This Square D™ meter socket offers a 10 kA RMS short circuit rating with 200 A, 600 V, 1 phase, 4 jaws, and a ringless socket. These units come with a bonded neutral to the NEMA 3R enclosure. Additionally, the meter sockets are UL Listed. This meter also features horn bypass for uninterrupted service during maintenance. Square D™ meter sockets provide rainproof protection for senstive electrical equipment.