APC Smart UPS VT 40kVA 32kW 3 Phase UPS 44 x Battery Modules Battery Back Up

Crest Factor Unlimited. 44 x SYBTU1-PLP Battery modules. Efficiency at Full Load 95.0%. Included Battery Modules 4. Interface Port(s) DB-9 RS-232, Smart-Slot. Input Frequency 47 - 70 Hz (auto sensing).

eBay