Schaltbau Eddicy R300 high-voltage relay The high-voltage relay is compact and capable of switching currents up to 25 A. October 29, 2025 The relay is built to withstand voltages up to 10k V. Read More
Hydronics Workshop | John Siegenthaler Relays and switches — part two Building the brains for custom hydronics systems. John Siegenthaler, P.E. August 1, 2023 Last month, we covered the basics of classifying switches and relays based on poles and throws. Once you learn these, it’s easy to apply switches and relays to create “hard-wired” control logic - part two.Read More
Column | John Siegenthaler John Siegenthaler: Relays and switches — part one The basics. John Siegenthaler, P.E. July 3, 2023 The basics of relays and switches - part one.Read More