BBC Brown Boveri GHR4310000V0 Sigma-Tronic B Delay unit 0-1 Retarder is a Sigma-Tronic B timing module from BBC Brown Boveri (now ABB), identified by the part number GHR4310000V0. This used unit is described as a Delay unit with a 0-1 retarder function and appears in distributor catalogs under the GHR4310000V0 designation. It is associated with the R431-series family of delay components within the Sigma-Tronic B product line. Several retailers list it as a used item, reflecting its availability in the used-industrial tooling market.
