CD2425W3VR

Series:	Evolution Dual
Packaging:	Bulk
Part Status:	Obsolete
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A) x 2
Output Type:	AC
Voltage - Input:	4 ~ 32VDC
Voltage - Load:	24V ~ 280V
Load Current:	25A
Termination Style:	Screw Terminal
Package / Case:	Hockey Puck
Supplier Device Package:	--

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Introduction The CD2425W3VR is a type of solid state relay. It is a two-stage control device, designed for use in general-purpose electrical control equipment. The device has a wide range of applications, from low to high voltage and high current control.Design and Features The CD2425W3VR solid state relay utilizes an opto-isolator and an unijunction transistor as their main components. It is a 24 V device, which can be operated at temperatures ranging from -10°C to +70°C. It is an encapsulated design, making it suitable for mounting and providing superior protection from environmental interference. The device includes an LED for illumination, a touch-safe cover, and a highly efficient heat sink. It also features a low power consumption and high switching speed.Application FieldsThe CD2425W3VR solid state relay can be used in various applications such as AC/DC switch control, low power control, lamp dimming, motor speed control, temperature control, and motor drive. It is suitable for use in factory automation, process control, mobile machinery, and HVAC systems.Working PrincipleThe CD2425W3VR solid state relay works on the principle of PCM (Pulse Code Modulation). It consists of an opto-isolator to enable electrical isolation between the input and output. The opto-isolator consists of an LED and a photodiode. The LED is used to switch the relay, while the photodiode is used to detect the status of the relay and generate an appropriate output.The device is triggered by a control signal which is applied to the non-isolated control input (the LED side). This control signal is modulated to produce a binary code which is then read by the opto-isolator. This binary code is used to determine the status of the relay. If the control signal is high, the LED will be on and the relay will be switched on, and if the control signal is low, the LED will be switched off and the relay will be switched off. The output of the opto-isolator is then fed to the output circuit, which is connected to the load. The load is then switched according to the status of the relay.Conclusion The CD2425W3VR is a type of solid state relay. It is a two-stage control device, designed for general-purpose electrical control equipment. The device has a wide range of applications and can be used in various applications such as AC/DC switch control, low power control, lamp dimming, motor speed control, temperature control, and motor drive. The device works on the principle of PCM (Pulse Code Modulation). It incorporates an opto-isolator to enable electrical isolation between the input and output, and an LED to switch the relay.

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