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Rotary actuator with fail-safe function LRF for two-way and three-way Belimo ball valves. It can be used for both open/close versions and regulating versions of ball valves. The actuator includes one auxiliary switch contact.

Actuator version NO - open without voltage.

The actuator is exclusively compatible with Belimo ball valves. It cannot be used with valves from other manufacturers!

Features

• The actuator drives the ball valve while simultaneously tensioning the return spring to the operating position. Interrupting the power supply turns the ball valve back to the fail-safe position using the spring's energy.
• The ball valve can be adjusted and fixed in any position using the manual lever. Unlocking is done manually or automatically by supplying power.
• The actuator is protected against overload, requires no end stops, and automatically stops at the stop.