This document introduces the CA1N4505en model of electric actuators and butterfly valves, which are used for control and shut-off valves in heating and air conditioning systems. The electric actuators feature a three-position control signal and a 90° rotation angle, with manual adjustment and valve position display. The auxiliary module SEZ31.1 is used for variable positioning time. The document also provides information on the working voltage, positioning time, and functions of different models and options.

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