A3T100 - 100Amp Fuse

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