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1. Use 5 indicators to indicate: normal, phase loss (voltage three-phase unbalance), reverse phase, overvoltage and undervoltage.
2. The base of the protector adopts a rail type with two screw holes, which can be directly installed separately or mounted on the HT35 rail.
3. Phase loss protection means that when the protected line is in the running state or non-operating state, any phase failure occurs, and the delay is 2S.
4. Reverse phase protection, a protection measure to prevent L1, L2, L3 three-phase AC phase sequence from being connected incorrectly, delay 2S action.
5. Voltage unbalance protection means that a three-phase voltage imbalance will affect a safe protection of the line. When the three-phase unbalance rate x100%>10%, the protection delay 2S action.
6. Overvoltage protection means that the voltage of the protected line is higher than the set value, and the delay is 3~8S, and the recovery is 6~20VAC.
7. Undervoltage protection means that the voltage of the protected line is lower than the set value, the delay is 3~8S, and the recovery is 3~20VAC.
8. Products are widely used in air compressors, electric motors, distribution boxes, water pumps, oil pumps, central air conditioning units, electric control boxes, power distribution cabinets, etc