Littelfuse FLNR-045ID - Class R Time-Delay Fuse 45A 250V (200kA Interrupting Rating)

The Littelfuse FLNR-045ID is a current-limiting fuse designed to provide reliable overcurrent protection in industrial electrical systems. This fuse features a 250V AC voltage rating and a 45A current rating, engineered to safely interrupt fault currents. Constructed with a durable ceramic body and time-delay characteristics, it offers stable performance with a weight of 0.8 lb. The FLNR-045ID complies with UL/CSA standards for Class R rejection fuse applications. Typical applications include motor branch circuits, industrial control panels, and power distribution equipment where coordinated protection is required.

Key Features & Specifications

• Type: Class R current-limiting time-delay fuse with ceramic body and rejection feature
• Voltage Rating: 250V AC
• Current Rating: 45A
• Dimensions: Standard Class R fuse dimensions
• Standards: UL/CSA Listed, Class R rejection
• Applications: Motor branch circuits, industrial control panels, power distribution systems
• Fuse Class: Class RK5
• Interrupting Rating: 200kA AC
• Weight: 0.8 lb
• Mounting: Fuse clip or block mounting
• Standards: UL 248-5, CSA C22.2 No. 248.5