TR90R - 90 Amp Fuse

TR90R - 90 Amp Fuse

The TR90R 90 Amp Class R Fuse is designed for your electrical systems that need dependable protection without sacrificing performance. Built with a time-delay design, this fuse helps handle temporary power surges and motor-startup currents while still providing fast protection during overloads and short circuits. That means fewer nuisance interruptions and better protection for valuable electrical equipment in commercial and industrial environments. Its knife-blade style construction allows for a secure fit in compatible fuse holders, while the current-limiting Class R design helps reduce the amount of damaging fault energy that can reach downstream components. With an impressive 200 kA interrupting rating at 250V AC, the TR90R fuse is a smart solution for facilities that demand reliable overcurrent protection in high-fault-current applications. Whether you’re maintaining motor control centers, protecting HVAC systems, or servicing industrial distribution equipment, the TR90R fuse offers the kind of consistent performance electricians and maintenance professionals depend on every day. Its compact profile also makes installation easier in tighter panel layouts where space matters.

Key Features and Benefits

• 90 Amp Class R Fuse: Provides dependable overcurrent protection for commercial and industrial electrical systems.
• Time-Delay Performance: Helps prevent unnecessary fuse openings during equipment startup and temporary inrush currents.
• Current-Limiting Design: Helps reduce potential damage caused by short circuits and limits damaging fault energy reaching downstream equipment.
• High Interrupting Capacity: Rated at 200 kA @ 250V AC for protection in high fault-current applications.
• Knife-Blade Style Terminals: Provides secure installation in compatible fuse blocks.
• Non-Indicating Construction: Offers straightforward, maintenance-friendly operation.
• Compact Dimensions: Supports installation in a variety of electrical panels and control systems where space matters.
  

Technical Specifications

• Part Number: TR90R
  
• Fuse Class: Class R
  
• Type: TR
  
• Amperage Rating: 90A
  
• Voltage Rating: 250V AC
  
• Interrupting Rating: 200 kA @ 250V AC
  
• Fuse Style: Knife-Blade
  
• Operation Type: Time-Delay
  
• Indication Type: Non-Indicating
  
• Dimensions:
  • Height: 5.88 in.
  • Width: 1.03 in.
  • Depth: 1.03 in.

Material Compliance and Certifications

• Engineered for Demanding Applications: The TR90R fuse is engineered for use in demanding electrical protection applications where reliable current-limiting performance is required.
• System Compatibility: Designed for compatibility with properly rated Class R fuse holders and equipment, it supports safe operation in commercial and industrial electrical systems when installed according to applicable electrical codes and manufacturer guidelines.
  

Where It Works Best

• The TR90R fuse is commonly used in industrial facilities, commercial buildings, motor circuits, HVAC equipment, control panels, and electrical distribution systems where dependable overload and short-circuit protection is critical. Its time-delay characteristics make it especially effective in applications with temporary inrush currents, such as motors, compressors, and heavy-duty electrical equipment.