TYPE D - 153 series

Heavy .051" aluminum plates, edges rounded for maximum withstanding voltage, and 5/16" diameter aluminum tie rods: 1/4" cadmium-plated steel shafts; laminated phosphor bronze contact springs; and steatite insulation. Type "D" – overall width: 4-1/4" – height: 4" – height bottom to shaft center: 2-5/32."

Dual types have center rotor connection for better balance. End frames tapped 8-32. Three holes, for panel mounting – brackets furnished for chassis mounting.