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ES/S 4.1.2.1 Electronic Switch Actuator Manual

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This document describes the ABB STOTZ-KONTAKT Electronic Switch Actuator (type ES/S 4.1.2.1) for controlling thermoelectric valve drives in heating/cooling systems via KNX bus. It details technical specifications including 4 semiconductor outputs, manual operation, error handling, and installation on a 35 mm DIN rail.

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