ASSR-4128-002E

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Solid state relays are electromagnetic switches that activate a circuit when a signal is sensed. They are commonly used in automated systems, such as HVAC systems, to turn on and off circuits based on particular criteria. The ASSR-4128-002E is a Solid State Relay designed for use in industrial automation systems and high-power applications. This article will discuss the application field and working principle of the ASSR-4128-002E.

The ASSR-4128-002E is a three-phase, zero-crossing, solid state relay with 1500V of isolation. It has a maximum load of 30A and a switching voltage of 27V. This makes it suitable for controlling and supplying high-power loads such as motors, solenoids, and heaters. It is also designed for applications with system power up to 3000VAC, making it an ideal choice for industrial automation systems and HVAC systems.

The ASSR-4128-002E has a built-in snubber circuit to reduce voltage spikes caused by load switching, as well as a countermeasure circuit for over-voltage protection. The snubber circuit also helps to reduce noise and improve the relay\'s life expectancy. The relay offers a high surge rating of 25,000A, making it suitable for use in high-voltage applications.

The ASSR-4128-002E is a closed-loop solid state relay that utilizes zero-crossing detection. When a signal is input, the zero-crossing circuits detect the frequency, and an internal logic microcontroller compares the frequency to the setting to determine if the circuit should be activated. If the signal is within the set frequency range, the relay will activate and the load will be supplied with power. If the frequency is outside the set range the relay will not activate and the load will remain in its current state.

The ASSR-4128-002E is designed with an internal temperature sensing feature. If the temperature of the device gets too high, a thermal shut-off protection circuit will be triggered, preventing the relay from activating until the temperature has dropped to a safe level. This feature helps to protect the relay from damage caused by overheating and prolong its life expectancy.

The ASSR-4128-002E is a high-performance, high-power solid state relay designed for use in industrial automation systems and HVAC systems. It has a high surge rating that makes it suitable for high-voltage applications, as well as a temperature sensing feature and snubber circuits for improved reliability. With its zero-crossing detection and current limiting features, the ASSR-4128-002E is an ideal choice for controlling and supplying high-power loads.

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