This product is either discontinued or we cannot get that from suppliers.
Allied Telesis AT-SBXPWRSYS2, 1200W, AC 100-120/200-240 V, Power supply hot-plug / redundant, Plug-in module, Network hardware, Black, 50/60 Hz, Power cable external.
ALLIED TELESIS 1200W AC System Power Supply For Printing System (AT-SBXPWRSYS2)