CD2425W1VRH

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Solid State Relays (SSRs) are electrical components that use solid-state electronics to control a switching element. They are designed to provide the same advantages as traditional electromagnetic relays, but with improved reliability, efficiency, and safety. One such SSR is the CD2425W1VRH.

The CD2425W1VRH is a 24Vdc (25A) solid state relay module with a zero-voltage turn-off. It is a 4-pin device consisting of: a control (electronic) side input module, a load (electrical) side output module, a heat sink, and a mounting base. The control side input module is designed for an input voltage range of 3-32 Vdc and provides a current source to drive the output module.

The voltage required for the output module to activate (or “turn-on”) is 5Vdc, and the maximum operating current is 25A. The SSR has a 10KHz maximum switching frequency, and its load voltage range is from 0-220Vac. It is also UL/cUL, EN/IEC certified and has a C-tick rating for EMC compliance.

The load side output module consists of a triac, a gate resistive network, and a snubber network. The triac is the main switching element in the output module and is usually used for higher current ratings. The gate resistive network is used to protect the triac from static voltages. The snubber network is used to suppress any ringing or arcing caused by the triac. This allows for quieter and safer operation.

The CD2425W1VRH is typically used in industrial applications, such as: heating, motor control, lighting control, process control, and even for home appliances. By connecting the module\'s control side input to a suitable switching device, it can be used to control the switching element in the output module. This allows for precise control of the output module\'s voltage and current.

The working principle of the CD2425W1VRH SSR is relatively simple. When the control side input voltage is below 5Vdc, the output module will remain \'off\'. Once the voltage rises above the 5Vdc threshold, the triac switches \'on\', allowing current to flow through the module\'s load side output element. The time it takes to switch \'on\' is known as the turn-on delay, and the time it takes to switch \'off\' is known as the turn-off delay. This ensures that the output element is switched only when the voltage rises above the 5Vdc threshold.

The CD2425W1VRH is an example of a reliable, efficient and easy to use solid state relay. By connecting the module\'s control side input to a compatible switching device, it can be used to control voltage and current in industrial applications. With its UL/cUL, EN/IEC certification and C-tick for EMC compliance, the CD2425W1VRH provides a safe and reliable switching solution for industrial applications.

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