Quick view Dwyer Instruments, Inc. Clearance Sale ~ Dwyer Instruments SCS-220150 Split Core Digital Current Switch Fixed Set Pt. 1.5 Amp MSRP: HK$440.39 HK$302.14 Clearance Sale: NOS (New Old Stock) Brand New Never Used. Compare to new models with a price of $51.00 each. This is a good deal. Free Shipping!! Dwyer Instruments... MSRP: HK$440.39 HK$302.14 Add to Cart The item has been added Add to Wish list