Overview
The Allen-Bradley W36 overload heater element is a thermal protection component engineered for NEMA-compliant motor control systems. Constructed from eutectic alloy material and rated for Class 20 protection, this Type W element is designed for integration with Bulletin 500 line thermal overload relays and magnetic motor starters. With a current rating of 2.08 Amps, it is used for thermal overload relays, magnetic motor starters and motor controls.
Key Features
- Eutectic alloy construction for reliable thermal response
- Type W heater element with Class 20 operation, recommended for general applications
- Compact, lightweight design suitable for existing motor control assemblies
- Direct replacement for original W36 heater elements in Bulletin 500 starters
- Manual reset functionality for enhanced circuit protection
Technical Specifications
Key specifications for the W36 heater element are as follows:
Typical Applications
Type W heater elements are used in Bulletin 509 starters and overload relays, and the W36 is suited for industrial machinery and electrical equipment where thermal overload protection is required. Common applications include motor starter assemblies, magnetic contactors, and thermal overload relay kits. Maintenance technicians frequently stock this component as a critical replacement part to ensure motor protection system continuity in manufacturing, HVAC, and process automation environments.
Compatibility & Replacements
Compatible With
- Bulletin 500 line starters and motor control systems
- Thermal overload relays with eutectic alloy configuration
- Magnetic motor starters rated for NEMA general-purpose applications
- Motor control circuits requiring Class 20 overload protection
Replaces / Drop-In Replacement For
- Original equipment manufacturer (OEM) W36 heater elements in Bulletin 500 assemblies
- Equivalent thermal protection elements in obsolete or discontinued starter kits
- Worn or degraded heater elements requiring thermal overload relay service
Works With
- NEMA thermal overload relay systems
- Bulletin 100, 500, 609, and 1200 line starters
- Manual and automatic motor control circuits
- Class 20 overload protection standards for general industrial applications
