| Customization: | Available |
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| Task: | Adjust |
| Structure: | Combination |
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1. HHD5-G phase failure and phase sequence over- and under-voltage protection relay (hereinafter referred to as protection relay) forms a protection circuit with AC contactors and other switching electrical appliances to effectively protect against overvoltage, undervoltage, phase failure, phase sequence misconnection and other faults that may occur in irreversible three-phase AC motors and transmission equipment (such as water pumps, fans, conveyors, air compressors, and feeder lines).
2. Protection relays are widely used in three-phase AC 50Hz, 380V low-voltage power distribution systems in industry, agriculture, and service industries.
3. The relay adopts advanced voltage detection principles, and the main components are high-quality imported integrated circuits. It has the characteristics of reliable performance, fault indication, strong anti-interference ability, small size, easy installation and use, and is not affected by the power size of the protected equipment.
4. This protection relay meets the relevant requirements of GB/T 14048.4.
| Specification | HHD5-G |
| Working power supply | Three-phase AC380V 50Hz |
| Protection function | Overvoltage, undervoltage, phase failure, phase sequence, voltage imbalance |
| Contact form | A set of normally open and normally closed contacts |
| Contact capacity | 3A AC250V (resistive) |
| Installation method | Device type or 35mm rail type |
| Alternative products | XJ11, ABJ1-18 |
| Display mode | LED indicates working status |
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