Description: The electromechanical hygrostat MRF012 is designed to control cabinet heaters, raising the dew point when a critical relative humidity of 65% is exceeded. This effectively prevents condensation and corrosion. Specifications: Switching difference: 4% RH (3% tolerance) Permissible air velocity: 15m/sec Contact type: change-over contact Contact resistance: 100,000 cycles Min. switching capacity: 20V AC/for DC 100 mA Max. switching capacity: 250 VAC, 5 (1) A for DC 20W EMC: acc. to EN 55014-1-2, EN 61000-3-2, EN 61000-3-3 Connection: 3-pole terminal for 2.5mm2, tightening torque 0.5Nm max.: rigid wire 2.5mm2, stranded wire (with wire end) 1.5mm2 Mounting: clip for 35mm DIN rail, EN50022 Casing: plastic according to UL94 V-0, light grey Dimensions: 67 x 50 x 38mm Mounting position: variable Operating/Storage temperature: 0 to +60C (+32 to +140F) / -20 to +80C (-4 to +176F) Protection type: IP20 Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you! Package includes: 1pc Humidity Controller