1971858-3

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Photovoltaic (PV) connectors and contacts refer to those components that are used in photovoltaic systems to transfer electrical power from one device to another, such as from the photovoltaic cell to the inverter. In addition, they serve to connect the external electrical equipment to the PV system, as well as providing protection of the internal components from over-temperature and overload conditions.

1971858-3 Application Field and Working Principle

The 1971858-3 is a photovoltaic connector and contact designed for use in photovoltaic systems. The contact is rated for up to 350VDC (direct current) with a current rating of up to 10A. It is suitable for a wide variety of photovoltaic applications, from rooftop solar installation to large-scale solar farms. The contact is made of a durable, corrosion-resistant, high-temperature polycarbonate material that has a long operational life.

The connector is a two-piece design, with a male (stackable) version on one side and a female version on the other. The two pieces are held together by a positive latching mechanism. The contacts are made of copper alloy and feature gold plating to help provide for excellent electrical connection and service life. An integrated seal and O-ring provides additional protection against water and dust ingress.

The working principle of the 1971858-3 is as follows: when the two pieces are brought together, the connection forms a low internal resistance, allowing electricity to flow between the two pieces. This low resistance connection, also known as an arc suppressor, prevents sparks from forming when the connector is disconnected, thus protecting against potential fire, shock, or control hazards.

The connector’s design also ensures a secure, reliable connection by using contact pads that are precisely sized to prevent accidental contact, yet wide enough to provide for maximum electrical transfer. Additionally, the connector is capable of self-cleaning, thus eliminating the need for cleaning and maintenance over time.

The 1971858-3 is a reliable, robust, and easy to use PV connector and contact. It can be used in a variety of photovoltaic applications, including rooftop solar installations, industrial and residential PV systems, and large-scale solar farms. It is designed to provide a secure, low-resistance connection with maximum electrical transfer, as well as offering protection from potential fire, shock, and control hazards.

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