Nordyne 626615R Limit Switch 321142-301 The Marathon K381 is a

The Marathon K381 is a high-performance 1/2 HP three-phase motor engineered for heavy-duty HVACR applications

Safety Integrated: Includes internal thermal overload protection to prevent motor burnout during restricted flue conditions

it offers secondary containment and superior leak protection

this unit outputs 24Vac

Is the manual operator momentary or maintained

Nordyne 626615R Limit Switch 321142-301 The Marathon K381 is aThe Nordyne 626615R Limit Switch is a critical safety component designed for furnace repair and high limit protection in HVAC systems. This OEM replacement part is engineered to monitor plenum temperatures and prevent heat exchanger failure by opening the circuit when internal temperatures reach 190 degrees Fahrenheit. As an auto reset limit switch, it automatically closes at 150F once temperatures return to safe operating levels, eliminating the need