BACO control and signalling devices for 22.5 mm panel mounting holes. Choose an illuminated or non-illuminated operator, then select the appropriate mounting adapter and contact components.

Product selection
- Illuminated operators
- Non-illuminated operators
- Contact elements and mounting adapters
- Contact-block assemblies
Selection criteria
Check the panel cut-out, head style, momentary or maintained action, number of positions, and required normally open (NO) and normally closed (NC) contacts. For illuminated devices, also specify the light source and supply voltage. Connection method and degree of protection depend on the selected components.
For additional accessories, contact Appel with the complete device designation.
Contact Appel with the type designation and application details for product selection.