DC BACK-UP POWER SUPPLIES OF BZ SERIES - NEW GENERATION (3,4 kW; 6,8kW) Basic characteristics • • • • • • • • • Processor control on DSP basis PFC – Power Factor Corrector of input mains Setting of the output voltage and current of wide range Charging and keeping of the optimal voltage of the accumulators Charging characteristics Uo, IUo, IUUo, USER Charging characteristic programmable by the USER (in 10 points) Control panel with LCD display 2 x 24 characters 7 signalling relays Easy maintenance Communication with Master PC or another module Thermal compensation of charging Protection against wrong connection of battery and over voltage Modular design Resistance against short circuit Double-pole output protection Power supplies with higher power output can be obtained by parallel connection of DN chargers and MBZ125xxxR module Single module back-up supplies (5U rack) TYPE BZ045060R BZ025110R BZ013220R No. of input mains phases 1 1 1 No. of input mains phases + 2 + 2 + 2 Double module back-up supplies (5U rack) TYPE BZ090060R BZ050110R BZ026220R + device can be also powered by 1 phase BZ cabinet systems with higher power output System MBZ125110R+DN1027R MBZ125110R+2xDN687R MBZ125220R+xDN1028R MBZ125220R+2xDN688R MBZ125220R+2xDN1028R MBZ125220R+3xDN1028R * device can be also powered by 1 phase PMA-BZ 3,4 – 30,6kW ELTECO, a.s Rosinská cesta 15, 010 01 ŽILINA,

Parameter Nominal input voltage Input voltage range Max. input current Input voltage frequency Protection – input Power factor Nominal output voltage Output voltage range Static stability (power supply mode) Nominal power Max. output current *) Power is gradually lowered below 195 Vac in dependence on output current level. Output protection Battery protection Type Charging time of 100% discharged battery (typ.) Charging characteristics 32A (63A) any type (Pb, NiCd, ...) 10 hours IUUo, IUo, Uo, possibility of setting by user (This characteristic is adjustable by communication software). INSULATION...