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The HA165678 auxiliary controller by Siemens provides reliable signal extension and status monitoring for industrial circuit protection equipment.
Engineered with a 1A1B contact configuration, this component supports one normally open and one normally closed auxiliary contact for precise control logic integration. Rated for 600V operation, it ensures stable performance within demanding electrical environments.
The unit is designed to mount directly onto compatible Siemens protective devices, streamlining panel layout and reducing wiring complexity. Its robust construction supports continuous duty cycles in commercial and industrial power distribution networks.
Engineers can utilize this accessory to expand control capabilities without modifying primary breaker architectures.
600V
It provides a 1A1B configuration, meaning one normally open and one normally closed contact.
It is an auxiliary controller designed for circuit protection accessories.
Siemens manufactures this auxiliary controller.
