Stack of four switchbank controller card with 32 total channels.
| Bill Of Materials | Qty | Unit | Total | Notes |
| CCA switchbank controller | 1 | ea | 56.68 | |
| labor assembly/fabrication (min) | 4 | min | 3.68 | |
| screw 4-40 x 1-1/4 PH SS | 4 | ea | 0.48 | |
| switchbank stack +8ch | 3 | ea | 240.45 | |
| switchbank stack base | 1 | ea | 196.81 | |
| switchbank stack 32 channel | 1 | ea | 498.10 |
| Used on | Qty |
| Control Section 12x1+5 | 1 |
| switchbank 32 channel | 1 |
| Control Section 12x1+5+6AP+RPO | 1 |