Siemens 3RT20171BM42

Siemens 3RT20171BM42 is a globally recognized industrial contactor designed for reliable motor control and power switching in automation systems. Distributed internationally, this device is engineered to handle demanding electrical loads with precision and durability.

Key Technical Features and Applications of 3RT20171BM42

• Compact three-pole design enables secure and efficient switching of three-phase motors in constrained panel spaces
• Rated to manage high inrush currents, ensuring dependable motor starting and operation under fluctuating load conditions
• Robust coil control permits integration with diverse control voltages, facilitating flexible implementation in varied automation setups
• Enhanced thermal endurance supports continuous operation in environments with elevated ambient temperatures
• Modular configuration allows for seamless assembly with auxiliary contacts and overload relays for comprehensive motor protection

Typical applications include automation circuits requiring frequent motor start-stop sequences and industrial processes where precise motor control is critical for system reliability.