Siemens PAD-5-MB


PAD-5 main board (with one [1] adapter plate)

Availability: Please Call for Lead Time

  • Factory New
Brand: Siemens Part #: 47957 Categories: , , Manufacturer Part #: S54339-A5-A1


The main board (Model PAD-5-MB) used with PAD-5 notification-extender units provides remote, auxiliary power for signaling appliances. Model PAD-5-MB also allows for expansion of notification appliances (NACs) that plug into each main board. Each PAD-5-MB main board connects via the P2 loop of a Siemens `X’-series Device Loop Card (Model XDLC) connected to the Siemens Modular fire-alarm control panel (FACP). Up to 32 Siemens PAD-5 main boards or mixture expansion cards can connect to one (1) Model XDLC at a time. Additionally, Model PAD-5-MB has one (1) address, and is programmed with the Siemens Device Programmer / Test Unit, Model DPU.


Weight 1.00 lbs



  • Intelligent controller resides on SLC loop
  • Four (4) ‘Class A’ or eight (8) ‘Class B’ NACs that can be mixed
  • ‘Class X’ wiring-isolator device
  • Temperature-compensated battery-charging circuits
  • ‘Trouble’ relays for remote monitoring
  • Diagnostic light-emitting diodes (LEDs)
  • Alternating Current (AC) power connection

FACP Accessories: PAD-5 Addressable Power Supply Unit


Siemens - Data Sheet

Intelligent Notification and Auxiliary Power Expander


Siemens - Installation Sheet