Fanuc Input Unit A14B-0061-B103
Fanuc Input Unit A14B-0061-B103
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Used in Fanuc System 6, 6M, and 6T CNC control systems, the A14B-0061-B103 is a Fanuc Input Power Unit (I/P Unit) manufactured by Fanuc Ltd in Japan. This assembly serves as the relay input stage for the main power supply on compatible Fanuc 6-series CNC controllers, commonly found on CNC lathes, machining centers, and EDM equipment produced during the 1980s. The unit operates on 200V or 220V at 50/60Hz, as indicated by the terminal block label visible on the assembly. Internal PCB is marked A20B-0007-0340/06A (revision 06A). A secondary label on the assembly reads INPUT UNIT A14B-0061-B103. Terminal designations visible on the unit include R, S, EMG, OUT1, OUT2, 200A1, 200B1, 200A2, and 200B2. The assembly incorporates two fuse holders with Fanuc-compatible fuses (Fuji Electric type 32-424, rated 250V 10A AC/DC), two relay contactors, an internal transformer rated 25V 0.14A (A80L-0001-0172, 200V), and a green PCB mounted to a steel chassis with DIN-style mounting brackets. Wire connections are fitted with labeled crimp terminals. Compatible with Fanuc controls requiring this specific input unit configuration for Fanuc 3 and 6 series CNC systems.
Stock # 0226-726
