The electromechanical hygrostat MRF012 is designed to control enclosure heaters to raise the dew point when a critical relative humidity of 65% is exceeded, effectively preventing condensation and corrosion. Specifications: - Switch difference: 4% RH (±3% tolerance) - Permissible air velocity: 15 m/s - Contact type: change-over contact - Contact endurance: 100,000 cycles - Minimum switching capacity: 20 V AC/DC, 100 mA - Maximum switching capacity: 250 VAC, 5 (1) A; DC 20 W - EMC: in accordance with EN 55014-1, EN 55014-2, EN 61000-3-2, EN 61000-3-3 - Connection: 3-pole terminal for 2.5 mm² wire; clamping torque 0.5 Nm max.; rigid wire 2.5 mm², stranded wire (with ferrule) 1.5 mm² - Mounting: clip for 35 mm DIN rail, EN 50022 - Housing material: plastic, UL94 V-0, light grey - Dimensions: 67 x 50 x 38 mm - Installation position: variable - Operating temperature: 0 to +60 °C (+32 to +140 °F) - Storage temperature: -20 to +80 °C (-4 to +176 °F) - Protection rating: IP20 Note: The item color may appear slightly different on various computer monitors due to variations in display calibration. A slight deviation of 1–3 mm may occur due to manual measurement. Package includes: 1 x Humidity Controller