Tra cứu Tiêu chuẩn quốc tế
Tìm thấy 3168 kết quả.
Searching result
| 221 |
BS EN IEC 61557-6:2021Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems. |
| 222 |
BS EN IEC 61557-6:2021-TCTracked Changes. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems. Tracked Changes. Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Effectiveness of residual current devices (RCD) in TT, TN and IT systems. |
| 223 |
BS EN IEC 61587-6:2021-TCTracked Changes. Mechanical structures for electrical and electronic equipment. Tests for IEC 60917 and IEC 60297 series. Security aspects for indoor cabinets. Tracked Changes. Mechanical structures for electrical and electronic equipment. Tests for IEC 60917 and IEC 60297 series. Security aspects for indoor cabinets. |
| 224 |
BS EN IEC 61724-1:2021-TCTracked Changes. Photovoltaic system performance. Monitoring. Tracked Changes. Photovoltaic system performance. Monitoring. |
| 225 |
BS EN IEC 61753-101-03:2021-TCTracked Changes. Fibre optic interconnecting devices and passive components performance standard. Fibre management systems for category OP. Outdoor protected environment. Tracked Changes. Fibre optic interconnecting devices and passive components performance standard. Fibre management systems for category OP. Outdoor protected environment. |
| 226 |
BS EN IEC 61753-111-07:2021-TCTracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Sealed closures. Category A. Aerial. Tracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Sealed closures. Category A. Aerial. |
| 227 |
BS EN IEC 61753-111-08:2021-TCTracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Sealed closures for Category G. Ground. Tracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Sealed closures for Category G. Ground. |
| 228 |
BS EN IEC 61753-111-09:2021-TCTracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Sealed closures. Category S. Subterranean. Tracked Changes. Fibre optic interconnecting devices and passive components. Performance standard. Sealed closures. Category S. Subterranean. |
| 229 |
BS EN IEC 61788-17:2021-TCTracked Changes. Superconductivity. Electronic characteristic measurements. Local critical current density and its distribution in large-area superconducting films. Tracked Changes. Superconductivity. Electronic characteristic measurements. Local critical current density and its distribution in large-area superconducting films. |
| 230 |
BS EN IEC 61914:2021Cable cleats for electrical installations. Cable cleats for electrical installations. |
| 231 |
BS EN IEC 61914:2021-TCTracked Changes. Cable cleats for electrical installations. Tracked Changes. Cable cleats for electrical installations. |
| 232 |
BS EN IEC 61936-1:2021-TCTracked Changes. Power installations exceeding 1 kV AC and 1,5 kV DC. AC. Tracked Changes. Power installations exceeding 1 kV AC and 1,5 kV DC. AC. |
| 233 |
BS EN IEC 61970-452:2021Energy management system application program interface (EMS-API). CIM static transmission network model profiles. Energy management system application program interface (EMS-API). CIM static transmission network model profiles. |
| 234 |
BS EN IEC 61970-452:2021-TCTracked Changes. Energy management system application program interface (EMS-API). CIM static transmission network model profiles. Tracked Changes. Energy management system application program interface (EMS-API). CIM static transmission network model profiles. |
| 235 |
BS EN IEC 62031:2020/A11:2021LED modules for general lighting. Safety specifications. LED modules for general lighting. Safety specifications. |
| 236 |
BS EN IEC 62037-1:2021Passive RF and microwave devices, intermodulation level measurement. General requirements and measuring methods. Passive RF and microwave devices, intermodulation level measurement. General requirements and measuring methods. |
| 237 |
BS EN IEC 62037-1:2021-TCTracked Changes. Passive RF and microwave devices, intermodulation level measurement. General requirements and measuring methods. Tracked Changes. Passive RF and microwave devices, intermodulation level measurement. General requirements and measuring methods. |
| 238 |
BS EN IEC 62037-2:2021Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial cable assemblies. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial cable assemblies. |
| 239 |
BS EN IEC 62037-2:2021-TCTracked Changes. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial cable assemblies. Tracked Changes. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial cable assemblies. |
| 240 |
BS EN IEC 62037-3:2021Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial connectors. Passive RF and microwave devices, intermodulation level measurement. Measurement of passive intermodulation in coaxial connectors. |
