









⚡ Power your projects with precision and ease—because your gear deserves the best.
The MSD 75643-HC is a high-current solid state relay featuring four independent channels rated at 35 Amps each, with the ability to handle surges up to 100 Amps for short bursts. Designed for professional-grade applications, it offers flexible parallel channel operation, screw-type connectors for clean installation, and robust copper alloy contacts for reliable, silent switching. Compact and versatile, it mounts easily on chassis or panels, making it an essential component for demanding electrical control systems.
| Connector Type | Screw |
| Contact Material | Copper Alloy |
| Contact Type | Solid-state |
| Current Rating | 35 Amps |
| Mounting Type | Chassis Mount or Panel Mount |
| Brand | MSD |
| Operation Mode | Automatic |
| Wattage | 2.8E+3 |
| Coil Resistance | 35 Ohms |
| Contact Current Rating | 35 Amps |
| Minimum Switching Voltage | 7 Volts (DC) |
| Specification Met | Yes, Meets Industry Standards |
| UPC | 090127108406 |
| Item Package Dimensions L x W x H | 6.54 x 6.3 x 3.27 inches |
| Package Weight | 0.37 Kilograms |
| Item Dimensions LxWxH | 7 x 7 x 3 inches |
| Item Weight | 0.7 Pounds |
| Brand Name | MSD |
| Warranty Description | Warranty |
| Model Name | MSD 75643-HC: High-Current Solid State Relay 35Ax4, Blk , Black |
| Color | Black |
| Material | Plastic |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Manufacturer | MSD |
| Part Number | 75643-HC |
| Included Components | MSD 75643-HC: High-Current Solid State Relay 35Ax4, Blk , Black |
| Size | No Size |
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