Square D 9991Lg1 Control Power Transformer Enclosure

Square D 9991LG1 is a NEMA 1 steel enclosure built to accept Square D 9070 control transformers, providing a dedicated housing for control-power circuits in dry, indoor industrial environments. It measures about 7.52 inches wide, 5.91 inches deep, and 9.76 inches high, and its steel construction delivers rigid protection for transformer components and wiring. The enclosure is listed for use with 9070 control transformers and is commonly described as a general-purpose or contactor enclosure for 9070 transformer kits. This 9991LG1 model is designed to integrate with Square D Class 9070 transformer assemblies and is suitable for general control-panel installations needing a compact enclosure for a transformer. Manufactured by Square D, a Schneider Electric brand, the enclosure is widely sold as a dedicated 9070-compatible solution and is referenced by distributors as a Square D 9991LG1 Contactor Enclosure for 9070EO2/EO3/EO4 transformer kits.