Tripp Lite by Eaton SU20KXFMRT4U Step-Down, Isolation Transformer - 18Tripp Lite by Eaton SU20KXFMRT4U Step Down, Isolation Transformer 18 kVA, 16 kVA 208 V AC, 240 V AC Input 120 V AC, 240 V AC Output 2U VPN: SU20KXFMRT4U SKU: RSC540215 UPC: 37332176608 18kVA 18kW 18,000 watt step down isolation transformer converts 208 or 240V 60Hz to 120 240V split phase output Supports hardwire input and output Ideal means of converting UPS, utility, generator or other 208 240V input to 120 240V split phase