Thermal Unit Trip Class 20 Overload Protection Type Melting Alloy Full Load Current 19.1 to 21.5 A 23.7 to 26.3 A 24.1 to 28.6 A NEMA Size 1 1P 2 Frame Size B S Compatible with Grainger Part Number 11V717 11V718 11W192 11W196 11W21 1H415 1H416 1H417 2BW22 2BW23 2BW25 2BW31 2BW35 2BW36 2BW41 2PYE6 2PYE8 48P834