The Square D D321NRB 30 Amp General Duty Disconnect Type 3R Outdoor 240 VAC is a reliable and durable electrical safety switch designed for outdoor use. With the brand reputation of Square D, this disconnect is known for its quality and performance. The model D321NRB specifically is a general-duty safety switch that offers a reliable disconnect function for electrical systems up to 240VAC. With a unit quantity of 1, this product is a new and efficient solution for industrial and commercial applications requiring a dependable electrical disconnect.