[ PURPOSE] Works with both single phase and 3 phase motors for versatile use; [SAFE AND ] Made of flame retardant ABS shell for circuit safety and peace of mind; [EASY TO USE] Manual reset button with the option for automatic reset for added convenience; [SIMPLE WIRING] Four perforated holes for easy connection to your circuit; [BUILT-IN OVERLOAD FUNCTION] Adjustable overload function from 9A to 13A for optimal performance

What's in the box
1 x Control Relays