Alternate part number (6806-009-U126) for the Magictrol four function air switch, MTB311A. Direct from the manufacturer.

The Magictrol Air Switch can be used as a direct replacement option to part number 6806-0009-U126 to sequentially switch up to four separate pieces of equipment. Each time an air pulse is applied, a stepping cam is rotated through three or four positions, actuating a combination of two or three microswitches. Magictrol switches can be used up to 15 feet away from actuator or foot pedal. Distances of 100 feet away can be reached with solenoid and momentary air switch.

• Mounting Style: 9/16″-18 UNF Mounting Thread with Center Air Spout
• Action: 4 Function, Sequential
• Switch Circuit: 3PDT
• UL Rating: 21 Amp, 1 hp @ 125VAC