6EP5301-5BC50 SIEMENS ⍾ 6EP53015BC50

Front connector module with 4x16 pole IDC connector for digital 32 I/O modules of the S7-1500 Potential supply over Screw terminals

Front connector module with 4x16 pole IDC connector for analog 40 pole I/O modules of the S7-1500 Potential supply over Infeed element

Front connector module with flat ribbon Cable connection for digital 32 I/O modules of the S7-300, Power supply over Spring terminals