Struthers-Dunn 425BXX-120AC Electromechanical Relay

Struthers-Dunn 425BXX-120AC is a three-pole open-style power relay from the 425 Series, built for rugged industrial switching. It features an enclosed 120 VAC coil and screw terminals for straightforward wiring, with silver-alloy contacts standard for reliable conduction. This open-style relay is rated to switch up to 30 A and can handle up to 1 HP loads, with a contact voltage rating up to 600 VAC, making it suitable for motors, heaters, and other high-current loads in 50/60 Hz systems. The 425 Series emphasizes wide contact spacing and robust construction, and optional tungsten contacts are available for high-inrush applications. Used in control panels, OEM equipment, and traffic-related controls, the 425BXX-120AC variant combines a compact form factor with straightforward installation while maintaining Struthers-Dunn's legacy of dependable electromechanical relays. With its enclosed coil, open-style packaging, and screw-terminal connection, this relay is well-suited for panel mounting in industrial environments requiring reliable, high-current switching at 120 VAC coil voltage.