Balzers BG 527 058DU Relay PC Board is a Balzers-supplied printed circuit board designed for use with the BG 527 family of controller hardware. It appears alongside related BG 527 variants, including BG 527 061CS, signaling its role as part of the same relay‑driven control ecosystem. As a dedicated relay PC board, it consolidates the control electronics and relay interface on a single module intended for replacement in compatible Balzers equipment, providing the necessary circuitry to enable reliable switching within the BG 527 system.
