PST3 - Programmable thermostats

PST3 thermostats are designed to control three-speed heaters. Thermostats have the possibility of 4-zone 7-day programming which allows you to set the temperature in 4 different time zones for each day of the week separately. In addition, thermostats have the option of automatic activation and deactivation at a specified hour. The ability to choose one of the 3 work modes allows you to use heating, cooling or ventilation systems.

It has control contacts for hot and cold water valves. The anti-freeze function allows the thermostat to automaticly turn on the heating mode when the ambient temperature drops below 5°C. In the case of voltage disappearance thermostat switches on automatically (auto-restart).


  • Temperature sensor type NTC
  • Accuracy: ± 1°C
  • Setting range for temperature: 5 to 35°C
  • Permissible temperature range: 0 to 45°C
  • Permissible humidity without condensation: 5-90%
  • Power supply: 85 to 260V AC, 50 / 60Hz
  • Maximum current of relay contacts:
    • 1,2A – inductive load type (AC3)
    • 2A – resistance type load (AC1)
  • Power consumption: <1W
  • Connection: screw connections, max 2×1,5mm2 or 1×2,5mm2
  • Housing: ABS + self-extinguishing PC
  • Dimensions: 90 x 90 x 14,5mm (height x width x depth)
  • Size of assembly box / mounting hole: 60mm
  • Degree of protection: IP30
  • LCD type display




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Breve Tufvassons Sp. z o.o.
Postępowa 25/27,
93-347 Łódź, Polska
NIP: 727-012-56-95

Tel: (42) 640 15 39
Fax: (42) 640 15 41