TJN90 - 90Amp Fuse

TJN90 - 90 Amp Fuse

The TJN90 Class T fuse is built for your applications where fast, reliable circuit protection is critical. Rated at 90 amps with a 200 kA interrupting capacity at 300VAC, this fuse is designed to respond quickly to overloads and short circuits before they can damage sensitive electrical equipment. Its very fast-acting, current-limiting performance helps reduce stress on connected components and supports safer operation in demanding commercial and industrial environments. The knife-blade style design allows for a secure fit and dependable conductivity, while the compact body makes installation easier in tighter electrical assemblies. Whether used in power distribution equipment, control panels, or protection circuits, the TJN90 delivers dependable overcurrent protection where downtime is not an option.

Key Features and Benefits

• Very Fast-Acting Protection: Very fast-acting Class T fuse for rapid fault response.
• 90 Amp Rating: 90 amp rating for commercial and industrial electrical systems.
• High Interrupting Capacity: 200 kA interrupting capacity at 300VAC.
• Current-Limiting Design: Current-limiting design helps reduce equipment damage during fault conditions.
• Knife-Blade Construction: Knife-blade style construction for secure installation and strong electrical contact.
• Compact Size: Compact size works well in space-conscious applications.
• Non-Indicating Design: Non-indicating design for straightforward replacement and maintenance.
• Equipment Protection: Helps protect sensitive electrical and power distribution equipment.
  

Technical Specifications

• Part Number: TJN90
  
• Type: TJN
  
• Fuse Class: Class T
  
• Amperage: 90A
  
• Voltage Rating: 300VAC
  
• A.I.C. Rating: 200 kA @ 300VAC
  
• Fuse Speed: Very Fast-Acting
  
• Style: Knife-Blade
  
• Indication: Non-Indicating
  
• Current Limiting: Yes
  
• Dimensions:
  • Height: 2.156 in.
  • Width: 0.812 in.
  • Depth: 0.812 in.

Material Compliance and Certifications

• Industry Applications: The TJN90 fuse is manufactured for use in electrical systems that require dependable overcurrent protection and high interrupting performance. Its Class T design is commonly used in commercial and industrial applications where current limitation and fast fault clearing are important for equipment protection and system reliability.
  

Where It Works Best

• The TJN90 is commonly used in industrial control panels, switchboards, UPS systems, motor circuits, and other power distribution equipment that requires fast-acting overcurrent protection. It is especially useful in systems with sensitive electrical components where minimizing fault energy can help reduce damage and maintenance costs.