EATON Cutler-Hammer Series Disconnect Switch, Air Conditioning Non-Fused Pullout, Series: DP Series, 120/240 VAC, 60 A, 10 hp, 1, 2 Pole, NEMA 3R, Surface Mount, 60/75 deg C, 9 in L x 5-1/2 in W x 2 in H, Steel, ANSI 61 Gray, Galvanized. An air conditioning disconnect (ACD) is a disconnect located between a loadcenter (distribution panel) and air conditioner.ACD product line provides an installer or repair personnel with a visible disconnecting means when performing maintenance. ACDs are also known as disconnects, pullouts or air conditioning switches. Non-fused pullout and molded case switch devices provide personnel with a visible ON-OFF disconnecting means. While fused pullout units also perform this function, they also provide an additional level of protection for the air conditioner.