TRS50R - 50 Amp Fuse

TRS50R - 50 Amp Fuse

The TRS50R 50 amp Class R fuse is the kind of component you don’t think about—until it saves your equipment from a serious fault. Built as a time-delay, current-limiting fuse, it’s designed to handle the everyday realities of electrical systems. Motors kick on, compressors surge, transformers draw heavy inrush—this fuse is made to ride through those moments without opening unnecessarily. But when there’s a real problem, it reacts fast and limits the damage. With a 200 kA interrupting rating at 600VAC, it’s more than capable in high-fault environments. That’s why you’ll commonly find it protecting equipment where failure isn’t just inconvenient—it’s expensive. Physically, it’s straightforward. Cartridge-style, compact, easy to swap out. No extras, no complications—just reliable protection that does its job in the background.

Key Features and Benefits

• Rated for 50 amps: suitable for many commercial and industrial circuits
• Time-delay action: helps prevent nuisance trips during equipment startup
• 200 kA interrupting capacity: handles high fault currents with confidence
• Current-limiting design: helps reduce potential equipment damage
• Class R rejection feature: helps avoid incorrect fuse replacement
• Compact cartridge form: fits easily into standard fuse holders
• Non-indicating: simple, no moving parts or indicators to worry about

Technical Specifications

• Part Number: TRS50R
• Amperage: 50A
• Voltage Rating: 600 VAC
• Interrupting Rating: 200 kA
• Class: Class R
• Type: Time-Delay, Current-Limiting Fuse
• Design: Cartridge, Non-Indicating
• Frame Type: TRS
• Dimensions:
  • Height: 5.5 in
  • Width: 1.06 in
  • Depth: 1.06 in
• Poles: Not specified
• Ship Weight: Not specified

Material Compliance and Certifications

• Industry Standards: This fuse falls under the Class R category, commonly used in North American electrical systems for its current-limiting performance and built-in rejection feature. These fuses are manufactured to meet recognized industry safety standards for overcurrent protection. As always, final compliance depends on your specific installation and local code requirements.

Where It Works Best

• This is a practical, everyday solution in setups like: Motor protection circuits HVAC units and compressors Industrial equipment and machinery Transformer protection Commercial distribution panels If your system sees regular startup surges but still needs dependable fault protection, this fuse does exactly what it’s supposed to—nothing flashy, just solid performance when it matters.