Littelfuse 201A-AU Monitor 320819-301 This unit is specifically engineered

This unit is specifically engineered for R12 refrigerant applications

With a 3/8-inch inlet and 1/2-inch outlet

and refrigerant discharge

contractors can maintain the operational integrity of complex pneumatic automation systems without requiring extensive field modifications

this IEC heating element assembly is critical for restoring performance in high-static or multi-blower configurations where precise 3000W electric heat is required

Littelfuse 201A-AU Monitor 320819-301 This unit is specifically engineeredThe Littelfuse 201A AU is a critical 3 phase voltage monitor engineered to safeguard motors from catastrophic power line faults. This auto ranging motor protection relay operates within a wide 190480 V AC window at 50 60 Hz, making it a standard choice for HVACR contractors managing various system sizes. Using proprietary microcontroller based circuitry, the unit provides continuous phase loss protection, voltage unbalance detection, and monitoring