40 amp waterproof relay are designed to be used in environments where there may be exposure to moisture, such as in marine or outdoor applications. These relays typically have a waterproof sealing material around the contacts and coil to prevent water from getting inside the relay. They are commonly used in automotive applications such as in car alarm systems, power door locks, and other electrical systems.

General Specifications and Features of Waterproof Automotive Relays

01

Contact rating: typically between 10A to 40A, depending on the specific relay model

02

Coil voltage: typically 12VDC or 24VDC, but can vary depending on the specific relay model

03

Coil power: typically less than 1W

04

Contact resistance: typically less than 100mΩ (initial)

05

Insulation resistance: typically greater than 100MΩ (500VDC)

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