Harmonic Protector ZM-HPD Three-Phase Unbalance for Shopping Malls - Kofler Fire Protection

Harmonic protectors are a high-reliability protective tool developed to counteract increasingly severe electrical environments and safeguard high-precision electrical equipment like computers and PLCs from high-order harmonic interference and surge shocks. They utilize ultra-fine crystal alloy materials and innovative circuitry, effectively suppressing and absorbing random high-order harmonics, high-frequency noise, pulse spikes, and surges. They synchronize with voltage waveforms, instantly filtering out spikes, surges (lightning), and noise from the power supply, correcting distorted voltage waveforms caused by harmonics. This results in a smooth and clean power supply waveform for the power grid, improving power supply quality and ensuring the proper operation of electrical equipment.
Harmonic protectors are connected in the circuit to eliminate higher-order harmonics at the source, while effectively protecting high-precision equipment from surge impacts and high-frequency noise caused by higher-order harmonics from the power grid. The device has passed rigorous performance tests by authorized departments and is a trustworthy high-quality and reliable product. It provides effective protection for electrical equipment of a wide range of users, preventing significant losses caused by interference and shocks from the power grid that could harm critical equipment.

Harmonic protector brief introduction and function:

Home appliances are increasingly integrated, especially computers and LCD TVs at home, which are very sensitive to power voltage stability. Typically, home appliances can withstand short-term voltages of 1000-2500 volts, but abnormal high voltage situations often occur in daily life, and the voltages are much higher than the appliances themselves. Excessive voltage can directly puncture the main working components of home appliances, leading to damage.
The protector, equipped with built-in high-voltage device technology, effectively resists accidental injuries caused by abnormal voltages, ensuring that the instantaneous high voltage in the circuit does not exceed 1000v, thereby protecting your household appliances.
Abnormal voltages may occur in these situations, which can damage electrical appliances; a harmonic protector can be tried.
1) Thunderstorms can induce lightning on power lines in the vicinity of the strike point, causing voltage spikes of tens of thousands of volts instantaneously. These spikes can propagate along the power lines to great distances, affecting electrical appliances connected to the lines.
2) Switchgear, particularly for high-power appliances (such as air conditioners), can generate a momentary high voltage (up to thousands of volts) at the instant of starting the switch, affecting other electrical devices on the circuit.
3) Harmonic protectors, during the power company's switchgear operation, and at the moment of power restoration after a power outage, the electrical department activates the switch, which can generate thousands to even tens of thousands of volts of instantaneous high voltage.
4) Voltage fluctuations in harmonic protectors are common during peak electricity usage periods due to factors such as energy shortages and electricity control measures.


Shanghai Kofiler Electrical Co., Ltd. specializes in the production of neutral current eliminators, fire patrol cabinets, DC screens, EPS emergency power supplies, harmonic protectors, active filters, dual power automatic transfer switches, emergency lighting centralized power sources, control and protection switches, and related products. For more details, please inquire.
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