The Allen-Bradley W45 Thermal Overload Relay Heater Element is engineered to provide reliable motor protection by preventing overheating and potential damage.
Key Features
- Type: Eutectic Alloy Overload Relay Heater Element
- Application: Designed for use with Bulletin 500 Line Starters
- Trip Class: Class 20 Protection
- Size Compatibility:
- Size 00 to 0: Full Load Amps 5.36
- Size 1: Full Load Amps 5.18
- Ambient Temperature Ratings:
- Controller: 40°C (104°F)
- Motor: 40°C (104°F)
- Service Factor: Greater than or equal to 1.15
Specifications
- Manufacturer Part Number: W45
- UPC: 781180153983
- Weight: Approximately 0.05 lbs (25 grams)
- Dimensions:
- Length: 1.7299 inches
- Width: 1.3799 inches
- Height: 0.75 inches
The W45 heater element is an integral component in safeguarding motors against thermal overloads, ensuring operational efficiency and longevity.









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