Circuit Protection

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  1. SIEMENS - 5SB421 - Fuse. 50Amp 500V.
    SIEMENS - 5SB421 - Fuse. 50Amp 500V.
    Special Price $14.98 Regular Price $21.99
    SIEMENS - 5SB421 - Fuse. 50Amp 500V. Diazed Fuse Link, Cable and Line Protection. E33 Thread Size, Class gL/gG, 500 VAC, Size DIII-E 33, Dimensions 0.5625 x 2 in, UPC Code 754554214627 Learn More
  2. Mersen GOULD/SHAWMUT - A70P50 - 700VAC 50AMP Semiconductor fuse RFE/Used
    Mersen GOULD/SHAWMUT - A70P50 - 700VAC 50AMP Semiconductor fuse RFE/Used
    Special Price $28.98 Regular Price $60.00
    READY TO SHIP - ONLY 3 LEFT IN STOCK!

    Mersen GOULD/SHAWMUT - A70P50 - Fuses.

    A70P Amp-Trap® Form 101 Semiconductor Protection fuses were developed for higher voltage AC and DC drives, UPS systems, reduced voltage motor starters and similar applications where lower l2
    t and superior reliability are needed. A70P is a very popular fuse, available in a wide range of ratings. Typically used for replacement.

    700VAC 50Amp

    Very Fast Acting Semiconductor fuse.

    Type 4 Form 1

    150DegC Max.

    Mersen, formerly Ferraz Shawmut

    Applications: Protection of 700V or less DC drives, UPS, inverters, reduced voltage starters, etc.

    Norte Removed from equipment/Used.

     

    Learn More
  3. Cooper/Bussmann - FRS50 - Fuse. 50Amp 600V.
    Cooper/Bussmann - FRS50 - Fuse. 50Amp 600V.
    $26.95
    Fuse. 50Amp 600V. Dual element, time delay. Semiconductor fuse. Learn More
  4. Cooper/Bussmann - LPJ-50SP - Fuse. 50Amp 600VAC.
    Cooper/Bussmann - LPJ-50SP - Fuse. 50Amp 600VAC.
    $49.00
    Fuse. 50Amp 600VAC. Dual element, time delay, current limiting. Class J. IR 200kA AC type D. Mounting type: Holder. Dimensions: 1.073" D x 2.4" high. Note: Listed: UL/CSA. Learn More
  5. BUSSMANN - LPS50 - 600V Low Peak Dual-Element Time Delay
    BUSSMANN - LPS50 - 600V Low Peak Dual-Element Time Delay
    Special Price $8.99 Regular Price $12.00
    600V 50AMP Low Peak Dual-Element Time Delay CLASS 5K Learn More
  6. BUSSMANN - NOS-50 - 50Amp 600VAC Semiconductor Fuse
    BUSSMANN - NOS-50 - 50Amp 600VAC Semiconductor Fuse
    Special Price $19.98 Regular Price $24.95

    BUSSMANN - NOS-50 - Semiconductor Fast Acting Fuse

    Fast-acting, nonindicating UL Class H and K5 fuses are for general purpose use in existing installations that require a high-sensitivity, fast-blow fuse. These fuses are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges, so they open within seconds of being exposed to overloads and short circuits. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.

    Current: 50 A

    Voltage: 600V  

    Eaton Bussmann series NOS fuse Class H

    Supplemental one-time fuse

    Non current limiting

    Light duty circuit locations

    50 A, Class K5|Class H

    Non-indicating

    Ferrule end x ferrule end

    50 kAIC at 600 Vac

    Semiconductor Fuse One-Time Fuse

    Alternates: 6HKRFB, H600, HM600, HM601, HM602, HM604

    Learn More
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