The Allen Bradley W10 is an overload relay heater element designed for reliable motor protection. This W-type heater uses a eutectic alloy to provide Class 20 trip characteristics, making it suitable for use with Bulletin Series 100, 500, 609, and 1200 overload relays. It supports current ratings between 0.17 to 0.21 amps and fits sizes 0, 1, 00, 24A, 32A, or 40A. Rated for operation in ambient temperatures up to 40°C, the W10 complies with NEMA standards. BSP Automation offers this component, ensuring easy access for systems requiring precise overload protection.