Thermal protection relay JRS1

three-phasefor electric motorscontactor mount

JRS1 series thermal over-load relay is suitable for the circuit of AC50～60Hz, rated operating voltage Ue: 380V, rated current 0.1～80A, as the use of over-load and break phase protection for AC motor. Thermal relay is with reasonable structure, has setting current adjusting device, manual reset device, stop device, temperature compensation device, as well as protective structure that protect the hands from electric shock. ► Normal operating condition and installation condition 3.1 - Ambient temperature: -5°C~+40°C, and the average value within 24h does not exceed +35"C ; 3.2 - Altitude of the installation place does not exceed 2000m; 3.3 - Atmosphère condition: The relative humidity does not exceed 50% when it is at +40 °C, it allowed relatively high humidity at the relatively low temperature, for example, the relative humidity reaches 90% when +20'C, and it should take spécial measurements when there produced the condensation on the product due to the temperature variation. 3.4 - It should be at the no explosion danger medium, and the medium without the gas that cannot corrode the métal and damage the insulation as well as the places that without conductive dust. 3.5 - Grade of pollution: 3 3.6 - Installation category: III 3.7 - Installation position: installed at the normal position, the gradient between the installation side and the vertical side does not exceed ±5°, and without obvious vibration and impact. 3.8 - Protection grade: IP 00