a functioning Trane SWT3083 should show 0 ohms (continuity) across the terminals

Time-Delay Functionality: Prevents premature failure caused by motor start-up rushes in HVACR systems

Durable Construction: Engineered to withstand the vibration and thermal cycling common in high-pressure refrigeration circuits

ensuring a seamless HVAC repair without the need for field modifications or wiring harness adapters

ensuring a drop-in fit for existing belt-drive fans

Belimo NRX24-SR-T-N4 Actuator 328140-751 a functioning Trane SWT3083 shouldThe Belimo NRX24 SR T N4 is a professional grade non spring return actuator engineered for high performance modulation in demanding HVACR environments. This direct coupled actuator delivers a reliable 70 in lb torque, making it a staple for contractors managing proportional control across NEMA 4X rated installations. Built for versatility, the unit operates on a standard 24VAC DC power supply and accepts a 2 10 VDC control signal, ensuring seamless