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Siemens SMB22
AC 220 V linear spring return air damper actuator. Replacement unit is GCA321.1E, AC 230 V, 2-position, 18 Nm rotary damper with spring return + ASK71.4 rotary to linear linkage converter (see data sheets 4698and4699).
Replacement: GCA321.1E
Please check the technical data of the replacement product exactly, a 1: 1 replacement is not always possible.
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