Siemens Simatic S7-300, Front door increases for 32-channelProduct Overview SIMATIC S7 300 Front Door Increases for 32 Channel SM Prepared for the Connection from 1. 3 mm 16 AWG Conductors This raised front door accessory is specifically designed for SIMATIC S7 300 32 channel signal modules, providing additional clearance space to accommodate larger wire sizes up to 1. 3 mm 16 AWG. The extended design enables secure connection of thicker conductors while maintaining proper cable management and professional