MSD High-Current Solid-State Relay 4-Channel 35A Black 75643-HC

MSD High-Current Solid State Relay 35 Amp x 4 Black 75643-HC

The MSD High-Current Solid State Relay 75643-HC is a versatile and efficient solution for managing high-power electrical components in automotive applications. Designed to replace traditional mechanical relays, this solid-state relay offers enhanced reliability and performance, handling up to 35 amps per channel across four independent channels, totaling 140 amps of continuous current. Its compact design simplifies wiring, making it ideal for controlling electric fans, water pumps, nitrous solenoids, auxiliary lighting, and other electrical accessories that typically require relays.

• Operates from a 7-volt to 20-volt supply, accommodating a wide range of electrical systems.
• Each of the four independent channels can handle 35 amps continuously or 100 amps for up to 8 seconds, providing flexibility for various applications.
• Features Pulse Width Modulation (PWM) capability, allowing control of output at a rate of 15 hertz with a duty cycle range from 50% to 90%, suitable for devices requiring variable power.
• Equipped with diagnostic LEDs and status indicators to ensure proper wiring and operation of each channel.
• Includes over-temperature, short circuit, and overload protection, along with a channel reset function for enhanced safety and reliability.

• Operating Voltage: 7-20 volts
• Channel Configuration: 4 independent channels
• Current Handling: 35 amps continuous per channel; 100 amps for 8 seconds per channel
• Total Continuous Current Rating: 140 amps
• Pulse Width Modulation (PWM): Up to 15 hertz frequency; 50-90% duty cycle
• Protection Features: Over-temperature, short circuit, overload protection; channel reset
• Mounting Options: Multiple mounting options with 90° rotatable mounting tabs
• Activation Method: Single-wire activation by switching power or ground
• Color Options: Available in black and red
• Emissions Compliance: Legal for sale or use on emissions-controlled vehicles, uncontrolled vehicles, and racing use only vehicles