A3T600 - 600Amp Fuse

A3T600 - 600Amp Fuse

When electrical systems are exposed to high fault currents, you need protection that reacts immediately—and that’s exactly where the Mersen A3T600 Class T Fast-Acting Fuse stands out. Built for demanding commercial and industrial environments, this 600A Class T fuse is engineered to deliver fast, reliable overcurrent protection while helping reduce the risk of costly equipment damage and unplanned downtime. Its advanced current-limiting design responds quickly to short circuits and overloads, making it an excellent choice for protecting sensitive electrical components, power distribution systems, and high-capacity equipment.

One of the biggest advantages of the A3T600 is its compact footprint. Even with its high interrupting capacity, this fuse fits into tighter spaces where larger fuse types may not be practical. The durable glass melamine body helps maintain dimensional stability over time, even in challenging operating conditions, while the blade-style copper terminals provide secure bolted connections for dependable installation. Permanent catalog markings stamped directly into the blades also make future inspections and maintenance faster and easier.

Whether you're maintaining an industrial facility, upgrading commercial electrical infrastructure, or protecting mission-critical power systems, the A3T600 delivers the combination of speed, safety, and space-saving performance professionals depend on every day.

Key Features and Benefits

• Fast-acting Class T fuse designed for rapid fault response
• High current-limiting capability helps reduce damage during short circuits
• Compact size allows installation in space-conscious electrical systems
• 600A rating supports demanding industrial and commercial applications
• Suitable for both AC and DC circuit protection
• Glass melamine body improves durability and dimensional stability
• Copper blade terminals provide secure, reliable conductivity
• Helps protect sensitive electrical equipment from overload conditions

Technical Specifications

• Catalog Number: A3T600
  
• Series: A3T – Class T – Fast-Acting
  
• Fuse Class: Class T
  
• Ampere Rating: 600A
  
• AC Voltage Rating: 300VAC
  
• DC Voltage Rating: 160VDC
  
• Frequency: 50/60 Hz
  
• Interrupting Rating: 200 kA AC
  
• Fuse Speed: Fast-Acting
  
• Mounting Type: Bolted
  
• Terminal Type: Blade
  
• Terminal Material: Copper
  
• Body Material: GMG Glass Melamine
  
• Product Length: 77.7 mm
  
• Product Diameter: 41.1 mm
  
• Product Weight: 0.2023 kg
  

Material Compliance and Certifications

• RoHS Compliant
• Designed for UL low-voltage fuse applications
  

Where It Works Best

• Industrial power distribution systems
• Motor control centers
• UPS and backup power systems
• Commercial electrical panels
• Switchgear and control equipment
• Manufacturing and processing facilities
• High-capacity electrical machinery