PS7205B-1A-A

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Introduction

The PS7205B-1A-A is a Solid State Relay (SSR) that was developed by EITEX Electronic Company. SSRs are increasingly being used in the automation industry for controlling both analogue and digital signals. This article will discuss the application field of the PS7205B-1A-A SSR and the working principles that make it effective.

Applications

The PS7205B-1A-A is designed primarily for use in controlling actuators and motors in industrial environments. It can be used to switch on and off AC and DC loads in switching, lightening, heating, cooling and ventilation systems. It is suitable for industrial equipment including drilling machines, over-molding machines, CNC machines and printing machines.

The PS7205B-1A-A is also used in laboratory and medical instruments that require precise control of temperature and speed of motors. The SSR can be used in clean rooms and other environments that require highly sensitive temperature controls, where other types of relays are not suitable.

Working Principles

The working principle of the PS7205B-1A-A is based on a combination of silicon and silicon-controlled rectifier (SCR) technologies. The SSR contains two sides, a side for input and a side for output. Electric current flows through the input side, which is controlled by a pair of SCR gates. The electric current causes a voltage drop across the SCR gates, which triggers the SCR gates to close. When the SCR gates close, a circuit is completed, allowing current to flow in the output side.

The PS7205B-1A-A is designed to cut off the electric current automatically when the AC or DC load is disconnected from the output side. This is achieved by a protective device called an SCR chop, which will open the SCR gates when the electric current is cut off.

In addition to the SCR gates, the PS7205B-1A-A also contains a voltage regulator that prevents overvoltage and a current limiter that prevents overcurrent. These protective devices help to ensure that the SSR is able to operate safely and efficiently.

Conclusion

The PS7205B-1A-A is a Solid State Relay (SSR) that was developed by EITEX Electronic Company and is designed primarily for use in controlling actuators and motors in industrial environments. It can be used to switch on and off AC and DC loads in switching, lightening, heating, cooling and ventilation systems. The working principle of the PS7205B-1A-A is based on a combination of silicon and silicon-controlled rectifier (SCR) technologies. The SSR also contains a voltage regulator, a current limiter and an SCR chop, which all ensure its safe and efficient operation. As such, the PS7205B-1A-A is an ideal choice for applications that require precise control of temperature and speed of motors.

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