LEG66-37615-4-V Circuit Protection

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Circuit breakers are an essential device used in electrical systems to protect the system, its components, and people from damage caused by high current levels. The LEG66-37615-4-V is an electronic circuit breaker designed and manufactured by Gieshken Applied Technology (GAT) and is suitable for use in a wide range of applications, including intermediate line protection in industrial and commercial applications.

The LEG66-37615-4-V circuit breaker utilizes Solid State Power Handling Devices (SPHDs) to respond quickly to over-currents and short circuits. SPHDs, commonly known as thyristors, are power semiconductor devices used in circuit breakers and other control and protection applications. They are typically found as part of a thyristor matched pair circuit (TMPC) and are designed to activate or deactivate electronic circuits.

The LEG66-37615-4-V has a TMS-MSP control system which provides adjustable current trip settings for accurate sensing of the current. The trip settings can be adjusted to prevent nuisance tripping due to high inrush currents. The TMS-MSP system also provides a reset feature which allows the circuit breaker to automatically reset after an overcurrent condition.

The LEG66-37615-4-V utilizes a solid-state detection system which allows for fast response times when detecting an over-current or short circuit situation. This detection system uses a tolerance sensing network which detects changes in current. The system immediately sends a signal to the control system when an over-current or short circuit is detected, allowing the breaker to quickly shut off the circuit and protect the system.

The LEG66-37615-4-V is equipped with a visual indicator light that displays the current status of the breaker. The indicator light is red when the breaker is in the trip mode and green when it is in the on position. The LEG66-37615-4-V also has an override switch which allows the user to manually override the automatic trip function. This feature is useful in situations where the user needs to manually reset the breaker after an overload or short circuit situation.

The LEG66-37615-4-V is a highly reliable circuit breaker suitable for use in a wide range of applications, from residential and commercial to industrial and manufacturing applications. It is a versatile device providing fast response times, adjustable trip settings, and an easy-to-understand visual indicator light. The LEG66-37615-4-V is designed and manufactured to GAT\'s high standards of quality to ensure safe and reliable operation for years to come.

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