Main Units - Expandable with RS485

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  Fatek – B1 10 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port AC B1-10M
  $275
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  Fatek – B1 10 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port DC B1-10M
  $225
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  Fatek – B1 14 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port AC B1-14M
  $305
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  Fatek – B1 14 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port DC B1-14M
  $255
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  Fatek – B1 20 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port AC B1-20M
  $365
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  Fatek – B1 20 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port DC B1-20M
  $315
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  Fatek – B1 24 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port AC B1-24M
  $395
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  Fatek – B1 24 I/O (Expandable) – Standard Main Unit c/w built in RS485 Port DC B1-24M
  $355
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