TAC b3850/3851/3853 Access control controller

Technical Specification

Features:
  • Make: TAC
  • Model code: b3850/3851/3853
  • Series: Continuum Series
  • Controller Type: Networkable
  • Networkable: Yes
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Additional 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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Make TAC
Manufacturer TAC Satchwell
Category Access Control>Access control controllers
Model code b3850/3851/3853
Controller Type Networkable
Networkable Yes
Communication Type RS-485
Onboard No/Type of Inputs / Outputs 4 inputs, 4 outputs
Electrical Specifications Voltage: 24 V AC
Power Consumption: 20 VA
Physical Specifications Dimensions mm: 139 x 207 x 62
Weight g: 500
Environmental Specifications Operating Temp oC: 0 ~ 49
Operating Humidity %: 10 ~ 95
Additional 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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