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** Picture is for identification purposes only and may not represent the actual amperage of the product listed **

A3T350 - 350Amp Fuse

  • 350 Amp
  • 200 kA @ 300 V.AC Volts AC
FusesSKU: A3T350

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A3T350 - 350Amp Fuse Description

A3T350 - 350Amp Fuse

The Mersen A3T350 Class T Fast-Acting Fuse is designed to provide dependable overcurrent protection for commercial and industrial electrical systems where reliability matters. Rated at 350 amps, this Class T fuse reacts quickly to short circuits and overloads, helping to protect your valuable equipment from unnecessary damage and reducing the risk of extended downtime.

Built with a durable glass melamine body and copper blade terminals, the A3T350 is made for demanding environments and long-term performance. The fast-acting design helps clear fault conditions quickly, which can help reduce stress on connected electrical components. Permanent markings stamped directly into the blades also make identification easier during maintenance or replacement work. With a 200kA interrupting rating, this fuse is well-suited for high-available-fault-current applications commonly found in industrial facilities and commercial power systems.

From motor control centers to UPS systems and switchboards, the Mersen A3T350 is a solid choice for electrical professionals looking for compact, high-performance Class T fuse protection.

Key Features and Benefits

  • Fast-acting Class T fuse for quick overcurrent protection
  • 350A rating for demanding electrical applications
  • High current-limiting capability helps reduce equipment damage
  • Compact design saves panel and enclosure space
  • Rated for 300VAC and 160VDC applications
  • 200kA interrupting rating for high fault-clearing performance
  • Durable glass melamine body for dimensional stability
  • Copper blade terminals for reliable conductivity
  • Permanently stamped markings for easier identification
  • Suitable for commercial and industrial power distribution systems

Technical Specifications

  • Manufacturer: Mersen
  • Catalog Number: A3T350
  • Product Type: Class T Fast-Acting Fuse
  • Fuse Class: Class T
  • Ampere Rating: 350A
  • Voltage Rating (AC): 300VAC
  • Voltage Rating (DC): 160VDC
  • Frequency: 50/60 Hz
  • Interrupting Rating: 200kA AC
  • Mounting Type: Bolted
  • Terminal Type: Blade
  • Terminal Material: Copper
  • Body Material: GMG Glass Melamine
  • Product Diameter: 33.8 mm
  • Product Length: 69.8 mm
  • Product Weight: 0.1234 kg

Material Compliance and Certifications

  • RoHS Compliant
  • Designed for UL low-voltage fuse applications
  • Suitable for demanding industrial and commercial environments

Where It Works Best

  • Industrial power distribution systems
  • Motor control centers
  • UPS (Uninterruptible Power Supply) systems
  • Switchboards and panelboards
  • Manufacturing facilities
  • Data centers
  • Commercial electrical infrastructure
  • Renewable energy applications
  • Heavy-duty electrical equipment

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

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.

Specifications

  • Width:1.312
  • Depth:1.312
  • Height:2.75
  • Amperes:350
  • A.I.C. Rating & Volts:200 kA @ 300 V.AC
  • Type:A3T
  • Additional Notes:Knife-Blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse

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You may return unused items within 30 days of delivery for a full refund.

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