Siemens 6AG1961-2BA31-7AA0 SIPLUS PS PSE200U 3A Selectivity Module. Siemens 6AG1961-2BA31-7AA0 Power Supply Accessory - SIPLUS PS PSE200U 3 A based on 6EP1961-2BA31 with conformal coating, -25…+70 °C, selectivity module 4-channel input: 24 V DC output: 24 V DC/3 A per channel output current adjustable 0.5-3 with status message per channel. Input: 24 V DC, Output: 24 V DC/3 A per channel output current adjustable 0.5-3 with status message per channel.