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APC
MW II
manual
Models:
MW II
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Specifications
Characteristics
Install
Symbols used in this guide
Power wiring
Maintenance
Battery cables connection
Switchgear Service Entrance
External Bypass Static Switch
Page 38
Image 38
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Page 39
Page 38
Image 38
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Page 39
Contents
Installation
Page
Contents
Specifications
Symbols used in this guide
Installation safety
Page
Inverter Section
UPS Sections
Serial number
Control/Input/Output Section
External Bypass Static Switch
Overview
UPS Wiring Principle
Power wiring
External disconnection switches
Input/Output wiring precautions
AC and PE cable connections
Battery cables connection
Hole distance AC
BAT1 + BAT2
External Bypass Static Switch Wiring
Top cable entry
Maintenance Bypass Panel
Communication cable overview
Communication cables with optional Relay Board
Relay Boards
Location of relay boards
Relay Function Mode Special Comments
Relay board 1 connections
Relay board 2 connections
Page
Electrical Specifications
Low-Impedance/High-Impedance Earthing
AC Input
DC Input
Heat dissipation
AC Output
AC Input External Bypass SSW
Input and upstream breakers
Required Breaker Settings 400 V Systems
Torque specifications
Output and downstream breakers
Dual Mains Installation
TN Systems
Characteristics
System and Protective Earthing
Reference to IEC 60364-4-41
Additional requirements for generating sets IEC 60364-5-55
Protective devices in TN systems
TT Systems
Protective devices in TT systems
IT Systems
Condition
Protective devices in IT systems
See IEC
Legal in DK specialcases
Symmetra MW
Switchgear Service Entrance
Earthing arrangements and protective conductors
Grounding
Page
Page
990-1979E-001
2009
