Short Description:
This product is suitable for low-voltage power grid systems with three-phase four-wire neutral point direct grounding (TT), and is used to against ground fault, overcurrent, short circuit, overvoltage, undervoltage, power failure automatic tripping, and phase loss of lines or electrical equipment, and can also indirect contact protection against the risk of electric shock to people. The product meets the standards:
Basic parameters:
This product is suitable for low-voltage power grid systems with three-phase four-wire neutral point direct grounding (TT), and is used to against ground fault, overcurrent, short circuit, overvoltage, undervoltage, power failure automatic tripping, and phase loss of lines or electrical equipment, and can also indirect contact protection against the risk of electric shock to people. The product meets the standards: GB/T14048.2, GB/T3290, DL/T 20.
Note: This manual also applies to products with N-type on the right (N-pole on the right) and products with Ntype on the left (N-pole on the left).
Normal working conditions:
✦Ambient temperature -5°C~ 40℃;
✦The average minimum temperature of the month with the highest relative humidity shall not 25℃, and the average maximum relative humidity of the month shall not exceed 90%, and condensation on the surface of the product shall be considered due to temperature;
✦The altitude is not more than 2000 meters;
✦Pollution level 3;
✦Installation category 3;
✦The magnetic field in the installation place shall not exceed 5 times of the geomagnetic field in any direction.
