Siemens Front connector for signal modules, 48-poleProduct Overview The SIMATIC S7 400 front connector for signal modules with screw contacts, 48 pole is designed to facilitate user friendly connection of sensors and actuators to signal modules. This connector simplifies maintenance and module replacement by eliminating the need to rewire individual connections during system updates. Key Features Reliable Screw Type Connections: Features 48 pole screw type contacts that ensure secure and stable