CMRD4855

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Solid State Relays (SSRs) are a type of electronic component used to control the amount of power being used in an electronic circuit. The CMRD4855 is a type of Solid State Relay (SSR) that is used to remotely switch electrical power to other connected circuits. It is an opto-isolated SSR, essentially an optically isolated Digital Output. It is often used in automation and lighting control applications. CMRD4855 utilizes an LED plus a phototransistor to control the output.

The main features of the CMRD4855 Solid State Relays are:

• High-speed switching: up to 100KHz.
• Input voltage range from 5V to 30V.
• Voltage unipolar switching.
• Phototransistor optically isolated gate.
• High current output capability up to 8A.
• High temperature range of -40°C to +100°C.

The working principle of the CMRD4855 is based on the electrical property called “optical coupling”. Optical coupling is the process in which two circuits are electrically isolated but connected through an optical medium. The optical medium acts as a light barrier, preventing unwanted current surges from one circuit to the other. An LED and a phototransistor are the main components of the CMRD4855. The LED emits light, and the phototransistor is used to detect the presence of light. When the LED is activated, the output of the phototransistor switches to the “ON” state, allowing electrical power to flow to the connected circuits. When the LED is turned off, the output of the phototransistor switches to the “OFF” state, stopping any current flow to the connected circuits.

The CMRD4855 SSR is mainly used in automation, lighting control and motor control applications. It is used in automation and lighting systems to remotely switch electrical power to various circuits, such as light fixtures, motors and pumps. It is also used in motor control applications to control the power supply to the motor. This type of SSR is ideal for these applications because of its high speed switching and high current output capabilities.

The CMRD4855 Solid State Relays are simple and reliable components that can be used in a wide variety of applications. Its opto-isolated design and high temperature range make it a great choice for switching electrical power in automation and lighting control applications.

The specific data is subject to PDF, and the above content is for reference