Overview Reviews Product Description Square D HCM23644 I-Line Panelboard 400A 600V SER E1 W/ HCM64TSD Type I Encl400A 600V SER E1Main LugsMounting Space 45 INHCM23644-UA-YAGDH.12142023.02 Product Videos Custom Field Product Reviews Write a Review Write a Review × Square D Square D HCM23644 I-Line Panelboard 400A 600V SER E1 W/ HCM64TSD Type I Encl Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *