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Detailed technical specifications of TAC b3850/3851/3853, one of over 37 Access control controllers from TAC
  • Technical spec

TAC b3850/3851/3853

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Manufacturer: TAC Satchwell TAC SatchwellDownload DatasheetDownload Datasheet
TAC b3850/3851/3853 Access control controller
Model Codeb3850/3851/3853
SeriesContinuum Series
Controller TypeNetworkable
Communication TypeRS-485
Onboard No/Type of Inputs / Outputs4 inputs, 4 outputs
Electrical SpecificationsVoltage: 24 V AC
Power Consumption: 20 VA
Physical SpecificationsDimensions mm: 139 x 207 x 62
Weight g: 500
Environmental SpecificationsOperating Temp oC: 0 ~ 49
Operating Humidity %: 10 ~ 95
Model Info

The b3850 is designed for single-duct VAV applications, with four universal inputs plus an on-board air flow sensor.  The b3851 contains four Universal inputs as well, but does not have the on-board air flow sensor and is perfect for applications such as heat pumps and fan coils.  The b3853 is for dual-duct VAV applications. It contains two on-board airflow sensors and four universal inputs.

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