Overview
The Allen-Bradley W62 is a eutectic alloy thermal overload heater element designed for NEMA motor control and protection. This Type W heater element delivers Class 20 protection on Bulletin 500 line starters, delivering fast-acting overload relay performance for industrial automation applications.
Key Features
- Eutectic alloy construction for precise thermal response
- Class 20 trip classification for general industrial applications
- Manual reset mechanism prevents nuisance trips
- Compatible with Bulletin 500 line starters and magnetic motor starters
- Type W heater element rated for 23.3–30 amperes
Technical Specifications
The W62 heater element meets NEMA standards for thermal overload protection and is engineered for drop-in compatibility with Bulletin 500 motor control assemblies.
- Current Rating: 23.3–30 amps
- Type: Eutectic Alloy Heater Element
- Series: W (Type W)
- Trip Class: Class 20
- Reset Type: Manual
- Application: Bulletin 500 line starters, motor control
- Standard: NEMA (KC)
- Weight: 0.04 lb
Typical Applications
The Allen-Bradley W62 is widely used in:
- AC induction motor protection circuits
- Magnetic motor starter assemblies
- Thermal overload relay assemblies
- Industrial pump and fan motor control
- HVAC and compressor motor protection
- General-purpose motor control in machine tools and production lines
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 500 line starters
- Bulletin 100 and 609 line starters
- Standard NEMA-rated magnetic motor starters
- Thermal overload relay assemblies with Type W heater slots
Replaces / Drop-In Replacement For
The W62 is a direct replacement heater element for any existing W62 assembly or equivalent Class 20 heater applications in Bulletin 500 starters. Verify with your system integrator to confirm replacement compatibility with specific motor starter models and amperage requirements.
Works With
- Allen-Bradley Overload Relays (thermal type)
- NEMA-compliant motor control centers
- Manual and magnetic motor starters
- Class 20 protective relay schemes
- Industrial control panels and assemblies
