The H1055A is a 1/2 HP Leeson Electric Motor designed for optimal performance at 1140 RPM. This motor is an OAO (Open Air Over) type, providing efficient cooling for extended operation. It operates on a 3-phase power supply with a voltage rating of 200-2, 460, and 56Hz, making it versatile for various applications. The motor's robust construction ensures longevity and reliability, while its compact size allows for easy integration into existing systems. This model has been replaced by the 056T11ORR40009A2, ensuring continued support and availability.