The SIEMENS 3RK1908-0AP00-0AP0 is a base unit (BU30-MS1) designed for the ET 200SP motor starter, providing a compact platform for motor control with 24 V infeed and 500 V capability and including the infeed bus cover. It organizes power distribution and connections for the motor starter, simplifies installation within the ET 200SP lineup, and protects the infeed bus with the supplied cover. Use it to streamline wiring, maintain clear access to terminals, and ensure a tidy, serviceable starter assembly for industrial control cabinets and machinery. Suitable for installations that require combined 24 V control and higher-voltage motor supply.
