F1857SD400

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

The F1857SD400 is a type of thyristor or Silicon-Controlled Rectifier (SCR) module and usually comes in a common three-phase configuration for industrial applications. It is mainly used for motor speed and torque control, as well as phase angle firing in controlled rectifier power supply systems. It is also often used in the protection of medium-voltage circuit breakers.

The F1857SD400 module operates by utilizing two of its internal SCRs, connected in antiparallel, in order to control the current flow during operation. A single SCR is able to control the current flow between two terminals, while two connected SCRs are able to control the current in either direction. During operation, the F1857SD400 module triggers the internal SCRs in order to ensure that the specified amount of current is being regulated and controlled.

The F1857SD400 module contains a single-phase diode, which works alternately with the SCRs and enables the current to flow in the opposite direction. By alternating between the two active and static SCRs, the F1857SD400 module creates a voltage drop in the circuit, thus allowing the current to be released. The resulting magnetic field produced by the current is used to initiate current-controlled process control.

The F1857SD400 module also includes a temperature sensor and an over temperature protection system, which helps to protect the module against any excessive current and helps to prolong its life.

The F1857SD400 module also includes a number of built-in safety and protection features such as thermal protection, overload protection and current limitations. It also has a built-in fault signal output which is able to indicate if the module is malfunctioning.

The F1857SD400 module is designed for operation at high temperatures, with a maximum temperature rating of up to 200 degrees Celsius. It is also designed to be used in applications such as motor starters, variable speed drives, power supplies, motor control systems and electric heating systems.

Overall, the F1857SD400 module is a reliable and efficient type of SCR module that is suitable for industrial applications. It is designed to be a reliable and robust solution for controlling current in electric motors, as well as providing additional safety features.

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