The Definite Purpose Contractor Two Pole Small Frame 30A 120V is a compact, two-pole definite purpose contactor engineered for reliable control of motors, compressors, and other high-current equipment. With a 30-amp rating and 120V coil, it’s designed for HVAC, refrigeration, and industrial systems that require dependable switching performance in tight spaces. The quick-connect terminals and foot-mount design make it fast to install and ideal for replacement or new builds.