Conduct-Tite™ Relay (4 Pin, 30 Amp, 12 Volt) by Dorman®. Amperage: 30 Amp. Voltage: 12V. Terminal Gender: Male, Terminal Material: Plastic, Terminal Type: Blade, Wire Gauge: Not Applicable. Dorman offers a comprehensive line of Relay Connectors for a wide range of applications. All the Relay Connectors are constructed of high-quality materials for long-lasting durability.