APC MW II manual Specifications

Page 4

Specifications

17

Low-Impedance/High-Impedance Earthing . . . . . . . . . . . . . . . . 17 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

AC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

DC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

AC Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

AC Input External Bypass SSW . . . . . . . . . . . . . . . . . . . . . 19

Heat dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Torque specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Required Breaker Settings (400 V Systems) . . . . . . . . . . . . . . . 20

Input and upstream breakers . . . . . . . . . . . . . . . . . . . . . . 20

Output and downstream breakers . . . . . . . . . . . . . . . . . . . 21

Appendix

23

System and Protective Earthing . . . . . . . . . . . . . . . . . . . . . . . . 23 TN Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Reference to IEC 60364-4-41 413.1.3 . . . . . . . . . . . . . . . . . 23

Reference to IEC 60364-5-54 546.2.3 . . . . . . . . . . . . . . . . . 23

Additional requirements for generating sets

(IEC 60364-5-55 551.4.2) . . . . . . . . . . . . . . . . . . . . . . . . . 24 Protective devices in TN systems . . . . . . . . . . . . . . . . . . . . 24

TT Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Characteristics

25

Reference to IEC 60364-4-41 413.1.4

25

Protective devices in TT systems

25

IT Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Reference to IEC 60364-4-41 413.1.5 . . . . . . . . . . . . . . . . . 26

Protective devices in IT systems . . . . . . . . . . . . . . . . . . . . . 27

ii

Symmetra MW II 1200 kW 3 x 400/230 V Installation - 990-1979E-001

Page 3 Page 5
Image 4
Page 3 Page 5
Contents Installation Page Contents Specifications Symbols used in this guide Installation safetyPage UPS Sections Serial numberInverter Section Control/Input/Output SectionExternal Bypass Static Switch Power wiring UPS Wiring PrincipleOverview External disconnection switches Input/Output wiring precautions  AC and PE cable connectionsBattery cables connection Hole distance AC BAT1 + BAT2 External Bypass Static Switch Wiring Top cable entry Maintenance Bypass Panel Communication cable overviewLocation of relay boards Relay BoardsCommunication cables with optional Relay Board Relay Function Mode Special Comments Relay board 1 connectionsRelay board 2 connections Page Electrical Specifications Low-Impedance/High-Impedance EarthingAC Input DC InputAC Input External Bypass SSW AC OutputHeat dissipation Torque specifications Required Breaker Settings 400 V SystemsInput and upstream breakers Output and downstream breakers Dual Mains Installation Characteristics System and Protective EarthingTN Systems Reference to IEC 60364-4-41Additional requirements for generating sets IEC 60364-5-55 Protective devices in TN systemsTT Systems Protective devices in TT systemsIT Systems Condition Protective devices in IT systemsSee IEC Legal in DK specialcases Symmetra MW Switchgear Service Entrance Earthing arrangements and protective conductors Grounding Page Page 990-1979E-001 2009
Top Page Image Contents