Cutler Hammer DH364URK is a heavy-duty industrial safety switch designed for the safe isolation of electrical circuits in demanding environments. It provides reliable circuit protection with a 200A current rating and voltage ratings of 600V AC or 250V DC, featuring a robust three-pole, single-configuration non-fusible switch style. The unit is constructed with a NEMA 3R rainproof enclosure, measures 11.25" D x 27.63" H x 16" W, and weighs 35 lb for durable installation. It complies with key industry standards including UL98 and UL Listed, and is certified to NEMA KS-1 for safety. This switch is typically applied in industrial power distribution, manufacturing facilities, and commercial electrical systems requiring a 200kA interrupting capacity at 600V for compatible TKM frames.