The Siemens 3RT2038-1KB44 is a high-performance contactor relay designed for demanding industrial applications. This robust device is part of the SIRIUS series and is engineered to handle AC-3 operations with a rated current of 80 A and a power rating of 37 kW at 400 V. It features a 3-pole configuration and operates on a 24 V DC control voltage, making it suitable for integration with PLC outputs.
The 3RT2038-1KB44 contactor relay is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing versatile control options for various electrical circuits. The device includes a built-in varistor for surge protection, ensuring reliable performance and longevity in harsh environments.
Constructed with screw terminals, the Siemens 3RT2038-1KB44 allows for secure and straightforward installation. Its compact design, with dimensions of 114 mm in height, 55 mm in width, and 174 mm in depth, facilitates easy integration into control panels and systems. The contactor relay supports both screw and snap-on mounting onto standard 35 mm DIN rails, adhering to DIN EN 60715 standards.
This contactor relay is designed to withstand high operational demands, with a mechanical endurance of up to 10 million operating cycles. It also features a high surge voltage resistance of 6 kV for both the main and auxiliary circuits, ensuring robust protection against electrical transients.
Ideal for controlling three-phase AC motors, the Siemens 3RT2038-1KB44 offers reliable performance across a range of voltages, including 200/208 V, 220/230 V, 460/480 V, and 575/600 V. It is also compliant with various international standards, making it a versatile choice for global applications.
Overall, the Siemens 3RT2038-1KB44 contactor relay is a dependable and efficient solution for industrial control systems, providing excellent performance, durability, and ease of installation.