Littelfuse FLSR125ID - RK5 Time-Delay Fuse 125A 600V (200kA AIC)

Littelfuse FLSR125ID is a UL Class RK5 dual-element time-delay fuse designed for circuit protection in industrial applications, featuring visual indication for blown fuse detection. Rated for 600V AC/DC systems with a 125A current capacity, it provides 200kA interrupting capacity for high-fault scenarios. The fuse measures 1.84" in diameter with a single-barrel construction and weighs 1.4 lb, meeting UL Standard 248-12 and CSA certifications. Compliant with North American safety standards, this Mexico-manufactured component is engineered for motor branch circuits, transformer protection, and other demanding industrial environments where time-delay characteristics are required.

Key Features & Specifications

• Type: FLSR_ID Series - UL Class RK5 Dual-Element Time-Delay Fuse with Indication
• Voltage Rating: 600V AC/DC
• Current Rating: 125A
• Dimensions: 1.84" diameter
• Standards: UL 248-12 Listed / CSA Certified
• Applications: Motor circuits, transformer protection, industrial equipment
• Class Rating: RK5
• Barrels: 1
• AIC rating: 200kA@600V
• Weight: 1.4 lb

Product Identification

• UPC: 079458025521
• GTIN: 00079458025521