Overview
The Allen-Bradley W32 is a precision-engineered thermal overload heater element built for dependable motor protection in industrial control systems. As a eutectic alloy thermal unit, it provides consistent overload detection and Class 20 protection for Bulletin 500 line starters. The W32 is a drop-in replacement component for existing thermal overload relay assemblies, ensuring minimal downtime during maintenance or system upgrades.
Key Features
- Eutectic alloy construction for stable, repeatable thermal response
- Class 20 overload protection rating for reliable motor safety
- Designed for Bulletin 500 line starters and thermal overload relays
- Compatible with Allen-Bradley magnetic motor starters and motor controls
- Compact, proven design trusted by controls engineers and maintenance technicians
Technical Specifications
- Part Number: W32
- Type: W Series Heater Element
- Material: Eutectic Alloy
- Current Rating (Size 00-0): 1.55 A
- Current Rating (Size 1): 1.51 A
- Protection Class: Class 20
- Application: Bulletin 500 Line Starters
- Weight: 0.05 lbs
- Condition: New in Box
- Quantity Per Package: 2 units
Typical Applications
- Thermal overload relay assemblies in AC motor starters
- Magnetic motor starter protection circuits
- Fractional horsepower motor control systems
- Industrial machinery motor branch protection
- OEM equipment overload relay replacements
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 500 line starters
- Allen-Bradley thermal overload relay assemblies
- Magnetic motor starters with thermal protection
- AC motor control circuits
- Industrial motor branch protection systems
Replaces / Drop-In Replacement For
- Allen-Bradley W32 thermal overload heater units
- Older or failed heater elements in Bulletin 500 starters
- OEM thermal protection components rated for similar current ranges
Works With
- Allen-Bradley motor control centers (MCCs)
- NEMA-rated magnetic motor starters
- Industrial control panel assemblies
- Standard 50/60 Hz AC power distribution systems
