Westinghouse Electric AO-30 Overload Thermal Unit

Description:

The Westinghouse AO-30 Thermal Unit Heater Element is used in industrial motor control systems requiring dependable overload protection for automated equipment and machinery. Commonly installed in motor starters, control panels, conveyor systems, compressors, and manufacturing equipment operating in commercial and industrial facilities. Maintenance teams, OEM technicians, and system integrators use this Westinghouse heater element for replacement, retrofit, overload relay servicing, and motor protection maintenance applications.

Applications:

The Westinghouse AO-30 Thermal Unit Heater Element is used for thermal overload protection in industrial motor starter and control systems. Typical applications include motor control centers, industrial pumps, material handling equipment, processing machinery, and factory automation systems requiring reliable overload heater element performance.

Technical Specifications:

• Manufacturer Part Number (MPN): AO-30
• Brand: Westinghouse
• Product Type: Thermal Unit Heater Element
• Current Rating: 3 Amp
• Function: Thermal Overload Protection
• Application Type: Industrial Motor Control
• System Compatibility: Motor Starters and Overload Relays
• Industrial Use: Automated Machinery and Process Equipment
• Installation Type: Relay and Starter Mounted Component
• Operating Environment: Commercial and Industrial Facilities

Common Replacements:

• Eaton H2003B Heater Element
• Allen-Bradley W30 Heater Element
• Square D B3.00 Thermal Unit