I.S. EN 50091-1-2:2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
08-31-2004
English
01-01-2003
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 General requirements
1.5 General conditions for tests
1.6 Components
1.7 Power interfaces
1.8 Marking and instructions
2 Fundamental design requirements
2.1 Protection against electric shock and energy
hazards
2.2 Insulation
2.3 Safety Extra-Low Voltage (SELV) circuits
2.4 Limited current circuits
2.5 Provisions for protective earthing
2.6 A.C. and D.C. power isolation
2.7 Overcurrent and earth fault protection
2.8 Protection of service personnel
2.9 Clearances, creepage distances and distances
through insulation
2.10 External signalling circuits
2.11 Limited power source
2.12 Protection of the applied load
2.13 Connection to other equipment
3 Wiring, connections and supply
3.1 General
3.2 Connection to power sources
3.3 Wiring terminals for external power conductors
4 Physical requirements
4.1 Stability and mechanical hazards
4.2 Mechanical strength and stress relief
4.3 Construction details
4.4 Resistance to fire
4.5 Battery location
5 Thermal and electrical requirements
5.9 Heating
5.2 Earth leakage current
5.3 Electric strength
5.4 Abnormal operating and fault conditions
Annexes
A (normative) Test for resistance to heat and fire
B (normative) Motor test under abnormal conditions
C (normative) Transformers
D (normative) Measuring instruments for earth leakage
current test
E (normative) Temperature rise of a winding
F (normative) Measurements of creepage
G (normative) Earth leakage current for UPS intended to
be connected directly to IT power systems
H (informative) Guidance on protection against ingress
of water and foreign objects
J (informative) Table of electrochemical potentials
K (normative) Thermal controls
L (normative) Backfeed protection test
M (normative) Reference load conditions
N (normative) Ventilation of battery compartments
P (normative) Minimum and maximum cross-sections for
copper conductor suitable for connection
Q (informative) A-Deviations
R (normative) Special national conditions
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