The APR10457 is a 4-pole, 4-wire Arktite mating connector used to supply power to portable electrically operated devices. It is rated for 100A at 600 VAC/250 VDC and is constructed from high-impact, copper-free aluminum with fiberglass-reinforced polyester insulation for durability. This Style 1 connector features circuit-breaking capability, allowing it to be disconnected under load, and is NEMA 4 rated for watertight integrity. Common applications include supplying power to motor generator sets, compressors, welders, and lighting systems in industrial environments where quick disconnection is required.