Staco Energy's Product Portfolio.

Testing line-powered switched mode power devices can be risky without the proper techniques, precautions, and accessories.

Staco Energy’s UniStar Smart Business (SB) series touch screen LCD line interactive UPS provides comprehensive power protection in a small package.

The STACO Variable Transformer Product Quick Selector is a guide to all standard single-phase and three-phase variable transformers in the Staco product line including portable, ganged and motorized models.

STACO Energy Products has been a leading manufacturer of variable transformers for over 60 years, building standard as well as custom-designed products.

Staco Energy's variable transformers with a high temperature foundation material and allows a greater tolerance during transients and short-term overloads.

Staco Energy Products Co. is the oldest and largest manufacturer of variable transformers in the United States. Since 1937, Staco Energy Products has been a pioneer in design and construction of both standard and specialized variable transformers, AC voltage control, sophisticated power conditioners and UPS equipment.