The ARM-2 Auxiliary Relay Module is a UL listed option when factory installed in the Potter PFC-4410RC Series. When the ARM-2 is used the additional power required for this relay module must be subtracted from the total circuit current available. The ARM-2 Auxiliary Relay Module is a non-supervised DPDT Relay designed to be activated by 24VDC Indicating and/or Releasing, polarity reversing circuits. The module can be used for fan shutdown, door release, elevator recall, etc. One to four ARM-2 modules in the PFC-4410RC series may be utilized to provide multiple auxiliary functions.