FLNR020-ID - 20 Amp Fuse

FLNR020-ID - 20 Amp Fuse

When your circuit needs dependable overcurrent protection but also has to deal with normal startup surges, the FLNR020-ID 20 Amp Class R fuse is built for the job. This cartridge-style fuse is rated for 20 amps at 250 VAC and provides a 200 kA interrupting rating at 250 VAC. Its time-delay design is particularly useful in circuits where motors, transformers, and similar equipment can draw a brief current surge when starting. Instead of reacting to every momentary inrush, the fuse allows for these normal operating conditions while remaining ready to respond to sustained overloads and short circuits.

Key Features and Benefits

• 20A, 250 VAC rating for compatible commercial and industrial electrical applications.
• Time-delay performance accommodates brief inrush currents that can occur during normal equipment startup.
• Current-limiting Class R design helps limit fault-current energy when the fuse operates.
• The built-in indication helps maintenance personnel spot an open fuse more quickly.
• Cartridge-style construction is suitable for equipment designed for this type and class of fuse.
• At just 2.0 x 0.56 x 0.56 inches, its compact dimensions make it easy to check physical replacement requirements.
  

Technical Specifications

• Part Number: FLNR020-ID
  
• Type: FLNR
  
• Fuse Class: Class R
  
• Style: Cartridge
  
• Amperage: 20 A
  
• Voltage: 250 VAC
  
• A.I.C. / Interrupting Rating: 200 kA at 250 VAC
  
• Time Delay: Yes
  
• Current Limiting: Yes
  
• Indicating: Yes
  
• Height: 2.0 in.
  
• Width: 0.56 in.
  
• Depth: 0.56 in.
  

Material Compliance and Certifications

The FLNR020-ID is specified as a Class R, current-limiting fuse with a 200 kA interrupting rating at 250 VAC. No additional agency certifications, environmental declarations, or material compliance information was included in the supplied specifications. Where a project requires specific certifications or compliance documentation, those requirements should be confirmed for the exact part number before installation.

Where It Works Best

The FLNR020-ID is suitable for commercial and industrial electrical systems that require a 20-amp, 250V Class R time-delay fuse. Its time-delay characteristics are especially useful around equipment that can produce temporary startup currents, including appropriately rated motors, transformers, machinery, control equipment, and electrical distribution applications.

It can also be a practical choice for maintenance environments where downtime matters. The indicating function helps take some of the guesswork out of finding an open fuse. At the same time, the time-delay characteristic helps prevent unnecessary fuse operation from normal, short-lived current surges.