For a 80A option in the KLSR Series, Littelfuse specifies KLSR080. Electrical coordination uses the 600V AC / 300V DC rating and the stated 200kA AC interrupting level. 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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Within Littelfuse’s KLSR Series, KLSR080 covers the 80A rating point. Its manufacturer ratings call out 600V AC / 300V DC service and 200kA AC breaking capacity. 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 200.0mm overall length; 33.3mm 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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