Overview
The Allen-Bradley W60 is a eutectic alloy thermal overload heater element designed for reliable motor circuit protection. This lot includes 4 units, each rated at 19.4–25 Amps and classified as Class 20 protection. The W60 is a Type W heater element commonly used in Bulletin 500 line starters and overload relays to prevent motor damage from sustained overload conditions. With a compact, field-replaceable design, the W60 provides dependable trip performance recommended for general industrial applications.
Key Features
- Class 20 trip protection for general industrial motor applications
- Eutectic alloy construction ensures reliable, predictable thermal response
- Compatible with Bulletin 500 line motor starters and thermal overload relays
- Type W heater element—industry-standard replacement across many starter models
- Manual reset design for controlled restart after thermal event
- Lot of 4 units—stock spares for maintenance and replacement operations
Technical Specifications
The following specifications apply to each heater element in this lot:
- Current Rating: 19.4–25 Amps
- Trip Class: Class 20
- Type: Heater Element (Type W)
- Alloy Type: Eutectic
- Reset Type: Manual
- Applicable Starter Series: Bulletin 500 Line Starters
- Application Standard: KC (NEMA)
- Weight (per unit): 0.05 lbs
- Manufacturer: Rockwell Automation (Allen-Bradley)
Typical Applications
The Allen-Bradley W60 is widely used in motor control circuits where Class 20 overload protection meets industrial needs:
- Three-phase squirrel-cage induction motor protection
- HVAC and fan motor starters
- Pump and compressor motor circuits
- General factory automation and process control
- Maintenance replacement for worn or tripped heater elements in existing starters
Compatibility & Replacements
Compatible With
- Allen-Bradley Bulletin 500 line motor starters and contactors
- Rockwell Automation thermal overload relays using Type W heater elements
- NEMA-standard motor control enclosures and panels
- Eutectic-type overload relay bases
Replaces / Drop-In Replacement For
The W60 is a direct replacement for any Bulletin 500 starter or overload relay equipped with a Type W heater socket rated for 19.4–25 Amps. Verify your application’s specific full-load amp requirement (Size 00/0, Size 1, or Size 2) with your starter documentation before ordering. Consult your system integrator or original equipment documentation to confirm exact compatibility with your motor control circuit.
Works With
- Bulletin 100/500/609/1200 line overload relay bases (Type W heater-compatible)
- Thermal overload relay reset mechanisms (manual or automatic)
- NEMA-rated motor control circuits and protective devices
- Industrial automation PLC and relay logic circuits requiring overload protection
