IP65 Keylock Switch, NC/NO, 5 A 2-Way Standard-Key

The compact 16mm Series 51 is particularly suited for applications in the areas:
Flush design
Raised design
PCB (with adaptor)
The low level switching element is laid out for low current applications.
The EAO Series 51 is especially suited for applications in the segments:
Machinery and Automation
Panel building