3PIN Manual Motor Protection Starter, Series L Overload Relay Integration, 3-Pole 3-Phase Hardwired Framework, Bulletin 800 Industrial Switch Array, -25°C to +60°C Industrial Operational Window | Heavy-duty fractional horsepower fractional manual starter module manufactured by Allen-Bradley featuring a toggle-operated latching armature mechanism, open-type chassis structure, and inline screw terminal block configurations, explicitly engineered to isolate heavy industrial fan or pump circuits and deliver stable overcurrent trip safety paths | Industry Exact Equivalents: Allen-Bradley 800-3SD, A-B 800-3SD, Rockwell Automation 800-3SD | Industry Functional Cross-References: Square D 2510FO1, General Electric CR101Y, Cutler-Hammer MST01 | Military Specification National Stock Number (NSN): 5925-01-115-0800