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What is a standard typical space heater element used in medium voltage switchgear?

The heaters vary from product to product. HVL, HVL/cc, Visi/Vac, Metalclad. They may also vary by available control voltage and with or without guards.

The standard heater at this time for Metalclad for 120V applications with guards is the Heatrex 565074. This is a 500W 240V heater which is run at 120V. The Square D part number is 46028-126-01. There are 4 heaters per vertical section.

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