G9SA-EX301产品概述
G9SA-EX301 Expansion Unit: Power Requirements: The G9SA-EX301 connects to G9SA-301, G9SA-501, G9SA-321 or G9SA-TH301. Outputs: The G9SA-EX301 has 3 NO outputs to route power to the coils of power contacts, plus 1 NC auxiliary output for signaling purposes.