APC by Schneider Electric InRow RC chilled water cooling unit, model ACRC501, 600mm width, rated up to 43.7kW cooling capacity at 6,900 CFM. Dual 460-480V three-phase power feeds (A+B) for redundancy, three variable-speed blowers, chilled water coil rated to 300 psig with 42-55°F entering water. UL listed computer room air conditioner. In-row architecture captures hot aisle air directly for high-density rack cooling. Clean unit with display controller. This model is discontinued new (was ~$18K+ list), making clean used units the practical source.