MSD 75643 Black Solid State Relay, 4 Channel

Is your wiring a mess? Clean it up with a MSD Solid State Relay Block. This module takes the place of 4 standard relays and eliminates unsightly wiring. 4 independent channels can be activated using either power or ground. Each channel is capable of handling up to 20 Amps of continuous current providing up to 80 Amps of power. Controls electric fans, water pumps, nitrous solenoids, auxiliary lighting and any other electrical accessories that would normally require a relay.

LED status indicators ensure proper wiring and operation of each channel. Should a problem arise, the relay block has built-in automatic over-temp, short circuit and overload protection. The 75643 can easily be mounted using the supplied hardware and mounting tabs that can be rotated 90° to accommodate various mounting locations. It’s compact and clean design will make your wiring project a breeze.

Features:

• 4 Channels, 20 Amps each
• Clean, easy install with minimum wiring
• Over temp, 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 20A single-channel rating

Installation Instructions (PDF)