC. Mount: panel, 2 holes at 2.0" centers. Dimensions: 0.744" wide x 2.51" high. Listed: UL/CSA. Note: Special purpose, not for general use, non time delay. 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. EATON HEINEMANN - CD1-B2-DU - Circuit Breaker. SP 25Amp 125VDC.
    EATON HEINEMANN - CD1-B2-DU - Circuit Breaker. SP 25Amp 125VDC.
    Special Price $16.98 Regular Price $20.50

    EATON HEINEMANN - CD1-B2-DU - Circuit Breaker.

    SP 25Amp 125VDC. DC Hz. TD 1.

    Compact E Frame with Auxiliary Switch

    Special Purpose.

    Mount: Panel, vertical 2 hole mount with 2-3/4" centers.

    Dimensions: 1.023" wide x 4.786" high x 2.873" deep plus screw contacts on rear.

    New Old Stock

    Learn More
  14. Heinemann / Eaton - AM2B0B6A25P - Circuit Bbreaker. DP 25Amp 65VDC.
    Heinemann / Eaton - AM2B0B6A25P - Circuit Bbreaker. DP 25Amp 65VDC.
    Special Price $34.98 Regular Price $42.50

    Heinemann / Eaton - AM2B0B6A25P Circuit Breaker.

    DP 25Amp 65VDC.

    Hertz DC.

    Mount: Panel, 4 holes at 2-1/8" centers.

    Dimensions: 1.491" wide x 2.5" high x 2" deep plus contacts.

    New Old Stock

    Learn More
  15. 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
  16. Carlingswitch - CA3-B0-22-475-412-D - Circuit breaker. 3P 250V 7.5Amp.
    Carlingswitch - CA3-B0-22-475-412-D - Circuit breaker. 3P 250V 7.5Amp.
    $54.99
    Circuit breaker. 3P 250V 7.5Amp. Frequency: 50/60Hz. Delay 22. Trip: 9.38Amp. Switch lever. Learn More
  17. Sensata Airpax - 219-1-1REC4-52F-2-8-25 - Circuit Breaker. 25Amp 125V.
    Sensata Airpax - 219-1-1REC4-52F-2-8-25 - Circuit Breaker. 25Amp 125V.
    Special Price $32.98 Regular Price $38.50

    Sensata Airpax - 219-1-1REC4-52F-2-8-25 Circuit Breaker.

    Airpax Series 219 Hydraulic Magnetic  Circuit Breakers are for manual controller applications, which complies to UL Standard 508, the 229, for supplementary protectors applications, which complies to UL Standard 1077, and the 299, a Special Construction version.

    Status: Discontinued

    SP 25Amp 125V. Hertz DC. Delay 52F.

    FL Amps: 25

    Trip Amps: 31.3A

    Aux switch 10Amp 250VAC.

    Mount: Panel, Vertical with 2 holes at 2.75" centers.

    Dimensions: 1.025" wide x 4.75" high.

    New Old Stock - Bulk Packaged

    Learn More
  18. 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
  19. ABB - S272K25A - 2-Pole cirtcuit breakers 277/480Vac 25Amp
    ABB - S272K25A - 2-Pole cirtcuit breakers 277/480Vac 25Amp
    Special Price $24.98 Regular Price $48.00

    ABB - S272K25A - 2-Pole Cirtcuit Breakers

    277/480Vac 25Amp

    Double Pole

    Din Rail Mount

    Dimensions: 7.09" X 6.3" X 8.27"

    UL1077 IEC-8908

    Made in Germany

    Factory New

    Learn More
  20. 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
  21. BUSSMANN - SFE-7-1/2 - Fuse. 7.5Amp 32V. Package of 5.
    BUSSMANN - SFE-7-1/2 - Fuse. 7.5Amp 32V. Package of 5.
    Special Price $3.98 Regular Price $5.00 As low as $3.49

    Cooper Bussmann - SFE-7-1/2 - Fuse. 7.5Amp 32V.

    Fast Acting.

    Package: Glass

    Dimensions:  6.35 X 22.2mm (0.25" Diameter x 0.875" Length).

    Note: SFE fuses are 1/4” diameter and change in length as amp ratings increase

    Functionally Equal To Ferraz/Gould FSFE, Littelfuse 307, Mersen FSFE7-1/2

    Package of 5.

     

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  22. LITTELFUSE - 313025 - Fuse. 25Amp 32V. Package of 5.
    LITTELFUSE - 313025 - Fuse. 25Amp 32V. Package of 5.
    Special Price $3.98 Regular Price $5.00
    Fuse. 25Amp 32V 3AG. Slo-Blow. Dimensions: 1/4" x 1-1/4" long. Package of 5. Learn More
  23. LITTELFUSE - 311025 - Fuse. 25Amp 32V 3AG.
    LITTELFUSE - 311025 - Fuse. 25Amp 32V 3AG.
    $3.00
    Fuse. 25Amp 32V 3AG. Dimensions: 0.25" (6.35mm) D x 1.25" (31.75mm) long. Learn More
  24. Mersen Gould/Shawmut - A25X25 - Fuse. 300VAC 25Amp.
    Mersen Gould/Shawmut - A25X25 - Fuse. 300VAC 25Amp.
    Special Price $12.98 Regular Price $16.50

    Mersen Gould/Shawmut - A25X25 - Fuse.

    300VAC 25Amp.

    Form 101 Type 1

    Mounting Type: Surface

    Fast Acting, Current Limiting, Semiconductor Fuse.

    Dimensions: 0.584" D x 2.002" long.

    Alternate: M214325

    UPC 616469728791

    New Old Stock

    Mersen, formerly Ferraz Shawmut

    APPLICATIONS: Protection of 300 volt heavy duty rectifiers and similar heavy power supplies

    Learn More
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