| Customization: | Available |
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| Task: | Adjust |
| Structure: | Combination |
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HHD1B series motor protector (hereinafter referred to as protector) is the latest product of low-voltage motor protector in China. This product is developed by using single-chip microcomputer, EEPROM storage and other internationally advanced integrated circuit and microcomputer technology, so the parameter measurement accuracy is high, the fault identification is accurate and reliable, the protection function is complete, the parameter display is intuitive, and it is equipped with RS485 serial digital interface, which can realize computer communication, detection, control and other functions. It is the most ideal motor protection product at present. It is widely used in petroleum, chemical, electric power, metallurgy, coal, light industry, textile and other industries. This series of protectors meets the requirements of GB/T14048.4 standard.
| Contact form | One group of normally open and one group of normally closed independent contacts |
| Current range | -1: 2~100A -2: 40~200A -3: 80~400A -4: 160~800A |
| Protection function | Phase failure, three-phase imbalance, overload, stall, start avoidance, short circuit, overvoltage, undervoltage, underload, grounding (need to be equipped with a special zero-sequence transformer) |
| Display mode | LED digital tube cyclically displays three-phase current and memory fault status and query |
| Contact capacity | 3A AC380V (resistive) |
| Dimensions | HHD1B-1, 3, 4: 100×66×156mm; HHD1B-2: 120×62.5×168.5mm |
| Matched transformer | HHD1B-3, 4 need to be equipped with a current transformer |
| Optional functions | S-485 communication interface (code T), 4~20mA transmission output (code B |
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