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Compatible I/O units for VAMP 221

Issue
User needs to know which I/O units are compatible with VAMP 221

Product Line
VAMP 221

Environment
I/O units

Resolution
The following I/O units are compatible with VAMP 221. Details for each unit are provided below.

  • VAM 12L accommodates up 10 arc APS_SENSORS, 3 APS_SENSORS have dedicated trip outputs
  • VAM 12LD accommodates up 10 arc APS_SENSORS, 3 APS_SENSORS have dedicated trip outputs
  • VAM 10L accommodates up 10 arc APS_SENSORS
  • VAM 10LD accommodates up 10 arc APS_SENSORS
  • VAM 3L accommodates up to 3 fiber loops
  • VAM 3LX accommodates up to 3 fiber loops with sensitivity adjustment
  • VAM 4C accommodates up to 3 current transformers
  • VAM 4CD accommodates up to 3 current transformers
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