For 100A protection, Littelfuse offers KLNR100 within the KLNR Series. Published selection data centers on 250V AC / 125V DC operation and 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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Littelfuse KLNR100 is the 100A catalog variant in the KLNR Series. Its electrical envelope is 250V AC / 125V DC, paired with 200kA AC interruption. The economical single-element RK1 construction is extremely current-limiting and suited to non-inductive loads. Mechanical selection uses a Class R format with Cartridge / Clip installation and ferrule / blade (amp-dependent) termination. Published dimensions are 149.2mm overall length; 27.0mm 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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