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    • A3T175 – GOULD 175A 600V CLASS T FAST ACTING FUSE

    175A · 600V

    The A3T175 is a high-performance Gould 175A 600V Class T fast-acting fuse, designed for superior reliability and protection in electrical systems. With its fast response time, it effectively safeguards equipment from overloads and short circuits, ensuring optimal safety and performance. Ideal for industrial applications and tailored for your circuit protection needs.

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    SKU GOU A3T175 Categories ,
    Specifications
    BrandGould
    Amperage175 A
    Voltage600V
    Interrupting Rating200 kA
    Frame / SeriesA3T
    Catalogue #A3T175
    Compatible Holders & Replacements

    The Gould A3T175 is a Class T, 175A 600V fast-acting fuse with a 200kA interrupting rating, designed to fit standard Class T fuse holders and blocks rated for 600V and at least 175A. Common compatible holders include Gould/Ferraz Shawmut and Mersen Class T fuse blocks — verify your holder's ampere and voltage rating before installation. As a Class T fuse, it is not interchangeable with Class J, Class L, or other fuse classes due to its rejection-style dimensions.

    • Direct cross-references: Mersen (Ferraz Shawmut) A3T175, Bussmann JJN-175 (Class T equivalent) — confirm exact cross before substituting.
    • Replacement tip: Always replace with the same class, amperage, and voltage rating to maintain system protection levels and CSA/UL compliance.

    Not sure if this fuse fits your holder or switchgear? Send us your equipment details and we'll confirm compatibility.

    The A3T175 is a Class T fuse and requires a Class T–rated fuse holder or block designed for 600V and a minimum of 175A. Class T fuses have rejection-style ferrules that prevent installation in holders intended for other fuse classes (such as Class J or Class L), so always confirm your holder is specifically rated for Class T.

    Gould's fuse line was acquired by Ferraz Shawmut, now operating as Mersen. The direct modern equivalent is the Mersen (Ferraz Shawmut) A3T175. Northern Breaker Group specialises in hard-to-find and obsolete electrical components — contact us for current stock availability or to source a confirmed cross-reference replacement.

    The 200kA interrupting rating means the A3T175 can safely clear fault currents up to 200,000 amperes without rupturing or causing further damage — one of the highest ratings available in fuse protection. This makes it particularly well-suited for industrial and commercial service-entrance applications where available fault current levels can be very high. Always verify that your system's available fault current does not exceed the fuse's interrupting rating.

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    Contact Northern Breaker Group

    Experience the advantage of working with Canada's fastest growing electrical supply network—where local expertise meets national capabilities.
    Whether you’re a contractor needing same-day pickup in Calgary, an facility manager sourcing obsolete parts in Edmonton, or a Vancouver electrician requiring marine-rated components, Northern Breaker Group is your trusted electrical supply partner.

    For General Inquiries:

    Visit any of our three locations or use our online quote system to connect with the Northern Breaker Group network.

    For Location-Specific Needs:

    Calgary: 403-520-0014

    Edmonton: 780-758-6122

    Vancouver: 604-283-6336

    Reach out to us today to discuss your needs.

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