If you are looking for the rated voltage for the SF-NDAA Series Pluggable Cables from Amphenol, it will be less than or equal to 30V as confirmed by the manufacturer.
Applicable part numbers
SF-NDAAFF100G-001M
SF-NDAAFF100G-002M
SF-NDAAFJ100G-003M
SF-NDAAFJ100G-005M
SF-NDAAFF100G-003M
SF-NDAAFJ100G-002M
SF-NDAAFF100G-001M-ND
SF-NDAAFF100G-002M-ND
SF-NDAAFJ100G-003M-ND
SF-NDAAFJ100G-005M-ND
SF-NDAAFF100G-003M-ND
SF-NDAAFJ100G-002M-ND