146351P1S Liebert Mod Motor

Part number 146351P1S from Liebert, listed in Valves & Process Control. KKM Solutions quotes this part with pricing and availability confirmed per order.

Overview The Liebert 146351P1S is a high-precision modulating actuator motor designed specifically for use within Liebert environmental control and precision cooling systems. This original equipment manufacturer (OEM) component is engineered to provide reliable, direct-fit performance for modulating valves, ensuring accurate temperature and humidity control in business-critical environments like data centers. While this specific part number has been discontinued by the manufacturer, it is widely recognized for its durable construction and is typically replaced by the updated model 10046890P1S. Features Magnetic clutch provides constant output force for positive valve close-off and protects the motor during stall conditions High-precision feedback control via a 2K ohm position feedback potentiometer for superior accuracy Pre-wired design with unique harness connectors for easy “plug-and-play” installation into Liebert systems Compact and robust industrial-grade housing built for long-term reliability in HVAC applications Modulating action allows for precise, incremental adjustments to valve positions rather than simple on/off operation Specifications Manufacturer: Liebert (Vertiv) Part Number: 146351P1S Replacement Part: 10046890P1S Voltage: 24V AC/DC (50/60 Hz) Torque/Force: 90 in-lbs (90#) Stroke Length: 0.75 inches Weight: Approximately 2.65 lbs Country of Origin: United States Applications Primary use as a valve actuator in Liebert precision cooling and HVAC units Integration with Liebert XDWP and Deluxe System (DE) family cooling equipment Environmental control systems requiring precise modulation of chilled water or glycol flow Replacement of aging or failed modulating motors in existing data center infrastructure Suitable for industrial air handling units where 24V modulating control is required for 0.75-inch stroke valves