EN 300 132-3 : 1.2.1
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ENVIRONMENTAL ENGINEERING (EE); POWER SUPPLY INTERFACE AT THE INPUT TO TELECOMMUNICATIONS EQUIPMENT; PART 3: OPERATED BY RECTIFIED CURRENT SOURCE, ALTERNATING CURRENT SOURCE OR DIRECT CURRENT SOURCE UP TO 400 V
Hardcopy , PDF
07-07-2021
English
Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 Interface A3
5 Requirements
5.1 Nominal voltage
5.2 Normal service voltages at interface A3
5.3 Nominal frequencies
5.4 Abnormal service voltage ranges at interface A3
5.5 Supply protection
5.6 Maximum current drain
5.7 Surge current on connection to interface A3
6 Earthing and bonding
7 Electrical safety requirements
8 EMC requirements
Annex A (informative): Power supply considerations
A.1 Possible power supply configurations
A.2 Supply voltage waveforms
Annex B (informative): Identification of interface A3
Annex C (informative): Calculation of the extreme voltage nominal
values at interface A3
Annex D (informative): Calculation of the extreme voltage nominal
values at interface A3 in the case of using other nominal
voltage
Annex E (informative): Bibliography
History
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