Over Under Voltage Protection Switch VAP 4P

XENHO Factory’s Over Under Voltage Protection Switch VAP 4P integrates dual protection against both over-voltage and under-voltage. Featuring a built-in intelligent control module and a time-delay reset function, it ensures that power supply automatically resumes once grid stability is restored, thereby eliminating the need for frequent manual intervention. Designed with all-copper conductive terminals and a flame-retardant housing, it guarantees long-term safety and durability, making it suitable for use with a wide range of critical electrical appliances, such as air conditioners, refrigerators, and water pumps.

Technical Specifications

Operating Frequency: 50/60 Hz

Response Time: ≤ 0.1 s

Protection Action Accuracy: ± 5%

Reset Mode: Automatic Delayed Reset (300 s)

Relative Humidity: ≤ 95% RH (Non-condensing)

Product Specifications

Core Advantages

1. Simultaneous 3-Phase Protection: Comprehensive and Enhanced Safety

Compared to 2P products, the 4P design of the Over Under Voltage Protection Switch VAP 4P allows for the simultaneous monitoring of all three phases plus the neutral line, making it ideally suited for complex, high-demand industrial environments.

2. Millisecond-Level Response: Minimizing Equipment Risk

Interrupts power within ≤0.1 seconds upon detecting abnormal voltage, thereby preventing damage to critical equipment such as motors and control systems.

3. Intelligent Delayed Reset: Ensuring Operational Stability

Features a default 300-second recovery delay to prevent frequent voltage fluctuations from causing equipment to repeatedly start and stop.

4. Industrial-Grade Materials: Superior Durability

High-Purity Copper Terminals: Low power loss and high conductivity

Flame-Retardant Engineering Casing: High safety rating

Wide Operating Temperature Range: -25°C to +85°C

Customization and Manufacturing Process

We offer flexible customization services for the VOver Under Voltage Protection Switch VAP 4P, allowing for multi-dimensional adjustments tailored to specific customer application requirements. These adjustments include optimizing voltage protection thresholds, matching specifications for conductive terminals, and personalizing the design of the housing color and branding. Regarding manufacturing, we strictly adhere to the ISO Quality Management System. From raw material selection and precision machining to the assembly of intelligent modules and final product testing, every stage undergoes rigorous quality control to ensure stable, consistent product performance and a long, reliable service life.

Logistics Anomaly Handling Mechanism

To safeguard our customers' interests, we have established a comprehensive system for addressing logistics anomalies. Should any issues arise during transit—such as product damage, loss, or delays—we immediately activate our emergency response protocol. Our professional after-sales team promptly engages with the customer to assess the situation and provide appropriate solutions—ranging from product replacement to repair services—thereby minimizing customer losses and ensuring that project timelines remain unaffected.

Packaging and Protection Guidelines

The product is packaged in high-strength, compression-resistant corrugated cardboard boxes, featuring internal cushioning provided by shock-absorbing pearl cotton and EPE foam supports to effectively mitigate impacts and vibrations during transit. The device itself boasts an IP20 protection rating, preventing the ingress of foreign objects and dust into critical live components, thereby ensuring safety during storage and transportation. Furthermore, the outer packaging is marked with waterproof, anti-drop, and orientation symbols, and is reinforced with sealing plastic strapping to enhance environmental resilience, ensuring that the product is delivered to the customer safely and in pristine condition.

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Contact us

For any inquiries about our products, please feel free to contact us through the following methods:

WhatsApp / WeChat: 86-13123865875 86-15858812131

Email: 799199031@qq.com