The Aaon P51900 Relay is a heavy-duty DPDT (Double Pole Double Throw) power relay designed for precision switching in high-demand HVACR systems

Broad Application Range: High-capacity design handles up to 290

Avoid contact with sharp edges or vibration points that could cause a loss of the volatile charge within the sensing element

Professionals can use the "Speed Up" or "Test" jumper pins on the board to bypass the internal timer and force a cycle

Browning AK28X5/8 Sheave 320788-702 The Aaon P51900 Relay isThe Browning AK28X5 8 Sheave is a precision engineered fixed bore pulley designed specifically for fractional horsepower (FHP) applications. Machined from high quality, close grain cast iron, this single groove sheave provides the structural integrity required for consistent blower and fan performance in light industrial and HVACR systems. With an outside diameter of 2. 80" and a 5 8" finished bore, it installs directly onto the motor shaft,