MSD Ignition Relay Block (MPN: 75643)

Streamline your electrical connections with a versatile relay block.

The MSD Ignition Relay Block is designed to simplify wiring by replacing four standard relays with a single, compact module. This relay block features four independent channels that can be activated using either power or ground, making it versatile for various applications. Each channel can handle up to 50 Amperes for short bursts or 20 Amperes of continuous current, allowing for a total of 200 Amperes momentarily or 80 Amperes continuously across all channels. This capability makes it suitable for controlling electric fans, water pumps, nitrous solenoids, auxiliary lighting, and other electrical accessories that typically require relays.

In addition to its robust performance, the relay block includes built-in automatic over-temperature, short circuit, and overload protection to ensure safe operation. Diagnostic LED indicators provide real-time feedback on the status of each channel, facilitating troubleshooting and ensuring proper wiring. The relay block can be easily mounted using the supplied hardware, and its mounting tabs can be rotated 90 degrees to fit various installation locations. The clean and compact design of the MSD Ignition Relay Block enhances the organization of your wiring project.

Features

• 4 Channels, Up To 50 Ampere Each
• Features A Automatic Over Temperature, Short Circuit And Overload Protection
• Diagnostic LED’s
• Multiple Mounting Options
• Activate With Power Or Ground
• Channels Can Be Run In Parallel For Devices Requiring More Than The Single-Channel Rating
• Can Easily Be Mounted Using The Supplied Hardware And Mounting Tabs That Can Be Rotated 90 Degree To Accommodate Various Mounting Locations

Specifications

• Manufacturer: MSD Ignition
• Manufacturer Part Number: 75643
• Holds: 4 Relay
• Ampere Rating (A): 50 Amp

Technical Documents

• frm34288_7564_75643_lowres.pdf
• msd_brand_warranties.pdf

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