| Product Name | Image | keying | Amount of available poles | mounting type | | ST Switch |  | keyed disconnect pins | 10, 14
| semi-flush |
| LTS |  | Every module is keyed individually. | 8, 10, 12, 14, 16, 18, 20
| semi-flush |
| FTL |  | keyed disconnect pins | 8, 10, 12, 14, 16, 18, 20
| semi-flush |
| DOC |  | keyed disconnect pins | 10
| |
| ITS / STP |  | Every module is keyed individually. | 7 to 20
| flush |
| FTS / FTP |  | Every module is keyed individually. | 8, 10, 12, 14, 16, 18, 20
| semi-flush |
| LTB / LTP |  | Every module is keyed individually. | 8,10,12,14,16,18,20
| semi-flush |
| SAX / PAX |  | Every module is keyed individually. | 4 to 20
| 35mm DIN-rail or directly on mounting plate |
Test Interfaces for Power Systems 