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Siemens S55770-T539

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Siemens S55770-T539

RDF440BN-BK - Flush mount touch BACnet and Modbus room thermostat for 2-/4-pipe FCU with 3-speed or DC fan outputs, DC 0...10V control outputs and 2 x multifunctional inputs, fit for square conduit boxes. • Built-in temperature sensor • For fan coil applications • AC/DC 24 V power supply • Commissioning via local HMI, bus or Siemens smartphone app QuickConfig • Communication protocol selectable: BACnet MS/TP or Modbus RTU • Operating modes: Comfort, Economy and Protection • 1 x universal input + 1 x digital input: - External sensor - Changeover sensor/switch - Window contact - Alarm source - Presence detector - Hotel keycard • Slim profile (8.4 mm) • Capacitive touch buttons • Backlit display Application selectable: • 2-pipe system • 2-pipe system with electrical heater • 4-pipe system

SiemensMFR # S55770-T539SKU # YLS8QQOUANAOWO
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About This Product

RDF440BN-BK - Flush mount touch BACnet and Modbus room thermostat for 2-/4-pipe FCU with 3-speed or DC fan outputs, DC 0...10V control outputs and 2 x multifunctional inputs, fit for square conduit boxes. • Built-in temperature sensor • For fan coil applications • AC/DC 24 V power supply • Commissioning via local HMI, bus or Siemens smartphone app QuickConfig • Communication protocol selectable: BACnet MS/TP or Modbus RTU • Operating modes: Comfort, Economy and Protection • 1 x universal input + 1 x digital input: - External sensor - Changeover sensor/switch - Window contact - Alarm source - Presence detector - Hotel keycard • Slim profile (8.4 mm) • Capacitive touch buttons • Backlit display Application selectable: • 2-pipe system • 2-pipe system with electrical heater • 4-pipe system

Siemens S55770-T539

  • Genuine, certified Siemens product
  • Fast sourcing through a worldwide supply network
  • Product selection and compatibility support from our technical team
  • Equivalent and alternative product suggestions
  • Quotation and lead time tailored to your request

Accessories 1

Genuine accessories that can be used with the Siemens S55770-T539 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part noDescriptionCompatible motors
S55720-S289Aksesuar

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