SL0902A420SM Circuit Protection

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Gas Discharge Tube Arresters (GDTs) are used for electrical protection in order to protect power distribution systems and electrical equipment from surges and lightning strikes. The SL0902A420SM is a GDT arrester specifically designed to protect industrial and commercial electrical systems, with a nominal voltage of 420VDC.

The SL0902A420SM GDT is designed to prevent the damage caused by over-voltage surges and lightning that pass through a power system. It accomplishes this by providing a low-impedance discharge path for these high-energy flashovers, allowing them to be safely conducted away from circuits and equipment.

The SL0902A420SM arrester is a field proven product with an excellent reputation for performance and reliability. It is available in two forms, a free-standing unit and as embedded modules, and is suitable for both indoor and outdoor installations. The unit is designed to respond quickly to surges and lightning and can be adjusted to the local environment by changing its capacitance.

The design features of the SL0902A420SM arrester are optimized to provide protection and reliability. The arrester utilizes insulated elements, allowing it to maintain a low-resistance path even at high voltages. The design also includes an internal surge protection circuit that will shut down the arrester in the event of a surge that exceeds its wide operational range. The surge protection circuit is designed to reset automatically after the event, allowing the arrester to be restored without manual intervention.

The SL0902A420SM arrester is capable of withstanding high impulse voltages in excess of 2500V, and is rated for operation at a peak DC voltage up to 420V. The arrester does not require any periodic inspection or maintenance, and is designed to function reliably for many years. The unit is also designed to prevent damage from wiring errors, reverse polarity, and other user errors, and is UL listed for safe operation.

The SL0902A420SM GDT arrester is an excellent choice for any electrical system that requires surge protection from lightning or other external disturbances. Its simple design provides reliable protection for many years, with minimal downtime or maintenance requirements. The unit is relatively inexpensive and easily installed, making it an ideal solution for a wide variety of applications.

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