The JUMO 701050/831-31 is an eTRON T digital electronic thermostat. It is a compact DIN rail–mounted controller designed for simple heating and cooling applications, with Pt100/Pt1000 RTD and thermocouple inputs, a 12–24 V AC/DC supply, and a relay output rated at 10 A / 250 V AC.

• Manufacturer: JUMO GmbH & Co. KG
• Part Number: 701050/831-31
• Series: eTRON T
• Type: Digital thermostat with LC display
• Mounting: DIN rail (90 × 22.5 mm slim format)

Technical Specifications

• Supply Voltage: 12–24 V AC/DC
• Inputs Supported:
  • Resistance thermometers: Pt100, Pt1000, KTY2x-6
  • Thermocouples: Fe-CuNi, NiCr-Ni
  • Standard signals: 0–20 mA, 4–20 mA, 0–10 V
• Output:
  • 1 relay output (changeover contact)
  • Rated for 10 A at 250 V AC
• Temperature Range: -50 °C to +180 °C (depending on sensor type)
• Operating Temperature: 0 °C to +55 °C
• Display: 3-digit LC display for actual value indication
• Operation: 3 front-panel keys for parameter setting and control
• Protection Class: IP20 (housing), suitable for control cabinets