Cart Continue shopping “AS440 Automatic Voltage Regulator” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × DSE 4520 CONTROLLER $490.00 DSE 4520 CONTROLLER quantity $490.00 × AS440 Automatic Voltage Regulator $200.00 AS440 Automatic Voltage Regulator quantity $200.00 Coupon: Apply coupon Update cart Proceed to checkout Cart totals Subtotal $690.00 Tax $69.00 Total $759.00 Proceed to checkout