Cooper Bussmann KTS-S-125 - RK1 Class Fuse 125A@600V (200kA AIC)

Cooper Bussmann KTS-S-125 is a low-voltage current-limiting fuse designed for circuit protection in industrial power distribution systems. This RK1-class LIMITRON fuse features a 600V AC rating and 125A current capacity, with a 200kA interrupting rating at 600V for high-fault protection. The compact 1.5" diameter unit employs a single-barrel knife blade connection design with durable construction meeting UL/CSA standards. Its current-limiting technology provides fast-acting protection against short circuits and overloads in motor control centers, switchgear, and panelboards.

Key Features & Specifications

• Type: Current-limiting fuse (KTS series), RK1 class, single-element design
• Voltage Rating: 600V AC
• Current Rating: 125A
• Dimensions: 1.5" diameter
• Standards: UL 248-12, CSA C22.2 No. 248.12
• Applications: Industrial power distribution, motor branch circuits, switchgear
• AIC rating: 200kA@600V
• Connection: Knife blade
• Barrels: 1
• Class Rating: RK1
• Weight: 1 lb