Siemens 6BK1700-2AA80-0AA0 SIPLUS HCS716I SUBRACK - VERSION MOUNTING FRAME - FOR INTEGRATION OF MAX. 4 POWER MODULES LA716, LA716I AND LA716I HP. EACH L-MODULE IS CONNECTED VIA DIRECT CONNECTOR ON A BUS BOARD, WHICH IS MOUNTED ON THE REAR OF THE SUBRACK.