25SST120

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 (SSR) are a type of electronic switch used for switching high-voltage AC and DC power in a circuit. They offer a reliable and cost-effective alternative to traditional electromechanical relays, providing improved reliability, lower power consumption, longer life expectancy and quieter operation. The 25SST120 Solid State Relay is a compact, self-contained solid state relay designed for switching loads up to 240V/1A. It features an SCR output for fast turn-on times, constant current control and high load current handling capability.

The 25SST120 is a 3-pin, through hole, packaged solid state relay, consisting of an SCR and a zero crossing detector. It has a maximum switching capacity of 240V/1A, with an operating temperature range of -30 to 80 degrees Celsius. It is designed to work with grounded loads and can be used for switching both Alternating Current (AC) and Direct Current (DC) applications.

The 25SST120 features a zero crossing detection circuit which enables precise timing control of the SCR at turn-on. This helps to minimize the effects of interference from harmonic noise and improve overall system performance. It also utilizes an input transistor to reduce the turn-on current and power consumption.

The 25SST120 features a dry contact input which is activated by turning on the load, and a normally open output that will close when the input is triggered. The output can be used to trigger alarms, indicating that the load has been activated. The input is also protected from overload and reverse polarity conditions.

The 25SST120 is commonly used in industrial applications such as heating elements, motor controls and lighting control systems. It can be used in switchboard, automation and process control applications. It is also used in laboratory and embedded control systems.

The 25SST120 operates on the principle of zero crossing detection. When the input voltage rises above a certain threshold, it triggers a timer which causes the SCR to switch on. This in turn triggers the output to switch on, causing the load to turn on or off. This principle is known as "zero crossing switching".

The 25SST120 solid state relay provides a highly reliable and effective switching solution for numerous applications. Its compact size, low power consumption and ability to protect from overload and reverse polarity all combine to make it a durable and cost-effective solution for power switching.

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