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BS EN 50091-1-1:1997

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Uninterruptible power systems (UPS) General and safety requirements for UPS used in operator access areas

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

25-08-2004

Superseded date

24-02-2003

Superseded by

BS EN 62040-1-1:2003

£272.00
Excluding VAT

Foreword
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 personnel - safety interlocks
    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
3 Wiring, connections and supply
    3.1 General
    3.2 Connection to power
    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
    5.1 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 distances and
  clearances
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) Examples of reference load conditions
N (normative) Ventilation of battery compartments
P (Void - contents transferred to 1.2 Normative references
Q (informative) A-Deviations
R (normative) Special national conditions

Applicable to electronic indirect a.c. convertor systems having an electrical energy storage device in the d.c. link.

Committee
PEL/22
DevelopmentNote
To be read in conjunction with BS EN 60950. Supersedes BS EN 50091-1 and 96/212524 DC. (06/2003)
DocumentType
Standard
Pages
40
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

IEC 60146-4:1986 Semiconductor convertors. Part 4: Method of specifying the performance and test requirements of uninterruptible power systems
EN 60924:1991/A1:1994 SPECIFICATION FOR GENERAL AND SAFETY REQUIREMENTS FOR D.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS
ENV 61000-2-2 : 1993 ELECTROMAGNETIC COMPATIBILITY (EMC) - ENVIRONMENT - COMPATIBILITY LEVELS FOR LOW-FREQUENCY CONDUCTED DISTURBANCES AND SIGNALLING IN PUBLIC LOW-VOLTAGE POWER SUPPLY SYSTEMS
EN 50091-2:1995/corrigendum Jan. 1998
EN 60950:2000/corrigendum:2002 SAFETY OF INFORMATION TECHNOLOGY EQUIPMENT
EN 61009-1:2012/A12:2016 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITH INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCBOS) - PART 1: GENERAL RULES
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EN 61008-1:2012/A12:2017 RESIDUAL CURRENT OPERATED CIRCUIT-BREAKERS WITHOUT INTEGRAL OVERCURRENT PROTECTION FOR HOUSEHOLD AND SIMILAR USES (RCCBS) - PART 1: GENERAL RULES (IEC 61008-1:2010, MODIFIED)
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
EN 60925:1991/A2:2001 SPECIFICATION FOR PERFORMANCE REQUIREMENTS FOR D.C. SUPPLIED ELECTRONIC BALLASTS FOR TUBULAR FLUORESCENT LAMPS
EN 60269-1:2007/A2:2014 LOW-VOLTAGE FUSES - PART 1: GENERAL REQUIREMENTS (IEC 60269-1:2006/A2:2014)

£272.00
Excluding VAT