KLSR350 provides the 350A rating point in the Littelfuse KLSR Series. This variant combines 600V AC / 300V DC operation with published 200kA AC interruption. The economical single-element RK1 construction is extremely current-limiting and suited to non-inductive loads. Use the linked Littelfuse datasheet to confirm coordination, approvals and installation details.
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The Littelfuse KLSR Series identifies KLSR350 as its 350A option. Littelfuse specifies 600V AC / 300V DC; the listed breaking capability is 200kA AC. The economical single-element RK1 construction is extremely current-limiting and suited to non-inductive loads. For installation, the listed format is Class R; mounting is Cartridge / Clip, with ferrule / blade (amp-dependent) terminals. Published dimensions are 295.3mm overall length; 65.9mm max body diameter. Typical applications include Resistance Heaters, Lighting, Non-Inductive Loads, General Purpose. Check the official Littelfuse datasheet before final coordination.
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