6Table of Contents1 Notes on these Operating Instructions .............................42 General Information ..........................................................82.1 Technology ................................................................82.2 System Description..................................................102.3 Technical data .........................................................123 Safety Regulations..........................................................163.1 Important Instructions and Explanations .................163.2 Accident Prevention Regulations ............................163.3 Qualified Personnel .................................................173.4 Safety Instructions for PROTECT 1. .......................173.5 CE certificate ...........................................................214 Set-up..............................................................................224.1 Unpacking and inspection .......................................224.2 Transport to installation site.....................................234.3 Set-Up......................................................................234.4 Overview: Connections, Operating /Display Elements.....................................................254.4.1 Front view...........................................................254.4.2 Display ...............................................................264.4.3 Rear view (connections): ...................................275 Electrical connection .......................................................295.1 Safety of personnel..................................................305.2 Mains connection (general) .....................................305.2.1 Checklist for cable connections .........................305.2.2 Connection Cross-Sections and FuseProtection ...........................................................315.3 Mains connection.....................................................325.3.1 Preparation for the three-phase mainsconnection ....................................................325.3.2 Connection of the three-phase inputmains voltage .....................................................325.3.3 Preparation of the output cabling.......................335.3.4 Connection of the loads .....................................345.4 Connection of external battery modules..................345.4.1 Connection of the battery cubiclePROTECT 1.100 BP ..........................................35