Yokogawa 250240LSSC AC Ammeter Panel Mount Meter

The Yokogawa 250240LSSC AC ammeter is an analog panel meter that visually monitors AC current up to 400 A, typically via a current transformer (CT) in electrical panels and switchgear. It is panel-mounted and belongs to the Yokogawa 250 series, featuring an analog dial with a needle pointer, an accuracy of typically ±2% full scale, and a frequency range of approximately 25–400 Hz. It is used in industrial power systems for load monitoring, diagnostics, and replacement of legacy ammeters in motor control centers, power distribution boards, generator sets, and other heavy equipment. The part number is 250240LSSC; common replacements include Yokogawa 250240LSLS (similar range/configuration) and Yokogawa 250-440 series panel meters.