Square 3G-OTH-127850 — Technical Specifications

The SQUARE D Surge Protection Device (MPN HL4IMA12C) is a three-phase, 277/480V AC Wye internal panel-mount SPD designed for I-Line panelboards. It features 4 wires plus ground, N-G configuration, 320 V AC, 2000V (L-L) protection, and a 200kA surge current rating. This unit includes dry contacts and is part of the Square D QO, HOM, I-Line and NQ series.