TRS50R - 50 Amp Fuse

TRS50R - 50 Amp Fuse

The Tri-Onic TRS50R 50 Amp Fuse delivers dependable overcurrent protection for demanding electrical systems. Built to manage the startup surges of motors and transformers, this Class RK5 time-delay fuse minimizes unnecessary downtime while keeping your equipment safe from overloads and short circuits. Whether installed in service entrance equipment, feeders, or branch circuits, the TRS50R ensures consistent performance, enhanced safety, and long service life—making it a trusted choice for commercial and industrial applications.

Key Features and Benefits

• Class RK5 Design: Engineered for precise overcurrent protection in motors, transformers, and power distribution systems.
• Time-Delay Performance: Handles harmless inrush currents during equipment startup without nuisance tripping.
• Current-Limiting Functionality: Reduces peak fault current to protect connected equipment from severe electrical stress.
• High Interrupting Capacity: Rated at 200 kA AC for safe operation even in high fault conditions.
• Copper Ferrule Terminals: Provides strong conductivity and secure connections for easy installation.
• Durable PolyTube Housing: Offers reliable insulation and protection in demanding industrial environments.
  

Technical Specifications

• Ampere Rating: 50A
  
• Voltage Rating (AC): 600V UL
  
• Voltage Rating (DC): 300V UL
  
• Frequency: 50/60 Hz
  
• Fuse Class: RK5
  
• Characteristic: Time Delay
  
• Mounting Type: Clip
  
• AC Interrupting Rating: 200 kA
  
• Terminal Type: Copper Ferrule
  
• Body Dimensions: 27 mm diameter × 139.7 mm length
  
• Weight: 0.1447 kg (individual fuse)
  
• Material: PolyTube insulating body
  
• Package Quantity: 10 fuses per pack
  

Material Compliance and Certifications

• UL Listed: Meets UL 248-12 standards for overcurrent protection.
• CSA Certified: Complies with Canadian safety standards.
• RoHS Compliant: Environmentally safe—free from lead, cadmium, and mercury.
  

Where It Works Best

• The TRS50R fuse is ideal for low-voltage electrical systems where controlled time-delay protection is critical. It performs exceptionally well in motor control centers, transformer circuits, feeders, and branch circuits subject to frequent startups or inrush surges. Designed for both commercial and industrial settings, it provides reliable, cost-effective protection for equipment that demands both safety and steady power continuity.