The 5 HP Pump Start Relay Single Phase is a durable and reliable mechanical relay designed to control pumps in irrigation systems and other outdoor applications. Rated for 5 HP pumps, it operates on 110V or 120V single-phase power and is compatible with standard 24 VAC controllers. This relay is ideal for both residential and commercial use, providing efficient pump operation by controlling when the pump starts and stops. Its mechanical design ensures long-lasting performance and reliability, making it perfect for maintaining consistent water flow and pressure in landscaping and irrigation systems.