1 General
1.1 Scope and object
1.2 Normative references
2 Terms and definitions,
2.2 General terms
3 Conditions for operation in service
3.4 Voltage
3.4.1 Rated voltage
3.5 Current
3.5.1 Rated Current
3.6 Frequency, power factor and time constant
3.6.1 Frequency
3.6.2 Power factor
3.6.3 Time constant
3.10 Temperature inside an enclosure
4 Classification
5 Characteristics of fuses
5.1 Summary of characteristics
5.1.2 Fuse-links
5.2 Rated voltage
5.6 Limits of time-current characteristics
5.6.1 Time-current characteristics, time-current
zones
5.6.1.1 General requirements
5.6.2 Conventional times and currents
5.6.2.2 Conventional times and currents for
"gPV"- fuse-links
5.6.3 Gates
5.7.1 Breaking range and utilization category
5.7.2 Rated breaking capacity
6 Markings
6.2 Markings on fuse-links
7 Standard conditions for construction
7.5 Breaking capacity
8 Tests
8.1 General
8.1.4 Arrangement of the fuse and dimensions
8.1.5 Testing of fuse-links
8.1.5.1 Complete tests
8.1.5.2 Type test exemptions for fuse-links
of a homogeneous series
8.3 Verification of temperature rise limits and power
dissipation
8.3.1 Arrangement of the fuse-link
8.3.3 Measurement of power dissipation of the fuse-link
8.3.5 Acceptability of test results
8.4 Verification of operation
8.4.1 Arrangement of fuse-link
8.4.3 Test method and acceptability of test results
8.4.3.1 Verification of conventional non-fusing
and fusing current
8.4.3.2 Verification of rated current
8.4.3.5 Conventional cable overload protection
8.4.3.6 Operation of indicating devices and strikers,
if any
8.5.1 Arrangement of the fuse
8.5.5 Test method
8.5.8 Acceptability of test results
Annex AA - Examples of standardized fuse-links for the
protection of solar photovoltaic energy systems
AA.1 Cylindrical types
AA.2 Blade types