The Siemens 3RF3380-3AA02 is a 1-pole solid-state contactor from the SIRIUS 3RF33 family, rated for 80 A in AC-1 duty at 40 °C. AC-1 covers resistive loads — heaters, ovens, lighting — where inrush current is minimal. That 80 A figure is the continuous current the semiconductor can carry without needing a heatsink derating, so it directly governs the load you can switch continuously in a panel.
Control voltage and wiring
The control circuit accepts 24-230 V AC or 24 V DC, giving flexibility across control voltages common in industrial panels. Termination is via ring cable lugs — expect to land ring terminals on the power studs rather than spring-cage or screw-clamp blocks. That matters for panel wiring: you need the right lug size and a torque driver for the studs, not a screwdriver for a terminal cage.
Group and product codes for cross-referencing
Group Code R711 and Product Group 3725 are internal Siemens classifications for logistics and catalog sorting. They don't change the electrical fit but can help when searching across Siemens documentation or legacy BOMs.