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High frequency dc solid state relay, the application and features you may know.
10-1000Hz, 2400VDC, switching time is less than 0.25ms, mainly used for industrial control of DC high-voltage, high-current, high-power switching electrical equipment.
How to choose a suitable Solid State Relays
Single phase or three phase, nominal voltage and current, potential surge or inrush current, AC or DC load, control signal, zero crossing type or random control ssr etc.
Considerations for Solid State Relays Selection
For resistive loads, a 2-3 times higher load current can be selected. For inductive or capacitive loads, a 3-4 times higher load current can be selected.
What's the difference between phase control Thyristor Module and Rectifier Diode Module?
Thyristor modules are used for controlled switching and power regulation, while rectifier diode modules are employed for converting AC to DC in rectification applications.
What are the main differences between MOVs and Spark Gaps in SPDs?
An effective surge protection strategy often combines the use of both MOVs and spark gaps, along with other protective devices, to provide comprehensive protection against different levels of power surges.
What is the main differences between Type 1 and Type 2 SPD?
It's worth noting that a comprehensive surge protection strategy may involve using both Type 1 and Type 2 SPDs in combination, along with other protective measures, to ensure maximum protection for electrical systems and connected devices.
What is the main difference between 8/20μs and 10/350μs in SPD?
8/20μs: Suitable for protection against fast-rising and short-duration surges, such as lightning strikes and rapid switching events.
10/350μs: Suitable for protection against slower-rising and longer-duration surges, often associated with power distribution network switching operations and industrial electrical systems.

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