TRS45R - 45 Amp Fuse

TRS45R - 45 Amp Fuse

The TRS45R 45 Amp Fuse from Tri-Onic is a high-efficiency, current-limiting fuse designed to deliver dependable overcurrent protection for motors, transformers, service entrance equipment, feeders, and branch circuits. Engineered with precision to handle modern electrical demands, it provides steady, time-delay performance that accommodates motor startups and heavy inrush currents—ensuring equipment protection without unnecessary interruptions. Its durable PolyTube body and copper terminals enhance conductivity, insulation, and long-term reliability, making it a trusted choice for demanding commercial and industrial environments.

Key Features and Benefits

• Current-Limiting Protection: Reduces the impact of short circuits by controlling fault currents, preventing severe damage to electrical components.
• Time-Delay Design: Handles temporary overloads and inrush currents from motor and transformer startups without nuisance tripping.
• Versatile Application: Works in both AC and DC circuits for broad electrical system compatibility.
• Durable Construction: The PolyTube insulation and copper terminals ensure reliable performance and resistance to heat and wear over extended use.
• Enhanced System Safety: Supports high interrupting ratings to protect against dangerous fault conditions.

Technical Specifications

• Ampere Rating: 45A
  
• Rated Voltage (AC): 600V UL
  
• Rated Voltage (DC): 300V UL
  
• Frequency: 50/60 Hz
  
• Speed/Characteristic: Time Delay
  
• Connection Type: Ferrule
  
• Mounting Type: Clip
  
• Body/Insulating Material: PolyTube
  
• Terminal Material: Copper
  
• Fuse Diameter: 27mm
  
• Fuse Length: 139.7mm
  
• Max Interrupting Rating (AC): 200 kA
  
• Product Weight: 0.1447 kg
  
• Package Quantity: 10 per pack
  

Material Compliance and Certifications

• UL Listed: Verified to meet rigorous U.S. safety and performance standards.
• CSA Certified: Approved for use in industrial and commercial systems across North America.
• Quality Assured: Manufactured under Tri-Onic’s strict quality control for dependable, consistent operation.

Where It Works Best

• The TRS45R fuse is ideal for protecting high-performance motors, heavy-duty transformers, and industrial electrical panels that demand reliable overcurrent protection. Commonly used in manufacturing facilities, commercial buildings, and power distribution systems, it ensures safe and efficient operation by preventing costly downtime and equipment damage.