Square D 9991LG1 Contactor Enclosure Transformer Accessory

Product Description

The SQUARE D 9991LG1 is a contactor enclosure designed to house and protect transformer units in electrical distribution and control applications. This enclosure serves as an accessory component, providing a secure mounting and protective housing solution for compatible 9070-series transformers. It measures 10.4 inches in length, 7.9 inches in width, and 6.2 inches in height, making it a mid-size enclosure suited for panel or equipment room installations. Weighing 5.38 pounds, it is a solid, robust unit. Licensed electricians and industrial electrical contractors are the primary installers of this type of enclosure accessory.

This enclosure is used in commercial and industrial electrical installations where 9070-series transformers require a dedicated protective housing. It is appropriate for use in control panels, mechanical rooms, and industrial equipment bays. The 9991LG1 is specifically designed for use with the 9070EO2, EO3, EO4, EO15, EO16, EO18, EO19, T75, T100, T150, T200, T250, T300, T350, and T500 transformer models, making it a direct-fit accessory for those units in new installations and retrofit scenarios alike.

Key Features

• Purpose-built enclosure accessory for 9070-series transformers
• Dimensions: 10.4 inches long x 7.9 inches wide x 6.2 inches tall
• Weight: 5.38 pounds for solid, durable construction
• Compatible with a broad range of 9070EO and 9070T transformer variants
• Packaged individually for single-unit replacement or new installation use

Compatibility

Designed for use with the following SQUARE D 9070-series transformers: 9070EO2, EO3, EO4, EO15, EO16, EO18, EO19, T75, T100, T150, T200, T250, T300, T350, and T500.

Installation Notes

Installation should be performed by a licensed electrician in accordance with applicable NEC requirements. De-energize all circuits and verify absence of voltage before mounting or wiring the enclosure or any enclosed transformer. Ensure the enclosure is properly grounded per local code requirements. Do not modify the enclosure housing or mounting points, as doing so may compromise protection ratings and code compliance.