Operating conditions
- The altitude shall not exceed 2000m.
- The ambient air temperature is -5℃~+40℃ and the average temperature within 24h shall not exceed +35℃.
- Atmospheric condition: Relative humidity of atmosphere shall not exceed 50% at the temperature of +40℃,and higher relative humidity is allowed at lower temperature. For example, the air humidity can reach 90% at the temperature of +20℃. Regarding the condensation casually caused by humidity change, special measures shall be taken.
- Class of pollution: Class III
- Installation category: category III
- The angle between the installation surface and the vertical surface shall not exceed ±5 degrees.
- The place without obvious shake, impact and vibration shall be selected as the installation site.
- The installation site shall conform to the following standards: explosive and dangerous medium, no gas capable of corroding and damaging insulation in the medium and less conductive dust in the medium.
- The place with rain-proof and snow-proof equipment and a little water vapor shall be used as the installation site
Others
Structure characteristics
●Three-phase electronic type
●Function of phase failure and overload protection(not suitable for reversible motor)
●Device capable of continuously adjusting setting current
●The main circuit adopts pass-through-core type wiring method
●Installation method: installation via screws or rail
The protector has the following operating characteristics for load balance of each phase; the tripping level is level 30.
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