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A3T100 - 100Amp Fuse

  • 100 Amp
  • 200 kA @ 300 V.AC Volts AC
FusesSKU: A3T100

Purchase Options: New

Quantity
$36.86

A3T100 - 100Amp Fuse Description

A3T100 - 100Amp Fuse

The Mersen A3T100 Class T Fast-Acting Fuse is built for electrical systems that need quick, dependable overcurrent protection without taking up unnecessary space inside the panel. Rated at 100 amps, this Class T fuse is designed to respond rapidly to short circuits and overloads, helping you reduce damage to connected equipment and keeping your downtime to a minimum. Its compact size and high interrupting capacity make it a practical choice for commercial and industrial applications where protection and efficiency matter.

Constructed with a glass melamine body for added stability and durability, the A3T100 is made to perform reliably in demanding environments. The bolted blade-style terminals provide a secure connection, while permanently marked catalog information makes future maintenance and replacement easier. Whether you're using it in motor circuits, distribution equipment, HVAC systems, or industrial control panels, this Amp-Trap® fuse offers the fast-acting protection electricians and maintenance professionals rely on every day.

Key Features and Benefits

  • Fast-acting design helps protect equipment from overloads and short circuits
  • 100 amp rating for commercial and industrial electrical systems
  • Compact Class T construction saves panel space
  • Rated for 300VAC and 160VDC applications
  • High interrupting capacity rated up to 200 kA AC
  • Current-limiting performance helps reduce fault energy
  • Durable glass melamine body supports long-term reliability
  • Bolted blade terminals provide secure installation
  • Permanent markings simplify identification during servicing
  • RoHS compliant for modern environmental standards

Technical Specifications

  • Manufacturer: Mersen
  • Catalog Number: A3T100
  • Product Type: Class T Fast-Acting Fuse
  • Series: A3T Amp-Trap®
  • Ampere Rating: 100A
  • Voltage Rating AC: 300VAC
  • Voltage Rating DC: 160VDC
  • Frequency: 50/60 Hz
  • Fuse Class: Class T
  • Fuse Speed: Fast-Acting
  • Interrupting Rating: 200 kA AC
  • Mounting Type: Bolted
  • Terminal Type: Blade
  • Terminal Material: Copper
  • Body Material: GMG Glass Melamine
  • Product Length: 54.9 mm
  • Product Diameter: 20.6 mm
  • Product Weight: 0.034 kg
  • Compliance: RoHS

Material Compliance and Certifications

  • The A3T100 fuse is RoHS compliant and designed for use in commercial and industrial electrical systems where dependable performance and material compliance are important.

Where It Works Best

  • Industrial control panels
  • Power distribution equipment
  • HVAC systems
  • Motor protection circuits
  • UPS and backup power systems
  • Renewable energy applications
  • OEM machinery and automation equipment
  • Commercial electrical systems

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:0.812
  • Depth:0.812
  • Height:2.156
  • Amperes:100
  • 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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CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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