TR1R - 1 Amp Fuse

TR1R - 1 Amp Fuse

The Mersen TR1R is a 1 amp, Class RK5 time-delay fuse from the Tri-Onic® TR-R series, designed to provide current-limiting overcurrent protection in compatible industrial and commercial electrical equipment. Rated for 250VAC and 250VDC, this compact ferrule-style fuse combines a time-delay operating characteristic with a 200kA AC interrupting rating. Whether you're maintaining existing equipment or replacing a fuse in a circuit that requires 1-amp Class RK5 protection, the TR1R offers clear electrical ratings, physical dimensions, and connection characteristics to help you identify the right component.

Key Features and Benefits

• 1-Amp Current Rating
• Class RK5 Fuse Classification
• Mersen Tri-Onic® TR-R Series
• Time-Delay Operating Characteristic
• Current-Limiting Fuse Design
• 250VAC Voltage Rating
• 250VDC Voltage Rating
• Temporary Starting Current Tolerance
• Transformer Inrush Current Tolerance
• Ferrule-Style Copper Terminals
• Clip-Mounting Configuration
• Compact Cylindrical Construction
• PolyTube Insulating Body
• AC and DC Application Ratings

Technical Specifications

• Catalog Number: TR1R
  
• Manufacturer: Mersen
  
• Brand / Product Family: Tri-Onic®
  
• Series: TR-R
  
• Product Description: Fuse TR-R – Class RK5 – Time-Delay – 250VAC – 250VDC – 1A – Ferrule – Tri-Onic®
  
• Product Type: Current-Limiting Time-Delay Fuse
  
• Fuse Class: Class RK5
  
• Ampere Rating: 1 Amp (1A)
  
• Rated AC Voltage (UL): 250VAC
  
• Rated DC Voltage (UL): 250VDC
  
• AC/DC Compatibility: AC and DC, within applicable ratings
  
• Frequency: 50/60 Hz
  
• Operating Characteristic: Time Delay
  
• AC Interrupting Rating / Breaking Capacity (I1): 200kA (200,000 Amperes)
  
• DC Interrupting Rating: Not specified in the supplied manufacturer data
  
• Mounting Type: Clip
  
• Connection / Terminal Type: Ferrule
  
• Connection / Terminal Material: Copper
  
• Body / Insulating Material: PolyTube
  
• Product Diameter: 14.3 mm (approximately 0.56 inches)
  
• Product Length: 50.8 mm (2.00 inches)
  
• Individual Product Weight: 0.0168 kg (approximately 0.037 lbs.)
  
• RoHS Compliant: Yes
  
• Product Group: Low Voltage UL/CSA Fuses
  
• EAN/UPC Code: 782001747589
  

Material Compliance and Certifications

The Mersen TR1R Class RK5 fuse features specified electrical characteristics, copper ferrule terminals, and a PolyTube insulating body.

• RoHS Compliance
• UL AC Voltage Rating
• UL DC Voltage Rating

Where It Works Best

• Low-Current Industrial Circuits
• Commercial Electrical Equipment
• Compatible Motor-Related Circuits
• Compatible Transformer-Related Circuits
• Industrial Control Equipment
• Electrical Distribution Equipment Requiring 1A Protection
• Compatible Service Entrance Equipment Circuits
• Compact Ferrule Fuse Installations
• Clip-Mounted Fuse Applications
• Existing Tri-Onic® TR-R Fuse Applications
• Electrical Maintenance and Repair
• Equipment Requiring Time-Delay Fuse Protection
• Form, Fit, and Functional Fuse Replacement