Johnson Controls V-3000-8012 Actuator Els PW 17895 Can this SPDT switch be

Can this SPDT switch be used on both 3-pole and 4-pole York contactors

or the system making a loud humming sound without the compressor or fan engaging

if it has a groove for a retaining clip

The contacts remain open until the 24V coil is energized by the control board or thermostat

Johnson Controls V-3000-8012 Actuator Els PW 17895 Can this SPDT switch beThe Johnson Controls V 3000 8012 is a robust pneumatic valve actuator designed for proportional control of steam or water valves in commercial HVAC systems. Featuring an 8 square inch effective diaphragm area, this linear movement actuator provides precise positioning with a spring return safety function. As the direct replacement for the legacy V 3000 8011, it maintains a small footprint for tight mechanical rooms while offering an exposed yoke for