D2D12L

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Solid State Relays (SSRs) are electrical components that are used to control the on and off operation of a load. They involve switching electrical circuits by means of a semiconductor device without the need for mechanical contact between the current and the load. An SSR is an ideal choice for applications requiring high input relay isolation and long contact life, as well as a wide range of current ratings and switching frequencies. For instance, D2D12L, designed by Zetcon Automation, is a solid state relay that is used in industrial automation applications. This article gives an overview of the D2D12L application field and working principle.

The D2D12L is a special SSR which can produce very fast switching times of ≤ 5 ms, making it ideal for industrial control boards. This SSR features an intrinsic input-output isolation of 4000 Volts DC, and can withstand surge up to 5kV or more. In addition, the D2D12L includes a wide variety of mounting styles, as well as a wide operating temperature range extending from -40°C to +125°C. The SSR is designed for direct contact switching without additional contact materials, and can switch between a low and a high voltage with very low voltage drops or energy losses.

The D2D12L SSR can be used in a variety of applications, such as home and office appliances, automotive, heating and cooling systems, industrial automation, HVAC systems, and power supplies. In addition, it is also used in energy saving equipment or devices, including fluorescent lamps, energy management systems, power factor regulators, and LED lighting. Furthermore, D2D12L is suitable for control circuits in automated processes, such as welding machines, textile machines, and printing presses.

In terms of working principle, D2D12L is a solid-state switching device, consisting of a special-purpose semiconductor formed in the shape of a bridge rectifier. When a control voltage is applied, the SSR closes the circuit and allows current to flow, turning on the load. When the voltage is released, the SSR opens the circuit, cutting off the current and turning off the load. The switching speed of the D2D12L SSR is what sets it apart from other SSRs: when the applied voltage is above the minimum threshold, it can switch between the on and off states in only 5 milliseconds. This makes it suitable for high-speed industrial automation applications, such as those involving repetitive motions.

In summary, the D2D12L from Zetcon Automation is a solid-state relay designed for industrial automation. This SSR offers a high level of input-output isolation, as well as a wide range of voltages and currents. It is designed for contactless switching and can switch on and off between high and low voltages with low voltage drops or energy losses. With a fast switching time of ≤ 5 ms, the D2D12L is suitable for high-speed industrial applications, such as home and office appliances, automation systems, and energy saving equipment.

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