Products

Hot Sale Quality Voltage Protector from China

As a professional manufacturer in China, XENHO offers a comprehensive range of high-quality voltage protectors designed to ensure electrical safety in modern residential, commercial, and industrial settings. Our voltage monitoring relays and over-under voltage protection switches employ high-precision voltage detection technology to monitor grid voltage fluctuations in real-time, effectively preventing damage to valuable appliances and equipment caused by unstable power conditions.

Why Choose XENHO Voltage Protectors?

Electrical grids are subject to fluctuations that can compromise equipment safety and operational efficiency. XENHO voltage protectors provide automated, stable protection through:


High-Precision Voltage Detection: Real-time monitoring of grid voltage with automatic power cut-off when levels exceed 275V or drop below 170V.

Intelligent Protection Logic: Millisecond-level response mechanisms ensure immediate power-off upon anomaly and automatic restart upon voltage recovery.

Durable Construction: All-copper conductive structures combined with flame-retardant housings ensure long-term stable performance even under high loads and complex environmental conditions.

Reduced Maintenance Costs: By preventing equipment burnout and operational downtime, our solutions help customers minimize manual intervention and lower overall maintenance expenses.

Applications

1. Residential Applications: Safeguarding household appliances such as refrigerators, air conditioners, and entertainment systems from voltage spikes and sags.

2. Industrial Equipment: Protecting sensitive machinery, control systems, and production lines from power anomalies that can cause costly downtime.

3. Commercial Facilities: Ensuring uninterrupted operation of critical systems in offices, retail spaces, and data centers.


Contact XENHO today for factory-direct pricing, customized solutions, and expert support.

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Over and Under Voltage Relay

Over and Under Voltage Relay

XENHO's Over and Under Voltage Relay employs high-precision voltage detection technology to monitor grid voltage fluctuations in real time. When the voltage exceeds 275V or falls below 170V, it automatically cuts off the power supply, effectively preventing damage to electrical appliances due to overvoltage or undervoltage.
Digital Over and Under Voltage Protector

Digital Over and Under Voltage Protector

​A high-quality Digital Over and Under Voltage Protector is offered by XENHO, a leading manufacturer in China. Specifically designed to ensure electrical safety in modern residential and industrial settings, this device employs high-precision voltage detection technology to monitor power grid fluctuations in real time. When the voltage exceeds 275V or drops below 170V, it automatically cuts off the power supply, effectively preventing damage to electrical appliances caused by overvoltage or undervoltage.
Voltage Monitoring Relay

Voltage Monitoring Relay

As a professional manufacturer in China, XENHO is pleased to offer you a high-quality Voltage Monitoring Relay. Specifically designed to ensure electrical safety in modern residential and industrial settings, this device employs high-precision voltage detection technology to monitor grid voltage fluctuations in real-time. When the voltage exceeds 275V or drops below 170V, it automatically cuts off the power supply, effectively preventing appliances from sustaining damage due to overvoltage or undervoltage conditions.
Over Under Voltage Protection Switch VAP 4P

Over Under Voltage Protection Switch VAP 4P

As a professional manufacturer in China, XENHO would like to provide you with the high-quality Over Under Voltage Protection Switch VAP 4P. Compared to ordinary protection switches, it not only provides automatic power-off protection but also integrates an intelligent delayed reset function, automatically supplying power after voltage recovery, reducing manual intervention. Combined with an all-copper conductive structure and a flame-retardant housing design, the product maintains long-term stable performance under high loads and complex environments, helping customers reduce maintenance costs and improve overall operational efficiency.
Over Under Voltage Protection Switch VAP 2P

Over Under Voltage Protection Switch VAP 2P

In environments characterized by frequent power grid fluctuations, the XENHO Over Under Voltage Protection Switch VAP 2P, made in China, implements a fully automated protection logic—"power off immediately upon anomaly, restart immediately upon recovery"—through high-precision voltage monitoring and a millisecond-level response mechanism. Whether safeguarding household appliances or industrial equipment, the device ensures immediate protection in the event of overvoltage or undervoltage, effectively preventing equipment burnout, operational downtime losses, and safety hazards, thereby making every instance of power usage safer and more controllable.
XENHO as a professional manufacturer and supplier of quality Voltage Protector in China. With our own factory, we provide customized services and look forward to partnering with you.
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