Littelfuse LLSRK-125ID - RK1 Time-Delay Fuse 125A (300kA AIC @600V)

Littelfuse LLSRK-125ID is a time-delay, current-limiting fuse from the Powr-Gard family designed to provide superior short-circuit and overload protection in low-voltage industrial power distribution systems. It features a 125A current rating and a 600V AC voltage rating, capable of interrupting faults with a 300kA AIC rating at 600V AC. The fuse is constructed with a single-barrel design featuring a 1.84-inch diameter and utilizes clip-style connections for secure mounting. This RK1 class fuse complies with industry standards for time-delay and current-limiting performance, making it suitable for protecting motor circuits, feeders, and branch circuits where high fault currents and temporary overloads are present.

Key Features & Specifications

• Type: Time-delay, current-limiting, RK1 class fuse with single-barrel construction
• Voltage Rating: 600V AC
• Current Rating: 125A
• Dimensions: 1.84-inch diameter
• Standards: RK1 class (time-delay, current-limiting)
• Applications: Industrial power distribution, motor circuit protection, feeder and branch circuit protection
• AIC rating: 300kA @ 600V AC
• Connection: Clip
• Barrels: 1
• Class Rating: RK1
• Diameter: 1.84 inches
• Mounting: Clip connection