Temperature regulation range 2 °C – 40 °CAnti-freeze temperature regulation range 2 °C – 7 °CMax. temperature T45Reference thermal gradient 4 K/hRelative humidity displayed value 20% – 90%Electric connections Screw clamps 3. 5 mm twopole jack plugDouble InsulationProtection IP20Micro-disconnection 1BUSoftware Class APollution degree 2Impulse Voltage 4000VElectric featuresIntellicomfortCH150RPower supply from a remote actuator CH171D via two wires. System for maintaining the prescribed time via 2 AA 1,5 V batteries (optional). Connections length max 100 m. Actuator CH171DPower supply – 230V 50Hz. Voltage-free switching contacts. Absorbed power 3VA. 2 output relays for temperature and humidity control.