Věstník 4/2026
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prEN IEC 63053-2:2026 Residual current operated circuit-breakers for
household and similar uses for systems Part 2:
Residual current operated circuit breakers without
integral overcurrent protection (DC-RCCBs)
CLC/TC 23E 2026-05-08
prEN IEC 63378-2-2:2026 Thermal standardization semiconductor
packages Part 2-2: thermal simulation models
of semiconductor packages for steady-state analysis -
PBGA and FBGA packages
CLC/TC 47X 2026-05-08
prEN IEC 63378-4:2026 Thermal standardization semiconductor
packages Part Thermal evaluation board
specifications for fine pitch semiconductor packages
CLC/TC 47X 2026-05-08
prEN IEC 61496-2:2026 Safety machinery Electro-sensitive protective
equipment Part Particular requirements for
equipment using active opto-electronic protective
devices (AOPDs)
CLC/TC 44X 2026-05-01
prEN IEC 61496-1:2026 Safety machinery Electro-sensitive protective
equipment Part General requirements and tests
CLC/TC 44X 2026-05-01
prEN IEC 62998-1:2026 Safety machinery Safety-related sensors used
for the protection persons
CLC/TC 44X 2026-05-01
EN 50440:2015/prA2:2026 Efficiency domestic electrical storage water
heaters and testing methods
CLC/TC 59X 2026-05-01
prEN IEC 60704-2-8:2026 Household and similar electrical appliances Test
code for the determination airborne acoustical
noise Part 2-8: Particular requirements for electric
shavers, hair clippers trimmers
CLC/TC 59X 2026-05-22
prEN IEC 60704-2-7:2026 Household and similar electrical appliances Test
code for the determination airborne acoustical
noise Part 2-7: Particular requirements for fans
CLC/TC 59X 2026-05-22
FprHD 60364-7-711:2025/prAA:2026 Low-voltage electrical installations Part 7-711:
Requirements for special installations locations -
Temporary electrical installations for exhibitions and
entertainment related purposes
CLC/TC 2026-05-22
prEN IEC 60793-1-52:2026 Optical fibres Part 1-52: Measurement methods and
test procedures Change temperature tests
CLC/TC 86A 2026-05-01
prEN IEC 60793-1-51:2026 Optical fibres Part 1-51: Measurement methods and
test procedures Dry heat (steady state) tests
CLC/TC 86A 2026-05-01
prEN IEC 60793-1-50:2026 Optical fibres Part 1-50: Measurement methods and
test procedures Damp heat (steady state) tests
CLC/TC 86A 2026-05-01
prEN IEC 60793-1-47:2026 Optical fibres Part 1-47: Measurement methods and
test procedures Macrobending loss
CLC/TC 86A 2026-05-01
prEN IEC 60793-1-53:2026 Optical fibres Part 1-53: Measurement methods and
test procedures Water immersion tests
CLC/TC 86A 2026-05-01
prEN IEC 60034-14:2026 Rotating electrical machines Part 14: Mechanical
vibration certain machines with shaft heights
56 and higher Measurement, evaluation and
limits vibration severity
CLC/TC 2026-05-01
EN 50110-1:2023/prA1:2026 Operation electrical installations Part General
requirements
CLC/BTTF 62-3 2026-05-08
prEN IEC 63595-1:2026 Industrial networks Communication
Technology Part Terms, definitions and
fundamentals
CLC/TC 65X 2026-05-01
prEN IEC 62885-14:2026 Surface cleaning appliances Part 14: Cleaning
machines for commercial use Requirements for
conducting life cycle assessment (LCA)
CLC/TC 59X 2026-05-22
prEN IEC 61225:2026 Nuclear power plants Instrumentation, control and
electrical power systems Requirements for static
uninterruptible and power supply systems
CLC/TC 45AX 2026-05-01
