NDQ3

NDQ3 Series Adds D-Type Controller: LED Liquid Crystal Display. Featuring wide-frequency detection, fault recording, 485 communication, and programmable terminals, it covers protection functions such as over-frequency, under-frequency, phase sequence, and phase angle. This product is primarily used for Level 1 loads as defined by national regulations, and is widely applicable in critical locations requiring continuous power supply, including fire protection, telecommunications, hospitals, hotels, urban rail transit, high-rise buildings, industrial assembly lines, and television stations. The main and standby power sources can be grid power, self-starting generator sets, or battery banks.