Mersen

A6T350 - 350 Amp Fuse

A6T350 - 350 Amp Fuse

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A6T350 - 350 Amp Fuse

Looking for a fuse that protects your equipment without taking up a lot of space? The A6T350 Class T Fast-Acting Fuse is made to do exactly that. It reacts quickly to overcurrent situations, helping prevent equipment damage and downtime. Small in size but strong in performance, this fuse fits in tight spaces and still delivers reliable current-limiting protection. Its glass melamine body is tough and stable, and the stamped catalog numbers make it easy to identify when you need to swap it out. Rated for 600VAC and 300VDC with a 200kA interrupting capacity, the A6T350 is ready for even the toughest industrial and commercial electrical systems.

Key Features and Benefits

  • Fast protection: Quickly reacts to overcurrent events.
  • Handles high loads: Rated 350A for demanding applications.
  • Works with AC or DC: Flexible for 600V AC or 300V DC systems.
  • Limits damage: Helps prevent equipment damage during faults.
  • Small footprint: Fits in tight spaces without compromising performance.
  • Durable design: Glass melamine body for long-term reliability.
  • Simple installation: Copper blade terminals with secure bolted mounting.

Technical Specifications

  • Catalog Number: A6T350
  • Fuse Class: Class T
  • Type: Fast-Acting
  • Ampere Rating: 350A
  • Rated AC Voltage: 600VAC
  • Rated DC Voltage: 300VDC
  • Frequency: 50/60 Hz
  • Interrupting Rating: 200kA AC
  • Mounting Type: Bolted
  • Terminal Type: Blade
  • Terminal Material: Copper
  • Body Material: GMG (Glass Melamine)
  • Product Length: 91.9 mm
  • Product Diameter: 41.1 mm
  • Product Weight: 0.2286 kg

Material Compliance and Certifications

  • This fuse meets UL and CSA standards, giving you confidence it’s safe and reliable. Its current-limiting feature makes it a solid choice for keeping both equipment and people protected.

Where It Works Best

  • Industrial power distribution and motor control centers
  • Commercial electrical panels and switchgear
  • Backup power and UPS systems
  • HVAC and automation equipment
  • High fault-current environments

Small, dependable, and easy to maintain—the A6T350 keeps your systems safe and running smoothly.


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Mersen® is a registered trademark of Mersen S.A. Products sold are surplus, used, or refurbished and are NOT supplied by Mersen S.A. or its affiliates.

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