FLNR090-ID - 90Amp Fuse

FLNR090-ID - 90Amp Fuse

When your circuit must handle normal startup current without sacrificing reliable overcurrent protection, the FLNR090-ID 90A fuse is built for the job. This Class RK5 time-delay fuse is rated for 90 amps at 250 VAC and provides a 200 kA interrupting rating at 250 VAC. Its time-delay action is particularly useful around equipment that experiences a short burst of higher current during startup. Instead of reacting unnecessarily to normal inrush current, the fuse is designed to tolerate those brief conditions while still providing current-limiting protection when a serious overcurrent occurs.

Key Features and Benefits

• 90-amp rating for circuits designed to use a 90A fuse.
• 250VAC rating for compatible AC electrical applications.
• Class RK5 current-limiting design provides overcurrent protection for properly matched electrical systems.
• Time-delay operation helps accommodate temporary startup and inrush currents.
• Indicating feature makes an open fuse easier to identify during inspection and troubleshooting.
• Knife-blade style fits compatible Class R fuse blocks and holders.
• A practical choice for commercial and industrial electrical equipment where both inrush tolerance and fault protection matter.
  

Technical Specifications

• Part Number: FLNR090-ID
  
• Type / Series: FLNR
  
• Fuse Class: Class RK5 / Class R
  
• Current Rating: 90A
  
• Voltage Rating: 250VAC
  
• A.I.C. / Interrupting Rating: 200 kA at 250VAC
  
• Fuse Characteristic: Time-Delay
  
• Current-Limiting: Yes
  
• Indicating: Yes
  
• Style: Knife-Blade
  
• Height: 5.88 in.
  
• Width: 1.03 in.
  
• Depth: 1.03 in.
  

Material Compliance and Certifications

Specific certification and material-compliance information was not included in the supplied specifications for the FLNR090-ID. For that reason, claims concerning UL, CSA, RoHS, REACH, lead-free status, or other regulatory and environmental standards should not be assumed. When one of these requirements is important for a particular installation or project, verify it against documentation for the exact FLNR090-ID fuse.

Where It Works Best

The FLNR090-ID 90A Class RK5 fuse is appropriate for commercial and industrial applications where electrical equipment may draw higher current for a short period during startup. That can include appropriately rated motor circuits, transformers, machinery, control equipment, feeders, and other inductive loads.

It's also a useful choice for maintenance environments where quick troubleshooting matters. The indicating design helps make an open fuse easier to locate, while the time-delay characteristic helps prevent normal startup current from being mistaken for an overload condition.