White-Rodgers 90-171 Contactor or mechanical fatigue from frequent

or mechanical fatigue from frequent cycling

Its current-limiting design significantly restricts let-through energy

making it an ideal choice for fan motor control and general-purpose pilot duty

This dual-purpose assembly functions as both a hot surface igniter and a flame sensor

Durable Construction: High-tensile positioner spring designed to withstand the cyclic stresses of HVAC pneumatic systems

White-Rodgers 90-171 Contactor or mechanical fatigue from frequentThe White Rodgers 90 171 Contactor is a heavy duty, 3 pole 40A 120V contactor engineered for precise control in central air conditioning and commercial heating systems. As a critical component for inductive loads, this definite purpose contactor features a 120 VAC coil with a nominal power consumption of 4. 5 VA and a maximum inrush of 52 VA, ensuring efficient switching under high demand startup conditions. The silver cadmium oxide contacts are