FANUC A06B-6166-H201 SV AMPLIFIER Beta iSV 20/20-B (FSSB INTERFACE), reference form FANUC A06B-6166-H201, ready to replace your defective part and to be installed on your CNC machine tools. Each A06B-6166-H201 has been tested on dedicated test rigs before shipment and has a 24 months warranty