TE Connectivity Potter & Brumfield Relays D3009: Overview, Features, and Applications

The TE Connectivity Potter & Brumfield relay D3009 is part of the KUHP Series. This series of relays are hermetically sealed, sensitive coil, high voltage relays with DPDT or 3PDT configuration. Here is an overview of the D3009 relay:

Relays D3009


The TE Connectivity Potter & Brumfield relay D3009 is a hermetically sealed, sensitive coil, high voltage relay. It is designed for applications that require a high level of reliability and performance, such as in aerospace, defense, and other high-end industrial applications.


Some typical features of the D3009 relay may include:

  1. Hermetically Sealed: The hermetic sealing provides protection from environmental factors such as moisture, dust, and other contaminants, making the relay suitable for harsh operating conditions.

  2. High Voltage Capability: The relay is capable of switching high voltages, making it suitable for high power applications.

  3. Sensitive Coil: It is designed with a sensitive coil which consumes low power, making it suitable for applications where power efficiency is essential.

  4. DPDT or 3PDT Configuration: The D3009 relay is available in both double-pole double-throw (DPDT) and triple-pole double-throw (3PDT) configurations, offering flexibility for different application requirements.

  5. Reliability: Designed to meet stringent reliability standards for use in critical applications.

  6. Low Signal Loss: The relay is designed to minimize signal loss and distortion, making it suitable for precision applications.

  7. Long Electrical and Mechanical Life: Provides longevity in service, reducing maintenance requirements.


The D3009 relay, being a high voltage hermetically sealed relay, is generally suitable for diverse applications including:

  1. Aerospace and Defense: These relays are often used in aerospace and defense applications where reliability and performance under demanding conditions are critical.

  2. Industrial Automation: Suitable for high voltage switching in industrial control and automation systems.

  3. Test and Measurement Equipment: Used in high precision test and measurement instruments where low signal loss and high reliability are essential.

  4. Telecommunications: Applied in telecommunications infrastructure due to its ability to handle high voltages and its reliability characteristics.

  5. Medical Equipment: Can be found in medical instruments that require high reliability and precision switching capabilities.

  6. Power Distribution Systems: Used for high voltage switching and isolation in power distribution systems.

  7. Alternative Energy Systems: Applied in solar and wind energy systems where high voltage switching is required.

It's important to note that the D3009 relay, being a specialized component, is intended for use in specific applications where its unique features and high performance characteristics are necessary. Always be sure to consult the relay's datasheet and any application notes provided by the manufacturer to ensure its suitability for your particular application.

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