Eaton 91PS User And Installation Manual

Also see for 91PS: User and installation guide Safety and installation quick guide Safety and installation quick guide User and installation guide

Table 14. Minimum recommended cable and fuse sizes for external battery bankUPS rating (kW) 8 10Pos & neg line [mm2]* 10 10Battery fuse [A] 32 32PE cable [mm2] 10 10Maximum conductor cross section Solid wire: 25 mm2Stranded wire with ferrule: 16 mm2Tightening torque [Nm] 3 Nm (Pos. & Neg. line)10 Nm for 16-35 mm2 wire (PE)6 Nm for 4-10 mm2 wire (PE)* Minimum recommendedNOTE: UPS power upgrading is possible only if the sizing of the external cables is sufficient. Alternatively,the external cabling must be upgraded as well. Fuses are of the type gG.Cable sizing is based on the standard IEC 60364-5-52 table B.52.2 and IEC 60364-5-54 table B.54.2.Sizing is for 70 ºC rated copper cables.When connecting external batteries to 91PS/93PS UPS, Eaton recommends that you use the followingcircuit breakers:Type Article No Nominal batteryvoltage12V VRLA BlocksWith 91PS/93PS 8–10 kWFAZ-C32/2-DC 279143 336...432 V 28...36NZMH2-A32 281283 444–480 V 37...40NOTE: Contact your Eaton sales representative for more information about the circuit breakers, or if youneed help choosing the right model for your UPS system.Use the following 24 V shunt release with early-make auxiliary contact together with the above circuitbreaker:Type Article NoShunt release ZP-ASA/24 248438Aux. contact ZP-IHK 286052Table 15. Rated and maximum currents for rated power and voltage (93PS)Rectifier input UPS output / bypass BatteryRated power Rated voltage Rated current MaximumcurrentRated current MaximumcurrentRated current Maximumcurrent[kW] [V] [A] [A] [A] [A] [A] [A]8 380 13 15 12 18 22 26400 12 14 12 17 22 26EATON 91PS/93PS UPS USER’S AND INSTALLATIONGUIDEP-164000672 - 005 2023 www.eaton.eu 3344