PDTC143EU/ZLX

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PDTC143EU is a type of Thyristor designed to protect electrical installations against overvoltages. It is specifically designed to provide a self-protecting overvoltage protection unit in response to externally applied overvoltages. The Thyristor is designed to switch off automatically when the overvoltage is detected, thus providing an effective and reliable protection against overvoltage.

The Thyristor is designed to operate in three different modes: normal, triggered open fast (TOF), and triggered open reset (TOR). In the normal mode, the Thyristor operates at nominal voltage levels and is inactive when below the threshold levels. In the triggered open fast (TOF) mode, the Thyristor responds to a transient overvoltage or an excessive voltage surge, and switches off automatically. In the triggered open reset (TOR) mode, the Thyristor responds to an externally applied overvoltage and switches off automatically until it is reset.

The PDTC143EU Thyristor is designed to be used in a variety of electrical systems, including industrial, domestic, automotive and telecommunications systems. It is used in a wide range of applications, including: overvoltage protection of single-phase and three-phase power lines, protection of equipment, protection of cables and busbars. It can also be used to protect industrial machines and systems from overvoltage, as well as to provide isolation between two parts of a circuit.

The working principle of the PDTC143EU Thyristor involves the utilization of an electrostatic field for triggering the device. When an overvoltage is applied, the Thyristor will instantaneously switch off, thus protecting the electrical system. The device can also be triggered manually by pressing a switch. The resetting of the device is accomplished by the application of a pulse current, typically generated when the overvoltage is removed. If the overvoltage persists, the Thyristor will remain triggered until the resetting pulse is applied and will not reset until the threshold voltage is reached.

The PDTC143EU Thyristor is capable of performing reliably and accurately in a wide range of operating conditions. It is designed to be a cost-effective and reliable solution for protecting a variety of electrical systems and equipment from overvoltages. Its compact size and simple installation make it an ideal solution for a wide variety of applications.

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