Schneider Electric's Critical Power and Cooling Services Business Unit, formerly known as American Power Conversion Corporation, is a manufacturer of uninterruptible power supplies, electronics peripherals and data center products.

In 2007, Schneider Electric acquired APC and combined it with MGE UPS Systems to form Schneider Electric's Critical Power & Cooling Services Business Unit, which recorded 2007 revenue of $3.5 billion (EUR 2.4 billion) and employed 12,000 people worldwide.