Circuit Protection

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  1. Unmarked 9 items
  2. Allen Bradley - AB 2 items
  3. Airpax 22 items
  4. Amp Inc 1 item
  5. ASIA 1 item
  6. AVX/Kyocera 2 items
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  15. CAPTOR CORP 1 item
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  17. CORCOM 6 items
  18. Component Research 1 item
  19. COMPREHENSIVE VIDEO SUPPLY 1 item
  20. Cutler-Hammer / Eaton 1 item
  21. Eaton 4 items
  22. ECS INC 1 item
  23. EPCOS 2 items
  24. General Electric 17 items
  25. Federal Pacific 1 item
  26. FILTRON 1 item
  27. FREQ DEVICES 3 items
  28. GE 1 item
  29. FERRAZ SHAWMUT 4 items
  30. Harris Corp 13 items
  31. Gould/Shawmut 3 items
  32. HARRIS 4 items
  33. GOLLEDGE 1 item
  34. Heinemann / Eaton 6 items
  35. HEINEMANN 10 items
  36. IDEC 1 item
  37. ITT 1 item
  38. Karkar Electronics 6 items
  39. Keystone Electronics 1 item
  40. Klixon 5 items
  41. Keko Varicon 2 items
  42. KLOCKNER MOELLER 1 item
  43. Lambda 1 item
  44. LITTELFUSE 23 items
  45. LITTLEFUSE 1 item
  46. MARATHON 1 item
  47. MCC 1 item
  48. Mannesmann Demag 1 item
  49. Mini Circuit Labs 3 items
  50. Murata Erie 2 items
  51. MURATA 1 item
  52. NIKKO ELECTRIC 1 item
  53. NTE Electronics Inc. 4 items
  54. Philips 5 items
  55. NTE Electronics Inc 1 item
  56. OPTIMAX 1 item
  57. Panasonic/Matsushita 1 item
  58. Sylvania 3 items
  59. Potter & Brumfield 7 items
  60. Phoenix Contacts 1 item
  61. RAYCHEM 3 items
  62. POWER ONE 1 item
  63. Potter USA 1 item
  64. Safety Device Co 1 item
  65. ROWAN ILL 1 item
  66. Schurter 3 items
  67. Schaffner 4 items
  68. SCHRUTER 1 item
  69. SCI 1 item
  70. SATO PARTS 1 item
  71. Siemens 6 items
  72. SQUARE D 4 items
  73. SURGE CONTROL LTD 1 item
  74. Taylor/Gould 1 item
  75. TELEMECANIQUE 1 item
  76. UTC 1 item
  77. Wavetek 2 items
  78. WICKMANN 1 item
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Items 25-48 of 256

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  1. Cooper Bussmann - 616 - Buss Reducers, Adapters, 100 - 60 Amp. Class H & K,  Pair - Two per Box.
    Cooper Bussmann - 616 - Buss Reducers, Adapters, 100 - 60 Amp. Class H & K, Pair - Two per Box.
    Special Price $32.98 Regular Price $42.50 As low as $24.98
    IN STOCK - MORE THAN 100 READY TO SHIP!

    Cooper Bussmann No 616 Fuse Holders. Buss Reducers, Adapters, 100 - 60Amp, Class H & K.

    Fuse reducers install in fuse clips to permit the installation of smaller size fuses than those for which the clips are designed. UPC 051712331111

    • Fits into most panels/switches, including the dead-front type
    • Strong contact is maintained both mechanically and electrically
    • 100 Amp to 60 Amp, 600 Volts AC
    • Fuse Reducer
    • UL Class H & K
    • Fits into most panels/switches, including the dead-front type
    • Strong contact is maintained both mechanically and electrically
    • UL Listed (GUIDE # IZZR, FILE #E12853)
    • CSA Certified (CLASS 6225-01, FILE #47235)

    One pair (2) per box.

    UL/CSA Listed.

    UPC 051712331111

    Alternates: Newark 02B5127, Mouser 504-NO.616, Digi-Key NO.616.ND 

    Genuine Cooper Busmann - New Old Stock

     

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  2. AIRPAX - IEGS6-29589-1-V - Circuit breakers. SP 10Amp 80V max.
    AIRPAX - IEGS6-29589-1-V - Circuit breakers. SP 10Amp 80V max.
    $14.99
    Circuit breakers. SP 10Amp 80V max, 400V. DC Hertz. Delay 52, trip 12.5. Front panel toggle switch. Mount: Panel, 2-1/8" behind panel. Learn More
  3. SENSATA - AIRPAX - UPL1-1RO-2433-3 - Circuit breaker. 10Amp 250V 50/60Hz.
    SENSATA - AIRPAX - UPL1-1RO-2433-3 - Circuit breaker. 10Amp 250V 50/60Hz.
    Special Price $14.98 Regular Price $26.50
    READY TO SHIP - ONLY 55 LEFT IN STOCK!

    SENSATA - AIRPAX - UPL1-1RO-2433-3  Circuit breaker.

    SP 10Amp 250V 50/60Hz.

    Trip 12.5Amp. delay 62.

    With auxiliary SPDT 10Amp switch.

    Mounts on 2" centers.

    Listed Ul/CSA.

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

    New Old Stock

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  4. 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

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  5. Sensata - AIRPAX - UPL15-3679-3 - Circuit breaker 2P, 15 Amp & 50 Amp
    Sensata - AIRPAX - UPL15-3679-3 - Circuit breaker 2P, 15 Amp & 50 Amp
    Special Price $24.98 Regular Price $48.50 As low as $19.98
    READY TO SHIP - ONLY 23 LEFT IN STOCK!

    Sensata - AIRPAX - UPL15-3679-3 Circuit breaker.

    1P 15Amp 65VDC, trip 18.8Amp.

    1P 50Amp 50VDC.

    Auxiliary switch/Remote 12VDC activated coil-special purpose.

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  6. WICKMANN - 830 - 83000000000 - Fuse, Holder. For 5 x 20mm 16A 250V fuses.
    WICKMANN - 830 - 83000000000 - Fuse, Holder. For 5 x 20mm 16A 250V fuses.
    Special Price $1.49 Regular Price $2.00 As low as $0.98

    WICKMANN - 830 Fuse, Holder.

    Shock-Safe 16Amp 250V. For 5 x 20mm fuses.

    Material: Thermoplastic.

    Voltage: 250V

    Mount: PCB, Horizontal.

    Dimensions: 1.262" (32.mm) long x 0.591" (15.0mm) wide x 0.597" (15.0mm) high.

    Color: Black.

    APPROVALS: VDE, SEMKO, UL, CSA

    Note: Marked 19830, 2,5W/10A and 16A 250V.

    Germany

    Alternate: Littelfuse 83000000005

     

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  7. Littlefuse Schurter - 8-045 - Fuse Holder. Clips. Package of 20.
    Littlefuse Schurter - 8-045 - Fuse Holder. Clips. Package of 20.
    Special Price $2.98 Regular Price $4.99
    IN STOCK - MORE THAN 100 READY TO SHIP!

    Fuse Holders Clips, Open Design for 5 X 20mm fuses.

    Material: Solid Brass.

    6.3 Amp, 500 VDC/500VAC

    Operating temperature: -40 C to 85 C

    Mount: PCB.

    New Old Stock

    Alternates: 0751.0052, OG0751.0052, BK-6005

    Package of 20.

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  8. Telemecanique - GV2-M05 - Circuit breaker, thermal magnetic. 3P.
    Telemecanique - GV2-M05 - Circuit breaker, thermal magnetic. 3P.
    $40.00
    Circuit breaker, thermal magnetic. Manual motor controller. Input: AC. Contacts: 3 Pole. Overcurrent setting range 0.63A-1A. Mech Mtg: Din rail mount. Dimensions: 1-3/4" x 3-1/2" x 3" tall. Note: Adjustable with start and stop rocker switches. Note: New, but older stock. Learn More
  9. SURGE CONTROL LTD - SPP-2204D - Transient Suppressor & Filter.
    SURGE CONTROL LTD - SPP-2204D - Transient Suppressor & Filter.
    Special Price $28.98 Regular Price $65.00

    SURGE CONTROL LTD - SPP-2204D Transient Suppressor & Filter.

    15Amp 220VAC 50/60Hz.

    Design Exceeds ANSI/IEEE C62.41-1991 CAT.B and IEC 801-4 Level 4 Specifications.

    5-Screw Terminals = Ground + Line In + Neutral In + Line Out + Neutral Out

    New Old Stock

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  10. Square D - AN3161P10 - Circuit Breaker. Push Button, 10Amp.
    Square D - AN3161P10 - Circuit Breaker. Push Button, 10Amp.
    Special Price $6.98 Regular Price $9.95 As low as $5.98

    Square D - AN3161P10 - Circuit Breaker.

    Push Buton 10Amp.

    Thermal Pop-out button.

    Class 9311.

    Panel Mount on 1.75" Centers.

    Dimensions: 2 1/16"" by 1 1/2"" by 3/4"

    Terminals: Screw.

    NSN: 5925-00-254-2673

    Vintage Old Stock

    Applications: Boeing 707

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  11. SIEMENS - 5SX21-C3 - Miniature Circuit Breaker, Interruptor. 1 Phase, 3 Amp, 230~400V.
    SIEMENS - 5SX21-C3 - Miniature Circuit Breaker, Interruptor. 1 Phase, 3 Amp, 230~400V.
    Special Price $9.98 Regular Price $12.50
    READY TO SHIP - ONLY 5 LEFT IN STOCK!

    SIEMENS - 5SX21-C3 Miniature Circuit Breaker.

    Status: Discontinued

    1Phase, 3Amp,  230~400V.

    Mount: Panel.

    Mounts on 18 mm industry rail

    Only 0.7" wide x 3.55"tall x 2".

    Listed UL/CSA/CEBC/OVE, Circled "N", VDE.

    Made in Germany

    Cross: 5SX2-103-7

    Note: Removed from Equipment / Used

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  12. NIKKO ELECTRIC - NW-1-S - Circuit Breaker. 0.8Amp. Pushbutton Reset.
    NIKKO ELECTRIC - NW-1-S - Circuit Breaker. 0.8Amp. Pushbutton Reset.
    Special Price $5.98 Regular Price $8.50 As low as $4.49
    IN STOCK - MORE THAN 100 READY TO SHIP!

    NIKKO ELECTRIC - NW-1-S Circuit Breaker.

    Status: Discontinued

    0.8 Amp, 125V 60Hz.

    Pushbutton Reset.

    Mount: Panel Mount with Removable Bracket.

    Dimensions: 2" long x 5/8" wide x 1-1/8" deep.

    Vintage Genuine Nikko Electric - New Old Stock - Rare

    Made in Japan

    Applications: Consumer Appliances, Amplifiers, Audio/Visual 

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  13. MANNESMANN DEMAG - 469 529 44 - DEMATIK FGB-FIL
    MANNESMANN DEMAG - 469 529 44 - DEMATIK FGB-FIL
    Special Price $27.95 Regular Price $35.00
    FGB-FIL interference suppression filter used for ZMS strain gauge carrier links and FGB-1/FGB-2 frequency generators. OVERLOAD FILTERDEMATIK FGB-FIL 469 529 4464/5 Learn More
  14. LITTELFUSE - V39MA2S - MOV. TVS. 25VAC, 31VDC, 40A. 250 pF.
    LITTELFUSE - V39MA2S - MOV. TVS. 25VAC, 31VDC, 40A. 250 pF.
    Special Price $0.69 Regular Price $0.85 As low as $0.49
    IN STOCK - MORE THAN 100 READY TO SHIP!

    LITTELFUSE - V39MA2S MOV. TVS, transient voltage surge suppressor.

    Voltage Rating: 25VAC, 31VDC.

    0.17 Joules.

    Capacitance: 250pF.

    Peak Surge Current: 40A 

    Surge Rating: 0.17Joul

    Mount: PCB

    Package: 3mm D, Axial Leads.

    Alternate: Mouser 576-V39MA2S, Newark 75C8272

    More info:http://www.littelfuse.com/data/en/Data_Sheets/Littelfuse_MOV_MA.pdf

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  15. LITTELFUSE - HPF - 571 - 571007P  - Watertight  Fuse Holder 600V 30A, 1 Pole.
    LITTELFUSE - HPF - 571 - 571007P  - Watertight Fuse Holder 600V 30A, 1 Pole.
    Special Price $18.98 Regular Price $26.50 As low as $16.98

    LITTELFUSE - HPF - 571 - 571007P - LITTELFUSE - HPF Watertight Fuse Holder

    Panel mount fuse holders are for midget style and Class CC fuses. Class CC fuses have a rejection feature on one end cap, which mates with the rejection feature of Littelfuse Class CC fuses holders to prevent the installation of fuses with lower voltage ratings or interrupting ratings. Watertight version must be front panel mounted.

    Littelfuse® Fuse Holder, Watertight, Series: 571, 600 VAC/VDC, 30 A, 1 Pole, Class: CC/Midget, Combination Solder/Quick Connect, Panel Mount, 1-13/32 to 1-1/2 in Fuse Length, 13/32 in Fuse Dia, -40 to 85 deg C, For Use With: Midget and Class CC Fuses, Thermoplastic, Black, 1.12 in Dia x 2.1 in L

    Watertight - O-Ring Gaskets Mounted on Body and  Cap

    Series: 571 000 

    Product: Fuse Holders 

    Mopunt: Panel Mount  

    Fuse Size / Group: 10.3 x 38 mm, 5AG, Midget   

    Mounting Style: Panel Mount    

    Material: Thermalplastic

    Number of Poles: 1 Pole

    Current Rating:  30 A      

    Voltage Rating:  600 V   

    Minimum Operating Temperature: - 40 C             

    Maximum Operating Temperature: + 85 C            

    Color: Black    

    Dimensions: 1.12 in Dia x 2.1 in L    

    Illumination: Not Illuminated

    Alternate: Littelfuse 571007P, UPC 079458109481

    New Old Stock

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  16. LITTELFUSE - 342012A - Fuses, holders. For 20A 250V fuses.
    LITTELFUSE - 342012A - Fuses, holders. For 20A 250V fuses.
    Special Price $4.98 Regular Price $6.00 As low as $3.98

    LITTELFUSE - 342012A Fuses, Holders.

    For 20A 250V Fuses.

    Size: 1/4 x 1-1/4". (see Attached Detail Print)

    Mount: Panel.

    Molded Parts: Black Thermoplastic (UL 94V0)

    RoHS Compliant.

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  17. TI - Sensata - KLIXON - 51MC1-25-4 - Circuit Breaker, 4 Amp,  50VDC.
    TI - Sensata - KLIXON - 51MC1-25-4 - Circuit Breaker, 4 Amp, 50VDC.
    Special Price $8.98 Regular Price $14.98
    READY TO SHIP - ONLY 31 LEFT IN STOCK!

    Texas Instrument - Sensata - KLIXON - 51MC1-25-4 - Circuit Breaker.

    4 Amp,

    50VDC.

    "M3A"-CURVE 25.

    Learn More
  18. Texas Instruments - KLIXON - 4MC32-1-100 - Circuit Breaker, Single Pole,  60VDC,  100 Amp.
    Texas Instruments - KLIXON - 4MC32-1-100 - Circuit Breaker, Single Pole, 60VDC, 100 Amp.
    Special Price $19.98 Regular Price $32.50

    Texas Instruments - KLIXON - 4MC32-1-100 Circuit Breaker.

    Single Pole, Toggle Reset

    100Amp 60VDC.

    Curve: 1.

    DC Terminals: Silver-plated screw terminals with nuts, tarnished.

    Mounting: two threaded holes 2.0" spacing in front panel.

    NSN 5925-01-111-5216

    Alternate: 548342-2

     

     

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  19. KLIXON - 51MC1-25-6 - Circuit breaker. 6Amp 50VDC. Used.
    KLIXON - 51MC1-25-6 - Circuit breaker. 6Amp 50VDC. Used.
    Special Price $5.98 Regular Price $12.00 As low as $4.98

    KLIXON - 51MC1-25-6 - Circuit breaker.

    6Amp 50VDC.

    Curve 25.

    Mount: Panel, on about 1.7" holes.

    Contacts: 1/4" QC.

    Aux SPDT switch soldered to.

    Used/Removed from Equipment

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  20. TI - Sensata  - Klixon - 4MC2-105-15 - Circuit breaker. 1P 15Amp 250V.
    TI - Sensata - Klixon - 4MC2-105-15 - Circuit breaker. 1P 15Amp 250V.
    Special Price $12.98 Regular Price $19.50 As low as $10.98
    READY TO SHIP - ONLY 37 LEFT IN STOCK!

    Texas Instruments Sensata Klixon - 4MC2-105-15 Circuit breaker.

    1P

    15Amp

    250V,

    Curve 105.

    Frequency 60Hz.

    Toggle Resetable.

    Mount: panel with 53.0mm centers.

    Dimensions: 19.2mm wide x 58.3mm high x 62.2mm behind panel, including terminals.

    NSN: 5925-00-932-0107

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  21. SENSATA TECHNOLOGIES - KLIXON - 51MC2-123-.500 - Circuit breaker, 0.5Amp, 250V 60Hz.
    SENSATA TECHNOLOGIES - KLIXON - 51MC2-123-.500 - Circuit breaker, 0.5Amp, 250V 60Hz.
    Special Price $9.98 Regular Price $13.95
    IN STOCK - MORE THAN 100 READY TO SHIP!

    SENSATA TECHNOLOGIES - KLIXON - 51MC2-123-.500 Circuit breaker.

    0.5Amp 250V 60Hz.

    Mount: panel 2" x 2" x 0.75".

    Curve 123.

     

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  22. KARKAR ELECTRONICS - KDOV4006 - FILTERS, 19.3 MHZ L.P. 75-OHM
    KARKAR ELECTRONICS - KDOV4006 - FILTERS, 19.3 MHZ L.P. 75-OHM
    Special Price $8.99 Regular Price $12.50
    19.3 MHZ LOW PASS FILTER 75/ 75 OHMS UNBALANCED Learn More
  23. KARKAR ELECTRONICS - KDOV4003 - FILTER 75-OHM UNEQ HYBRID
    KARKAR ELECTRONICS - KDOV4003 - FILTER 75-OHM UNEQ HYBRID
    Special Price $6.75 Regular Price $9.00
    FILTER 75-OHM UNEQ HYBRID Learn More
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