Littelfuse 202 Monitor Refrigerant the AT72D1683 features built-in override

the AT72D1683 features built-in override protection and an energy-limiting design to prevent system failure under heavy load

Engineered for stable operation with reduced vibration

Installing an inline surge protector is a professional best practice to protect the sensitive electronics within the control module from voltage spikes

While designed specifically for Trane equipment specifications

making it ideal for potable water systems and hydronic heating maintenance

Littelfuse 202 Monitor Refrigerant the AT72D1683 features built-in overrideThe Littelfuse 202 3 Phase Voltage Monitor is a microcontroller based protection relay designed for high performance motor safeguarding in industrial and HVACR environments. Operating within a 190480 VAC range at 50 60 Hz, this unit provides continuous analysis of incoming line conditions to mitigate damage from phase loss, phase reversal, voltage unbalance, and over under voltage fluctuations. For technicians managing 3 phase motor protection, the