CertaUPS 20kVA (40A) Wallmount bypass switch 3:3 phase (300W x 400H x 200D) mm.CertaUPS WBYP2033 20kVA 3/3 Phase BypassSKU: WBYP2033£470.25PriceQuantityAdd to CartVATVAT is excluded from the prices shown and will be added at the checkout stage.