Electrical Protection Heavy Duty Relay Built-in Diode High-power Terminals

12 for AWG Harness: The relay socket includes 12 for AWG and 16 for AWG wires. 30A40A Relay: These 4 pin relays are designed for heavy-duty use and can handle 30A40A at 12/24V. It is good for automotive, car, truck, marine boat, and various other applications.

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