The Siemens 3RT1023-1BB40 is a robust power contactor designed for reliable and efficient performance in a variety of industrial applications. This 3-pole contactor, with a rating of AC-3 9 A, 4 kW / 400 V 24 V DC, is part of the renowned SIRIUS product line. It features a screw terminal for secure connections and is designed for upright mounting, making it a versatile choice for diverse installation requirements. With an impressive mechanical service life of up to 10 million switching cycles, this power contactor ensures long-lasting durability. It operates efficiently in a wide range of ambient temperatures, from -25 to +60 degrees Celsius, and can be installed at altitudes up to 2,000 metres above sea level. The Siemens 3RT1023-1BB40 power contactor is a reliable choice for your automation needs, offering the quality and performance you expect from Siemens.