Relé térmico de sobrecarga de la serie JR28

Normal working conditions and installation conditions:

4.1 Ambient air temperature: -5℃~+40℃, the mean measured within 24h does not exceed 35℃. 4.2 Altitude: Not exceed 2,000 meters.

4.3 Relative humidity: The relative humidity does not exceed 50% at the maximum temperature +40℃, and a higher relative humidity is permissible at a lower temperature. The mean monthly minimum temperature of the wettest month does not exceed +25℃, and the mean monthly maximum relative humidity of this month does not exceed 90%. Special measures are taken for condensation occurred occasionally due to temperature changes.

4.4 Pollution degree: 3.

4.5 Installation conditions: The angle between the mounting surface and the vertical surface does not exceed ±5°.

4.6 It should be installed in places not full of water vapor with rain- and snow-proof device provided.

4.7 There is no obvious shaking, impact, or vibration.

4.8 There is no explosive and hazardous medium and the medium does not contain enough gas or conductive dust that can cause corrosion to the metal and damage to the insulation.