A06B-0313-B503 Fanuc AC Model 0S Servo Motor. On the name plate for this A06B-0313-B503 motor are: 2.9Nm TRQ, 4.2 Amp, 3 phase 91V, 2000RPM motor, straight shaft with key, with normal Fanuc seals or special waterproof seals and any combination off. This A06B-0313-B503 motor from the Fanuc 0S Series AC motor range is fitted with a 3000 RPM incremental pulse coder which is available either as exchange, outright surplus, repair, and testing services.- other Fanuc S Series Servo Motors - Other Model 0S motors.