Versatile Applications for High Voltage DC Contactors
Our high voltage DC contactors are engineered for a wide range of applications, ensuring reliability and efficiency in demanding environments.
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Dual Gun Charging Post
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Centralized Power Distribution
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Switching Module
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On-board PDU
Practical Case Demonstration
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European Home Storage Project

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Charging Pile Project

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Charging project

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Supercharging project

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Spruce 120kw Project

Why choose DONGYA?
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Efficiency - High voltage DC contactors offer higher energy efficiency compared to AC contactors, especially over long distances in applications such as power transmission and renewable energy systems.

Reduced losses - DC contactors minimize power losses due to lower resistive losses and reduced reactive power requirements, resulting in more efficient power distribution.

Compactness - DC contactors can be more compact than their AC counterparts due to the absence of bulky components like transformers and capacitors.

Enhanced control - High voltage DC contactors allow for better control and regulation of power flow, making them suitable for applications requiring precise and fast response, such as electric vehicles and grid - tied energy storage systems.

Integration with renewable energy sources - High voltage DC contactors facilitate the integration of renewable energy sources (such as solar panels and wind turbines) with the existing power grid, enabling efficient power transfer and management.

What is a High Voltage DC Contactor?
A high voltage DC contactor is a special type of contactor designed to switch high voltage (HV) direct current (DC) circuits, typically in the hundreds to thousands of volts range. Compared with low-voltage DC contactors, East Asia HVDC contactors need to have significantly higher DC voltage ratings, higher current capacity, and higher insulation between contacts. High-voltage DC contactors are often used in high-power DC power distribution systems, renewable energy systems, electric vehicles, industrial automation systems and other occasions where high-voltage DC circuits need to be switched.
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How to choose a High Voltage DC Contactor?

Selecting a high voltage DC contactor requires special consideration and attention to the following factors.

Determine Voltage and Current Requirements: Determine the voltage and current ratings required for a specific application.

Consider switching capacity: HVDC contactors are designed to handle large amounts of power, but their switching capacity may vary by specific model and manufacturer.

Choice of contact arrangement: high-voltage DC contactors have various contact arrangements such as unipolar, bipolar, and tripolar.

Consider insulation and protection: HVDC contactors require proper insulation and protection to prevent arcing and ensure safe operation.

Check Certifications: Compliance with safety and industry standards such as UL, CE or RoHS.

Ensuring Durability: HVDC contactors need to switch and operate frequently in harsh environments.

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