Circuit Breaker

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  1. SIEMENS - 3VF4231-1DF41-7KA0 - 3-Ph 125A Adj Thermal Magnetic Circuit Breaker
    $379.00
    3VF & Meter #3VF4231-1DF41-7KA0 50/60Hz 415V/40/40kA 690V 14/7 Excellent Condition - UL-E167267 CSA-LR44511 VDE-0660 IEC-947-2 Trip Thermal Magnetic Circuit Breaker Learn More
  2. Westinghouse - HMCP007C0 - 21-70Amp Adjustable 3-Ph Motor Circuit Protector
    Special Price $149.95 Regular Price $276.50
    READY TO SHIP - ONLY 7 LEFT IN STOCK!
    Adjustable 21-70 Amps 3-pole MOTOR CIRCUIT PROTECTOR 480VAC -7Amp Continuous. Trip Range: 21-70 Amp. F-frame. Learn More
  3. 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
    IN STOCK - MORE THAN 100 READY TO SHIP!

    TE Connectivity / Potter & Brumfield - W23-X1A1G-40 Circuit breaker.

    W23 Series - Single Pole

    Thermal Push/Pull 40 Amp 250VAC

    50vdc max.

    Mount: Panel Mount

    UL, CSA Approved

    Dimensions: See Attached Diagram

    New Old Stock

    Proudly Made in USA

    Learn More
  4. SIEMENS/P&B - W58XB1A4A-1.50 - Circuit breaker. 1.5Amp 250VAC / 50VDC.
    $4.95

    Circuit breaker. 1.5Amp 250VAC / 50VDC with recessed button that can not be pulled out to disconnect circuit - 10-45 second trip time - Carries 100% of rated current, 1/4" QC Terminals.

    Learn More
  5. SIEMENS P&B - W58XA4A12B-20 - Circuit breaker. SP 20Amp 250VAC/50VDC.
    Special Price $3.98 Regular Price $4.50 As low as $2.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    SIEMENS P&B - W58XA4A12B-20 Circuit breaker.

    SP 20Amp 250VAC/50VDC.

    Thermal-type.

    Single hole mount.

    Recessed button can not be pulled out to disconnect circuit.

    Continuously carries 100% of rated load.

    Dimensions: 1.394" wide x 0.660" deep x 1.381" high, plus threaded bushing 0.292" long.

    Contacts: 1/4" quick connect terminals.

    Learn More
  6. 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

    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
  7. 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 15 LEFT IN STOCK!

    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.

     

    Learn More
  8. Heinemann / Eaton - AM1-Z204-64 - Circuit breaker. SP 5.5Amp 65VDC.
    Special Price $3.67 Regular Price $4.89
    Circuit breaker. SP 5.5Amp 65VDC. Trip amp: 6.87Amp. Auxiliary switch: 5Amp 250VAC. Note: Double marked: AM1-B1-A. Learn More
  9. Heinemann / Eaton - JC2S-A3-LJ-01-W-A-PN - Circuit breaker. 2P 15Amp 250VAC.
    $25.00
    READY TO SHIP - ONLY 35 LEFT IN STOCK!

    Circuit breaker. 2P 15Amp 250VAC. Delay: 2. Mount: panel.

    Learn More
  10. Heinemann / Eaton - JB1-A3-A - Circuit breaker. SP 0.5Amp 250VAC.
    $5.00
    Circuit breaker. SP 0.5Amp 250VAC. Toggle. Trip amp: 0.625Amp. Delay: 3. Mount: panel, snap-in. Dimensions: 0.761" wide x 2.65" (actual 2.012") high, behind panel. Listed: UL/CSA. Learn More
  11. Heinemann / Eaton - AM3SD3-A-0015-03E - Circuit breaker. 3P 15A 250VAC.
    Special Price $49.95 Regular Price $65.00
    Circuit breaker. 3P 250VAC/65VDC. Trip amp: 20.3Amp. Delay: 3. Learn More
  12. E-T-A - ETA - 41-04-PR-6.0A - Thermal Overcurrent Circuit breakers. 250VAC 6Amp. Package of 2
    Special Price $3.98 Regular Price $5.00 As low as $2.98
    IN STOCK - MORE THAN 1,000 READY TO SHIP!

    E-T-A - 41-04-PR-6.0A - Thermal Overcurrent Circuit breakers. 250VAC 6Amp.

    Circuit breakers.

    Solder Terminal Pins for PCB Mount

    250VAC 6Amp.

    Mount: PCB. Dimensions: 0.75" wide x 0.44" high x 1.6" deep overall.

    Package of 2 

     

    Learn More
  13. E-T-A - 45-000-P-H - 2.5 Amp Circuit Breaker. SP 2.5Amp 250VAC.
    Special Price $9.98 Regular Price $14.50 As low as $7.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    E-T-A (ETA) - 45-000-P-H - 2.5 Amp Circuit Breaker. SP 2.5Amp 250VAC

    SP 2.5Amp 250VAC.

    With reset button.

    Mount: 2 hole panel, front flange 49.9mm long x 17.9mm wide and 40.0mm centers.

    Dimensions: 31.2mm wide x 14.0mm x 49.5mm behind panel.

    Contacts: (2) 1/4" male quick connect terminals.

    Listed: UL/CSA.

    Made in Germany

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  14. EATON - CUTLER-HAMMER - HMCP400W5W - Circuit Breaker, Motor Circuit Protector, 3 Pole 400Amp 600VAC/250VDC.
    Special Price $895.98 Regular Price $1,850.00
    READY TO SHIP - ONLY 1 LEFT IN STOCK!

    CUTLER-HAMMER - HMCP400W5W Circuit Breaker.

    3 Pole 400Amp 600VAC/250VDC.

    Family: Series C,  Nema Type 3, Molded Case.

    Phase: 3

    Poles: Three - Pole Magnetic Trip

    Voltage: 600

    Amperage: 400

    Connection: Bolt-On

    Protection: Magnetic Only

    Functions: I - Instantaneous

    AIC Rating: 35kA@480V

    Frame Size: K Frame

    Magnetic Trip Range : 1250-2500 Amp.

    Motor Protector. - Approvals: UL, CSA

    Dimensions: Height 10.13" X Length 4.1" X Width 5.5"

    Weight: 11 Lb 5 Oz

    Used / Removed From Equipment

    Note: Difficult to find Item 

    Made in USA

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  15. AIRPAX - 209-3-22848 - Circuit breaker. 3P 60Amp 240VAC 50/60Hz. New.
    $92.00
    READY TO SHIP - ONLY 18 LEFT IN STOCK!
    Circuit breaker. 3P 60Amp 240VAC 50/60Hz. Special Purpose not for general use. Mount: Panel, each individual breaker has 2 mount holes. Overall centers is approximately 3.5". Dimensions: approximately 3" wide x 5-1/8" high x 3-9/16" deep. Note: T29-467. Issue LN-1233.New. Learn More
  16. Airpax - 209-2-6467-4 - Circuit breaker. 2P 240VAC 75Amp.
    $20.00
    READY TO SHIP - ONLY 53 LEFT IN STOCK!

    Circuit breaker. 2P 240VAC 75Amp. Mount: Panel. Dimensions: overall 2.051" wide x 3.563" deep x 5-1/8" high. New. Use on Vertical Surface. Marked for Special Use Only.

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  17. AIRPAX - UPL211-1REC2-8966-1 - Circuit breakers. 3 Pole 400Hz 8 Amp.
    Special Price $39.98 Regular Price $68.50
    READY TO SHIP - ONLY 24 LEFT IN STOCK!

    AIRPAX - UPL211-1REC2-8966-1 Circuit breakers.

    3 Pole 400Hz 8 Amp F.L., T.A.12

    250VAC 400 cycle, delay 41,

    AUX switch 10A-250VAC,

    AUX coil 12VDC.

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

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  18. Sensata Airpax - PP11-62F-2.00A-24458-2-V - 2Amp Push-Pull Circuit Breakers
    Special Price $5.98 Regular Price $8.50 As low as $4.98
    IN STOCK - MORE THAN 1,000 READY TO SHIP!

    Sensata Airpax - PP11-62F-2.00A-24458-2-V

    Hydraulic Magnetic Circuit Protectors (SNAPAK®)

    2Amp Push - Pull Circuit Breakers

    Single Pole

    Switch Trip/Amp 2.00 Ampere

    250VAC 50/60Hz

    Frequency & Delay: Slow 50/60 Hz

    (2) 1/4" male QC mounting and dress nut included

     0.680" x 1.375" x 1.960" behind panel

    Weight 1.0 oz 

    Highly Discounbted - New Old Stock

    Additional Information: https://datasheet.octopart.com/PP11-62F-2.00A-24458-2-V-Sensata---Airpax-datasheet-68313446.pdf

    Alternate: TE Connectivity W23-X1A1G-2

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  19. ROWAN Controller Inc. - 2101-CPAOPAR - Circuit Breaker. SP Pushbutton, Illuminated.
    Special Price $16.98 Regular Price $24.50 As low as $12.98

    ROWAN Controller Inc. - 2101-CPAOPAR Circuit Breaker, Pushbutton.

    Contact Ratings: 1.5 Amp.

    Actuator: Illuminated 120V lamp.

    Connection: Solder.

    Mech: Panel, Bushing Mount 0.75" D.

    Body: 1.1234" wide x 1.018" long x 2.207" deep plus contacts.

    Threaded bushing: 0.817" long (seated).

    Lamp: GEB2A Bayonet Neon.

    Push on/Push off.

    [Note, the closed contacts have a resistance of 1.8 ohms and 3.6 amps DC through this path will trip the contact mechanism immediately. Lower currents, in excess of 1.5 amp will trip more slowly. These electrical facts shall not be used to define any actual specifications on this device as a circuit breaker.]

    New Old Stock

    Proudly Made in the USA. 

    Learn More
  20. Potter & Brumfield - W93X11-2-20 - 3-Pole 20Amp 250Vac Circuit Breakers
    Special Price $41.95 Regular Price $59.95
    3-Pole 20Amp 250Vac Circuit Breakers 50/60CY Curve 2 277VAC MAX Learn More
  21. LITTELFUSE - 814020 - Circuit Breakers. Push Button 24V 20 Amp.
    Special Price $6.98 Regular Price $8.50 As low as $4.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    LITTELFUSE - 814020 Circuit Breakers.

    A circuit breaker is an automatically operated electrical device designed to protect an electrical circuit from damage caused by overload or short circuit. Unlike a fuse, a circuit breaker can be reset (either manually or automatically) to resume normal operation. Automatic units are cycling and continuously self resetting, while the manual units are used where investigation of the fault is required prior to the circuit being reset.

    Push Button Manual Reset (type III) with 90° bracket

    24V 20 Amp.

    Operating temperature: -23°C to 65°C.

    Case: metal housing/shielding small 2-screw terminals.

    Dimensions: 1-1/4" long x 3/4" wide x 5/8" tall.

    New Old Stock

    Applications: Automotive, Commercial, Industrial, Trailor Lighting 

    Learn More
  22. KLOCKNER MOELLER - FAZ-S16 - CIRCUIT BREAKER 16A
    Special Price $8.99 Regular Price $12.00
    CIRCUIT BREAKER 16AMP DIN MOUNTABLE CE-approved 1-polig Learn More
  23. HEINEMANN - 2XAM1516 - Circuit Breaker. 2P 15Amp 125VDC.
    $19.95
    Circuit Breaker. 2P 15Amp 125VDC. TD: 2. Curve 2. Dimensions: 2" wide x 3.6" deep x 3.75" high. Mounts on 2.75" centers. Learn More
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Items 1-24 of 286

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