Parts Express 4PDT Heavy Duty Toggle Switch Go to amazon.com Related posts 10 best 4pdt toggle switch FeatureHigh Current Ratings 15 Amps @ 125vacScrew Terminals X 124PDT On-On DescriptionHeavy duty toggle switch. Specifications: Current rating: 20A @ 125 VAC, 15A @ 250 VAC Contacts: 12 Shaft diameter: 12.2 mm (31/64").