The GRACO 557273 is a 1/2 horsepower, 3-phase electric motor designed for use in GRACO’s medium-duty pumps and metering lubrication equipment. It is constructed for industrial environments and is intended to drive lubrication pumps, ensuring reliable and consistent delivery of lubricants to machinery.

Key Features:

• Electric motor
• 1/2 HP, 1140 RPM, 230/460V, 3-phase
• Industrial-grade, robust design for medium-duty applications
• Compatible with GRACO Lubemaster® and similar medium-duty lubrication pumps
• Designed for reliable operation in industrial settings
• Suitable for wall or floor mounting
• Integrates with GRACO’s mounting hardware and coupler systems
• Supports various low-level switch options for pump control

Applications:
Used in industrial lubrication systems for machinery requiring consistent and automated lubrication, such as in manufacturing, mining, and agricultural equipment.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the lubrication system.
• Ensure correct voltage and phase match (230/460V, 3-phase)
• Follow GRACO’s recommended mounting procedures for wall or floor installation
• Use all provided mounting hardware, coupler, and coupler guard for safe operation
• Consult the equipment manual for wiring and safety instructions
• Regularly inspect motor and mounting hardware for wear or damage
• Ensure electrical connections are secure and free from corrosion
• Follow GRACO’s maintenance schedule for lubrication equipment