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SA/S 2.20.1S 2-Fold Switch Actuator Manual

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This document describes the ABB SA/S 2.20.1S, a 2-fold switch actuator with current detection for the ABB i-bus® EIB/KNX system. It details technical specifications, including 20 AX rated current, manual operation, and programmable functions such as time delays, stair light logic, and threshold reactions.

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