Watlow DC21-48S0-H000 DIN-A-MITE Solid State Power Controller

The Watlow DC21-48S0-H000 DIN-A-MITE® Solid State Power Controller is a DIN-rail mounted SCR solid-state power controller used to regulate electrical power supplied to heaters, ovens, furnaces and other thermal processing equipment in industrial power-control systems. It switches up to 65 A at 480 VAC, with a control voltage of 100 to 240 VAC at 50/60 Hz and supports 3-phase configurations, making it suitable for plastics processing, environmental chambers, industrial ovens, heat-treat furnaces, and other process heating applications. Designed for replacement, upgrades and automation projects, it is commonly used by maintenance teams, OEMs and system integrators to replace failed SCR units or implement precise heater power modulation with a long service life and no mechanical wear. The DC21-48S0-H000 belongs to Watlow's DIN-A-MITE C series, features DIN rail mounting, configuration code H000, and compatible replacements such as DC21-48F0-H000, DC21-48K0-H000 and DC20-48S0-H000.