This is our FSB or Failsafe box. It works with V1.10 and V1.11 and 4.10, 4.11 and 5.10 + of our CMGS/VC2 PROGRESSIVE controllers. This is included with all of the autolearn kits. If you order a VC2/CMGS specify those versions to ensure capatibility. This reports the failsafe information to the CMGS/VC2 and also allows for multiple stages/solenoid control.
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