BS EN 61643-21. Low voltage surge protective devices. Part 21. Surge protective devices connected to telecommunications and signalling networks. Performance requirements and testing methods (30th March 2022)

• Record Type: Book
• Authors: British Standards Institution,
• Publisher Details: London : British Standards Institution
• Publication Date: 2022
• Extent: 1 online resource (84 pages)
• Subjects: 602.1841; Overcurrent protection; Surge limiters; Lightning protection; Telecommunication systems; Circuits; Communication networks; Overvoltage protection; Electrical equipment; Electrical testing; Mechanical testing; Low voltage; Type testing; Rated voltage; Electrical protection equipment; Environmental testing; Surge protection
• Languages: English
• ISSNs: 3043-9450
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.