The Omron R88A-CRGB010C is an encoder/resolver cable in the R88A-CRGB series, classed under Sensors > Encoders > Encoder & Resolver Cables — the dedicated lead between an Omron servo drive and its motor-mounted feedback device.
Ratings and the one figure that matters
Electrical and signal ratings for the R88A-CRGB series are defined by the connected drive and encoder pair; this cable itself is specified as the matched 10 m variant, and length choice — not cable gauge — is what changes between the CRGB and CRGA family suffixes.