Siemens digital industrial room thermostat S55770T 379

Manufacturer: Siemens Digital Industries
Designation: Room thermostat RDJ100
Type: S55770T 379
Type of power supply: Battery
Connection: 2-wire
With receiver: No
Measuring range: 5 to 30 °C
External sensor: No
With thermal feedback: No
Control characteristic: PID
Suitable for heating: Yes
Number of outputs heating: 1
Differential value: 1 K
Differential adjustable: No
Selector switch for heating and hot water: No
Version transducer/sensor: Other
Temperature readable: Yes
With display: Yes
Clock type: Daily clock
Version clock: Digital
Overtime switch: Yes
Optimisation: No
With drinking water circuit: No
Operation: Rotary
Weather-dependent control: No
Number of switching programmes: 1
Contact type: Change-over contact (NO/NC)
Max. voltage of contacts: 250 V
Voltage of contacts: 250 V
Max. contact load: 5 A
Protection class (IP): IP20
Explosion-proof: No
Colour: Other
RAL number: 9003
Width: 120 mm
Depth: 26.9 mm
Height: 90 mm
Class of temperature controller: IV

Further details: Mains-independent, battery-operated electronic room temperature controller with time programme and PID output control.

• With digital daytime timer (24 hours)
• Easy operation via large rotary knob, large display, and sliders
• Colour of housing front: Signal white RAL9003
• Colour of mounting plate: Light grey RAL7035

Operating modes:

• Automatic mode with max. 2 heating phases per day
• Continuous comfort mode
• Continuous energy-saving mode
• Frost protection mode.