4747 - Limit switch

The Type 4747 explosion-proof inductive or mechanical contact limit switch for pneumatic control valves are designed to work in all general industrial applications. The limit switch will work on linear control valves via IEC NAMUR and direct (Type 3277 actuator) attachment methods, as well as on rotary valves according to VDI/VDE 3845.

• Operation: Linear or rotary actuators
• Switching: Inductive or mechanical
• Contacts: Two (inductive or microswitches)
• Permissible ambient temperature: –40 to +80 °C
• Explosion protection: without, Ex ia, Ex d, Ex nA
• Options: stainless steel version