E = 600 V 60 Hz K= Open S= NEMA 1 J= NEMA 12 R= NEMA 3R L= NEMA 4 D= NEMA 4X U = UL Listed R = UL Recognized X = No Listing NonAutomatic (600 Vac) (30 – 4000 A) NT = NonAutomatic Refer to Page 9 H = Horizontal V = Vertical E = Electromechanical Molded Case Device FD = 30 – 150 A KD = 150 – 300 A LD = 400 – 600 A MD= 600 – 800 A NB ...
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