Schneider Electric CC94.0 Three Phase Contactor

Square D by Schneider Electric CC94.0 thermal overload unit provides three‑phase motor protection for CC‑series contactors in 480V systems. This melting‑alloy overload device is rated to trip within its current range of 53.5–57.4 A at 480 VAC and is designed for use with C‑Series Square D CC94.0 contactors. It supports up to 600 VAC maximum line voltage and carries a Class 20 trip profile, delivering timed overload protection appropriate for motors and other three‑phase loads. As a protective accessory in motor control circuits, the CC94.0 thermal unit interrupts the circuit when current exceeds the preset threshold, helping prevent damage to connected equipment. Typical applications include industrial motor starters and machines powered from 480 VAC three‑phase supplies where reliable overload protection is essential. The unit is commonly associated with Square D part numbers such as 69649978, and is specifically marketed as the CC94.0 thermal overload/heater for use with CC‑series assemblies.