Single 10A air switch with speed control for Spa Air Blowers fitted with series motors (with brushes/commutator only). No blower currently has built-in speeds. This is used to make those blowers have High/Medium/Low speeds.
Do not connect induction motors such as pumps or major damage will result
Each press of the air switch moves the air blower speed through High / Medium / Low / Off
Max load: 10A