| General |
| Number of contacts as change-over contact | 0 |
| Number of contacts as normally open contact | 1 |
| Number of contacts as normally closed contact | 1 |
| Number of fault-signal switches | 0 |
| Type of electric connection | Screw connection |
| Model | Top mounting |
| Mounting method | Side mounting |
| Lamp holder | None |
The CAL18 auxiliary contact blocks are used for switching auxiliary circuits and control circuits in standard industrial environments .
CAL18-11B is a 2-pole block, with 1 NO + 1 NC instantaneous contact for additional attachment to a first CAL18-11 block