Tra cứu Tiêu chuẩn quốc tế
Tìm thấy 73948 kết quả.
Searching result
| 481 |
BS EN 50104:2019/A1:2023Electrical equipment for the detection and measurement of oxygen. Performance requirements and test methods. Electrical equipment for the detection and measurement of oxygen. Performance requirements and test methods. |
| 482 |
BS EN 50110-1:2023Operation of electrical installations. General requirements. Operation of electrical installations. General requirements. |
| 483 |
BS EN 50110-1:2023-TCTracked Changes. Operation of electrical installations. General requirements. Tracked Changes. Operation of electrical installations. General requirements. |
| 484 |
BS EN 50110-2:2023Operation of electrical installations. National annexes. Operation of electrical installations. National annexes. |
| 485 |
BS EN 50110-2:2023-TCTracked Changes. Operation of electrical installations. National annexes. Tracked Changes. Operation of electrical installations. National annexes. |
| 486 |
BS EN 50122-2:2022Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Provisions against the effects of stray currents caused by DC traction systems. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Provisions against the effects of stray currents caused by DC traction systems. |
| 487 |
BS EN 50122-2:2022-TCTracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Provisions against the effects of stray currents caused by DC traction systems. Tracked Changes. Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Provisions against the effects of stray currents caused by DC traction systems. |
| 488 |
BS EN 50131-2-3:2022-TCTracked Changes. Alarm systems. Intrusion and hold-up systems. Requirements for microwave detectors. Tracked Changes. Alarm systems. Intrusion and hold-up systems. Requirements for microwave detectors. |
| 489 |
BS EN 50136-2:2013/A1:2023Alarm systems. Alarm transmission systems and equipment. Requirements for Supervised Premises Transceiver (SPT). Alarm systems. Alarm transmission systems and equipment. Requirements for Supervised Premises Transceiver (SPT). |
| 490 |
BS EN 50160:2022Voltage characteristics of electricity supplied by public electricity networks. Voltage characteristics of electricity supplied by public electricity networks. |
| 491 |
BS EN 50160:2022-TCTracked Changes. Voltage characteristics of electricity supplied by public electricity networks. Tracked Changes. Voltage characteristics of electricity supplied by public electricity networks. |
| 492 |
BS EN 50243:2022-TCTracked Changes. Outdoor bushings for 24 kV and 36 kV and for 5 kA and 8 kA, for liquid filled transformers. Tracked Changes. Outdoor bushings for 24 kV and 36 kV and for 5 kA and 8 kA, for liquid filled transformers. |
| 493 |
BS EN 50289-1-2:2023Communication cables. Specifications for test methods. Electrical test methods. DC resistance. Communication cables. Specifications for test methods. Electrical test methods. DC resistance. |
| 494 |
BS EN 50289-1-2:2023-TCTracked Changes. Communication cables. Specifications for test methods. Electrical test methods. DC resistance. Tracked Changes. Communication cables. Specifications for test methods. Electrical test methods. DC resistance. |
| 495 |
BS EN 50292:2023Electrical apparatus for the detection of carbon monoxide in domestic premises, caravans and boats. Guide on the selection, installation, use and maintenance. Electrical apparatus for the detection of carbon monoxide in domestic premises, caravans and boats. Guide on the selection, installation, use and maintenance. |
| 496 |
BS EN 50292:2023-TCTracked Changes. Electrical apparatus for the detection of carbon monoxide in domestic premises, caravans and boats. Guide on the selection, installation, use and maintenance. Tracked Changes. Electrical apparatus for the detection of carbon monoxide in domestic premises, caravans and boats. Guide on the selection, installation, use and maintenance. |
| 497 |
BS EN 50341-2-1:2022Overhead electrical lines exceeding AC 1 kV. National Normative Aspects (NNAs) for Austria (based on EN 50341-1:2012). Overhead electrical lines exceeding AC 1 kV. National Normative Aspects (NNAs) for Austria (based on EN 50341-1:2012). |
| 498 |
BS EN 50377-14-1:2021-TCTracked Changes. Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications. Simplex and duplex cords made from simplex plugs with cylindrical ferrules, using EN 60793-2-50 single-mode B-652 ou B-657 fibre for Category C according to EN 61753-1. Tracked Changes. Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications. Simplex and duplex cords made from simplex plugs with cylindrical ferrules, using EN 60793-2-50 single-mode B-652 ou B-657 fibre for Category C according to EN 61753-1. |
| 499 |
BS EN 50397-2:2022-TCTracked Changes. Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c.. Accessories for covered conductors. Tests and acceptance criteria. Tracked Changes. Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c.. Accessories for covered conductors. Tests and acceptance criteria. |
| 500 |
BS EN 50397-3:2022-TCTracked Changes. Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c.. Guide to use. Tracked Changes. Covered conductors for overhead lines and the related accessories for rated voltages above 1 kV a.c. and not exceeding 36 kV a.c.. Guide to use. |
