Mechanical Speed Switch - SA-1644 SKU SA-1644 $3 468.00 In stock Quantity: 1 Add to Bag Product Details The Dyna SA-1644 is an exact OEM replacement now manufactured by QCC. G03MA model speed switch 3 element speed switch Trip setting SW1 = 300 RPM, SW2 = 837 RPM, SW3 = 1212 RPM 10 amp switch contacts Field adjustable Save this product for later Favorite