Bosch Security D7053


Multiplex input/output module, 12V
Connects normally‐open (NO) contacts to the multiplex bus of an FPD‐7024, D7024, or DS9400M FACP in configures as either Class A or Class B configuration

Availability: Estimated 6 - 8 Business Days

  • Factory New
Brand: Bosch Security Part #: 50400 Categories: , , , Manufacturer Part #: D7053 Tag:


The D7053 MUX input/output module (12V) is a general purpose device that monitors a normally-open (NO), supervised contact device. It provides a separately controlled Form C relay output. The module connects to the multiplex bus of an FPD-7024, D7024 or DS9400M FACP. It configures as either Class A or Class B and addresses using rotary switches. All operating power for the module is drawn from the control panel’s multiplex bus. An on-board status LED indicates normal, alarm, and trouble conditions.


Weight 0.05 lbs
Dimensions 1.97 × 4.80 × 4.88 in






  • Use with FPD-7024, D7024, or DS9400M addressable FACPs
  • Fits into a standard double-gang or four-inch square back box
  • Easy addressing using rotary switches
  • Low current draw


D0753 Multiplex input/output module, 12V
Bosch Security – Data Sheet – 2018
Multiplex Input/Output Module; D7053
Bosch Security – Installation Instructions – 2004
FPD-7024 Series; D7053 Relay Does Not Activate Upon Reset
Bosch Security – Technical Bulletin – 2009
MUX Devices; Rotary Address Switches
Bosch Security – Technical Bulletin – 2010