Chromalox SRR-501 Solid State Relay

Chromalox SSR-501 solid-state relay (PCN 305752) is a single‑phase power controller rated for 50 A and capable of switching loads up to 600 VAC, making it suitable for high‑current heating and other resistive applications in industrial equipment. It supports two input control ranges used across the Chromalox SSR family: 4.5–32 VDC or 24–265 VAC / 24–190 VDC, enabling compatibility with different control circuits. Built with features that help reliability in demanding environments, the SSR-501 includes zero‑voltage turn‑on, a visible LED status indicator, an IP20 clip‑on cover for protection, and dv/dt protection, with CE, UL and CSA approvals. This model is commonly applied in furnaces, ovens, heat‑treating equipment, plastics processing, food heating, and drying systems where precise, quiet switching of a heating or other resistive load is needed without mechanical wear.