Stack of three switchbank controller card with 24 total channels.
| Bill Of Materials | Qty | Unit | Total | Notes |
| CCA switchbank controller | 1 | ea | 54.65 | |
| labor assembly/fabrication (min) | 3 | min | 2.76 | |
| screw 4-40 x 15/16 PH SS | 4 | ea | 4.96 | |
| switchbank stack +8ch | 2 | ea | 149.68 | |
| switchbank stack base | 1 | ea | 188.29 | |
| switchbank stack 24 channel | 1 | ea | 400.34 |
| Used on | Qty |
| Control Section 12X | 1 |
| Control Section LL6x1+1i+6VP+RPO | 1 |