A87L-0001-0015 ¦ BMU 20M
Fanuc A87L-0001-0015 bubble memory unit for sale. This BMU memory is installed on system 6 controls. This bubble is (64-1) 20 meter with a memory capacity of 8KB. The board is ready to replace your defective part and comes with a 12 month warranty.
20M of bubble memory is non volatile data storage device deveipled in the late 1960’s. Its shockproof and can retain data without power. Fanuc used BMU’s across system 6, 11 and 15 controls. This 8K was found on the first release system 6 model A control.
At CNC we only supply BMU cards on a surplus basis nowadays. Any BMU we don’t have in stock we have more modern replacement memory options upto 2MB.



