Westinghouse REL 644277R Thermal Overload Relay 600VAC F89

Description:

The WESTINGHOUSE REL 644277R Thermal Overload Relay 600VAC is used for motor overload protection and thermal trip control in industrial motor control systems. Commonly installed in motor starters, industrial control panels, manufacturing equipment, and automation machinery. Maintenance teams, electricians, and system integrators use this thermal overload relay for motor protection replacement, electrical maintenance, overload protection upgrades, and reliable industrial motor operation.

Applications:

The WESTINGHOUSE REL 644277R Thermal Overload Relay is used in industrial electrical systems requiring dependable thermal overload protection for motors, compressors, pumps, conveyors, and heavy-duty machinery. It is commonly applied in manufacturing facilities, HVAC systems, processing plants, automation equipment, and industrial motor control centers where reliable overload sensing, motor protection, and continuous equipment performance are critical for operational efficiency and system safety.

Technical Specifications:

• Brand: WESTINGHOUSE
• Part Number: REL 644277R
• Product Type: Thermal Overload Relay
• Voltage Rating: 600 VAC
• Relay Type: Thermal motor overload protection relay
• Application: Motor overload and thermal protection
• System Compatibility: Motor starters and industrial control systems
• Function: Thermal overload sensing and trip protection
• Mounting Type: Panel or starter assembly mounting
• Construction Type: Industrial-grade electromechanical overload relay
• Installation Environment: Industrial automation and motor control systems
• Electrical Function: Motor overload interruption and protection
• Usage: Industrial machinery and motor applications
• Industrial Application: Manufacturing and process automation
• Maintenance Function: Electrical system replacement and repair

Common Replacements:

• Eaton Thermal Overload Relay
• Siemens SIRIUS Thermal Overload Relay
• Allen-Bradley Bulletin 193 Overload Relay