Littelfuse FLSR-040ID - RK5 Time-Delay Fuse 40A 600V (200kA AIC)

Littelfuse FLSR-040ID is a time-delay fuse designed for providing reliable circuit protection in industrial power distribution systems. This 40A rated fuse operates at 600V AC/DC and features a high interrupting rating of 200kA at 600V for superior fault current protection. Constructed with a single-barrel design and ferrule connections, the fuse measures 1.06 inches in diameter and carries an RK5 class rating for time-delay characteristics. The device meets industry standards for low-voltage fusing applications and is commonly deployed in motor branch circuits, transformers, and feeder circuits where sustained overload protection is required.

Key Features & Specifications

• Type: FLSR_ID time-delay fuse, single barrel construction with ferrule connections
• Voltage Rating: 600V AC/DC
• Current Rating: 40A
• Dimensions: 1.06" diameter
• Standards: RK5 class rated
• Applications: Industrial power distribution, motor circuits, transformers, feeder protection
• AIC rating: 200kA@600V
• Connection: Ferrule
• Barrels: 1
• Class Rating: RK5
• Weight: 5.19 lb

Product Identification

• UPC: 07945802542
• GTIN: 00079458025422