DP, ASIC ASPC2 STEP E2 lead-free for PROFIBUS-DP, master, max. 12 MBit/s 660 pieces/tray box DP, ASIC ASPC2 STEP E2 lead-free for PROFIBUS-DP, master, max. 12 MBit/s 660 pieces/tray box PROFIBUS-DP ASIC ASPC2 STEP E2 PU 660