Siemens 3RT2024-1AM20 3 Pole AC Contactor With Auxiliary Contacts

Siemens 3RT2024-1AM20 is a Sirius three-pole power contactor designed for AC-3e/AC-3 duty, capable of switching up to 12 A in the main circuit and handling motors up to 5.5 kW at 400 V. It uses a 208 V AC coil (50/60 Hz) for reliable remote operation, and includes a single auxiliary contact block with 1 normally open and 1 normally closed contact. The unit features screw-terminals and a compact S0 frame size, making wiring straightforward in control panels. Suitable for 3‑phase motor control in conveyors, pumps, fans, and similar equipment, the main contacts support mains voltages up to 690 V. The 3RT2024-1AM20 designation conveys the 3-pole configuration, 12 A main current rating, 5.5 kW at 400 V capability, and a 208 V AC coil with an auxiliary NO/NC contact.