Stack of five switchbank controller card with 40 total channels.
| Bill Of Materials | Qty | Unit | Notes |
| CCA switchbank controller | 1 | ea | |
| labor assembly/fabrication (min) | 5 | min | |
| screw 4-40 x 1-9/16 PH SS | 4 | ea | |
| switchbank stack +8ch | 4 | ea | |
| switchbank stack base | 1 | ea | |
| switchbank stack 40 channel | 1 | ea |
| Used on | Qty |