1 Scope and specific applications
1.1 Scope
1.2 Specific applications
2 Normative references
3 Definitions
3.1 General
3.2 UPS electrical ratings
3.3 Load types
3.4 Connection to the supply
3.5 Circuits and circuit characteristics
3.6 Insulation
3.7 Equipment mobility
3.8 Insulation classes of UPS
3.9 Enclosures
3.10 Accessibility
3.11 Components
3.12 Power distribution
3.13 Flammability
3.14 Miscellaneous
3.15 Telecommunication networks
4 General conditions for tests
4.1 Operating parameters for tests
4.2 Loads for tests
4.3 Components
4.4 Power interfaces
4.5 Marking and instructions
4.5.1 General
4.5.2 Power rating
4.5.3 Safety instructions
4.5.4 Main voltage adjustment
4.5.5 Power outlets
4.5.6 Fuses
4.5.7 Wiring terminals
4.5.8 Battery terminals
4.5.9 Controls and indicators
4.5.10 Isolation of multiple power sources
4.5.11 IT power systems
4.5.12 Protection in building installation
4.5.13 High leakage current
4.5.14 Thermostats and other regulating devices
4.5.15 Language
4.5.16 Durability of markings
4.5.17 Removable parts
4.5.18 Replaceable batteries
4.5.19 Operator access with a tool
4.5.20 Battery
4.5.21 Installation instructions
5 Fundamental design requirements
5.1 Protection against electric shock and energy
hazards
5.1.1 Operator access
5.1.2 Access to ELV wiring
5.1.3 Discharge of capacitors in the primary
circuit
5.1.4 Backfeed protection
5.1.5 Emergency switching device
5.2 Insulation
5.3 Limited current circuits
5.4 Provisions for protective earthing
5.4.1 Protective earthing
5.4.2 Bonding
5.5 AC and d.c. power isolation
5.5.1 Disconnect devices
5.5.2 Three-phase equipment
5.5.3 Switch as a disconnect
5.5.4 Multiple power sources
5.5.5 Ungrounded conductors
5.6 Overcurrent and earth fault protection
5.6.1 Basic requirements
5.6.2 Battery circuit protection
5.6.3 Location of protective device
5.6.4 Rating of protective device
5.7 Protection of personnel - Safety interlocks
5.7.1 Operator protection
5.7.2 Service person protection
5.8 Clearances, creepage distances and distances
through insulation
5.9 External signalling circuits
5.10 Limited power source
6 Wiring, connections and supply
6.1 General
6.2 Connection to power
6.2.1 Means of connection
6.3 Wiring terminals for external power conductors
7 Physical requirements
7.1 Enclosure
7.2 Stability
7.3 Mechanical strength
7.4 Construction details
7.4.1 Openings
7.4.2 Gas concentration
7.4.3 Equipment movement
7.5 Resistance to fire
7.6 Battery location
7.6.1 Accessibility and maintainability
7.6.2 Vibration
7.6.3 Distance
7.6.4 Insulation
7.6.5 Wiring
7.6.6 Electrolyte spillage
7.6.7 Ventilation
7.6.8 Charging voltages
7.7 Temperature rise
8 Electrical requirements and simulated abnormal
conditions
8.1 General
8.1.1 Earth leakage current
8.1.2 Pluggable equipment type B UPS
8.2 Electric strength
8.3 Abnormal operating and fault conditions
8.3.1 Simulation of faults
8.3.2 Conditions for tests
9 Connection to telecommunication networks
Annexes
Annex H (informative) Guidance on protection against
ingress of water and foreign objects
Annex L (normative) Backfeed protection test
Annex M (normative) Examples of reference load conditions
Annex N (normative) Ventilation of battery compartments
Annex X (informative) Guidance for disconnection of
batteries during shipment
Annex ZA (normative) Normative references to international
publications with their corresponding European
Publication
Figures
Tables