CWD4825

Series:	CW48
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Chassis Mount
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	4 ~ 32VDC
Voltage - Load:	48V ~ 660V
Load Current:	25A
Termination Style:	Screw Terminal
Package / Case:	Hockey Puck
Supplier Device Package:	--

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The CWD4825 solid state relay (or optocoupler relay, referred to as SSR) is one of the commonly used industrial electronic components. It is mainly composed of a set of optocouplers and a set of triode devices. It can be used in various automatic control systems as an amplified switch to achieve the purpose of controlling the circuit on and off. The CWD4825 SSR uses a set of optocouplers as its core component. The optocoupler consists of a light-emitting diode (LED) and a light-sensing device. When no current passes through the LED, the optocoupler remains in the normally off state. When current passes through the LED, the light energy generated by the LED is absorbed by the light-sensing device, and the light-sensing devices cut off the current state and enter the conducting state. The CWD4825 SSR uses a set of triode devices to amplify the optocoupler signal. First, the LED control current passes through the optocoupler, and the optocoupler enters the conduction state. The current controlled by the optocoupler reaches the first power supply VCC1, then passes through the relay triode, and the triode enters the conduction state. In this way, the load voltage VCC2 also reaches the relay triode, causing the relay triode to enter the conduction state, and the relay is turned on and the load can be powered. The CWD4825 SSR can be widely used in refrigerators, coolers, various temperature controllers, motor controllers, power controllers, pumps, industrial stoves, electrical switches and other home appliances, and can be used as a control medium in many automation control systems. It can alternately drive a motor to complete the two-speed and three-speed operation of a motor, or output two signals. The advantages of using CWD4825 SSR are high reliability, low cost, fast response and long life. In addition, the CWD4825 SSR also has a variety of protection functions to provide customers with a more reliable and stable product. The built-in high voltage and low voltage protection function ensures the safe operation of the electrical components. At the same time, the overheating protection function is embedded in the SSR to prevent the relay from working on high temperature conditions. A quick response and recovery function is also adopted to protect the components from damage while ensuring high responsiveness and fast operation. The CWD4825 SSR can be used in various automatic control systems. The working principle is relatively simple and practical. With the development of advanced automation technology, the application and practical value of the CWD4825 SSR are increasingly revealed. At present, it has become an indispensable industrial electronic component in the electronic industry.

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