MSD 7564 User Manual

FEATURES
• 5 to 20 volt supply
• Four Independent 20A branches
• Automatic Over-temp Protection
• Short circuit protection
• Versatile mounting options
• Single-wire activation by switching
power or ground
• LED Status indicators
• Combined total continuous current
rating of 80 amps
OPERATION
The main power supply to the unit should originate at the positive battery post. There are four
independent branches. Each branch is thermally protected against overload and electrical short.
Once the protection circuit has tripped, the activation signal needs to be removed and re-applied to
reset the affected channel(s).
MOUNTING
The Solid State Relay Module must be mounted in a sturdy, dry location and away from extreme heat.
The unit should not be immersed or subjected to direct spray from a power washer.
WARNING: LIVE BATTERY POWER:
Failure to follow these warnings may cause re, injury, property damage, or even
death.
All connections must be properly secured.
Use only automotive grade wire with adequate heat and uid resistance.
All wire gauges must be adequate for the current in the application.
WIRE SIZE SELECTION GUIDE
Current Rating AMP Minimum Wire Size AWG
80 4
60 6
20 12
Parts Included:
1 - MSD Solid State Relay Module
1 - Mounting Kit
WARNING: During installation, disconnect the battery cables. When disconnecting, always remove
the Negative cable first and install it last.
Solid State Relay Block
PN 7564 Red / PN 75643 Black
Figure 1 PN 7564 Stand Alone Solid State Relay

MSD 7564 Specifications

General

Type	Electromechanical Relay
Load Current	10A
Ambient Temperature	-40°C to +85°C
Load Voltage	250V AC/30V DC
Contact Form	1 Form C
Contact Rating	10A 250V AC/30V DC
Operate Time	10 ms (max)
Release Time	5 ms (max)
Insulation Resistance	1000MΩ min
Dielectric Strength	1500V AC for 1 min
Control Voltage	5V DC
Coil Voltage	5V DC

Summary

Product Features and Operation

Features

Details the capabilities of the Solid State Relay Block, including voltage, branch protection, and status indicators.

Operation

Explains the main power supply connection and how the protection circuits function and reset.

Installation and Wiring

Wiring Instructions

Guides on connecting the main power, ground, and activation wires for the relay module.

12V Activation

Describes how to activate the relay channels by applying 12V to the appropriate upper level terminals.

Ground Activation

Explains how to activate the relay channels by applying ground to the appropriate lower level terminals.

LED Indicators and Applications

LED Indicators

Details the function of diagnostic LEDs for troubleshooting wiring, short circuits, or excessive current.

Typical Applications

Illustrates common wiring setups for the Solid State Relay Module, including fan and fuel pump connections.

Service and Warranty

Paired Channel Application

Shows a wiring diagram for combining channels for devices requiring higher current ratings.

Service Information

Outlines the process for warranty repairs, including proof of purchase and Return Material Authorization (RMA).