Overview
The Allen-Bradley W44 is a Type W eutectic alloy heater element engineered for thermal overload protection in industrial motor control systems. This replacement component is designed for Bulletin 500 line starters and provides Class 20 trip protection. The W44 delivers consistent, reliable thermal sensing for safe equipment operation in manufacturing, facilities management, and control automation applications.
Key Features
- W Series, Type W heater element with eutectic alloy construction
- 4.46 Amp maximum current rating
- Class 20 trip protection classification
- Manual reset configuration
- Compatible with thermal overload relays and magnetic motor starters
- Bulletin 500 line starter compatible
Technical Specifications
- Current Rating: 4.46 Amps
- Heater Type: Eutectic Alloy
- Series: W Series
- Protection Class: Class 20
- Reset Type: Manual
- Application: Thermal overload relays, motor starters
- Mounting: Standard NEMA configuration
Typical Applications
The Allen-Bradley W44 is widely used in:
- Magnetic motor starters for AC/DC motors
- Thermal overload protection circuits
- Industrial motor control panels
- Equipment control systems requiring Class 20 protection
- Bulletin 500 line motor control devices
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 500 line starters and contactors
- Thermal overload relays (NEMA standard)
- AC and DC motor control circuits
- Magnetic motor starter assemblies
- Industrial motor protection systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The W44 is a direct replacement for original Allen-Bradley W44 heater elements in existing installations.
Works With
- NEMA standard thermal overload relay bases
- Bulletin 500 line contactors and starters
- Manual reset overload configurations
- Class 20 protection circuits
- Industrial control automation platforms
