TRS125R - 125 Amp Fuse

TRS125R - 125 Amp Fuse

The TRS125R is a 125-amp Class R fuse designed to protect electrical systems with higher fault currents. It’s rated at 200 kA at 600 VAC, so it can withstand serious short-circuit conditions without allowing that energy to pass through to your equipment. This is a time-delay fuse, which matters if you’re running motors or anything with a startup surge. Instead of blowing right away, it gives those brief inrush currents a chance to pass. That helps reduce nuisance replacements and keeps things running. It’s also current-limiting, so when there is a fault, it reduces the amount of energy that gets through. That can help protect downstream components and limit damage. The knife-blade style makes for a solid connection in the right fuse holder. No extras here—it’s a non-indicating fuse, simple and reliable. If you need a fuse that does its job and holds up in harsher conditions, this one fits the bill.

Key Features and Benefits

• Time-delay design helps avoid blowing during startup
• Current-limiting to reduce damage during faults
• 200 kA interrupting rating at 600VAC
• Knife-blade connection for a secure fit
• Non-indicating, straightforward design
• Good for higher-demand electrical systems

Technical Specifications

• Part Number: TRS125R
  
• Amperage: 125A
  
• Voltage Rating: 600VAC
  
• Interrupting Rating: 200 kA
  
• Class: R
  
• Type: TRS
  
• Style: Knife-Blade
  
• Function: Time-Delay, Current-Limiting
  
• Indication: Non-Indicating
  
• Dimensions:
  • Height: 9.63 in
  • Width: 1.79 in
  • Depth: 1.79 in
• Ship Weight: Not Available
  

Material Compliance and Certifications

Built to meet standard requirements for Class R fuses used in commercial and industrial electrical systems. Always double-check specs against your equipment and local code.

Where It Works Best

• Motor circuits
• Transformers
• Control panels
• HVAC equipment
• General power distribution