The Siemens 3RK1903-1BB00 is a robust power controller designed to enhance the performance and safety of motor starter applications. This component is engineered to operate within a voltage range of 20.4 to 28.8 V dc, ensuring compatibility with a variety of industrial power systems. With an IP20 protection class, it is suitable for use in controlled environments where direct contact with the unit is not a concern.
This power controller is notable for its ability to contribute to systems that require a high level of safety, supporting configurations up to safety category 4 according to EN 954-1 standards. It is an ideal choice for applications that involve automatic start protection doors, providing reliable service with an electrical endurance of typically 200,000 switching cycles and a mechanical service life of approximately 10 million cycles.
The compact dimensions of the Siemens 3RK1903-1BB00, with a width of 30 mm, a height of 196.5 mm, and a depth of 117.5 mm, allow for efficient use of space within electrical cabinets. Its design facilitates easy installation and integration into existing setups, making it a versatile solution for a wide range of industrial automation tasks.
In summary, the Siemens 3RK1903-1BB00 is a dependable and safety-oriented power controller that offers both longevity and reliability for motor starter modules, making it a valuable component in the realm of industrial automation.