Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - ...
States the characteristics of control circuit devices, the electrical and mechanical requirements, the various duties to be performed, the significance of the rated characteristics and of the markings, the tests to verify the rated characteristics, the functional requirements to be satisfied by the control circuit devices, environmental conditions, including those of enclosed equipment,…
Information technology - Telecommunications and information exchange between systems - Private Integ...
This International Standard specifies the service description and control aspects, including functional capabilities and
information flows, of standardised circuit-mode bearer services which may be supported by a Private Integrated Services
Network (PISN).
This International Standard includes the following basic services:
_ Circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service…
Information technology — Telecommunications and information exchange between systems — Private Integ...
This International Standard specifies the service description and control aspects, including functional capabilities and
information flows, of standardised circuit-mode bearer services which may be supported by a Private Integrated Services
Network (PISN).
This International Standard includes the following basic services:
_ Circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service…
Low-voltage switchgear and controlgear assemblies - Part 2: Particular requirements for busbar trunk...
Applies to busbar trunking systems intended to supply luminaires
through tap-off units but does not apply to supply track systems in
accordance with IEC Publication 570.
Specifications for particular types of winding wires - Part 21: Solderable polyurethane enamelled ro...
This consolidated version consists of the second edition (1990), its amendment 1 (1997) and its amendment 2 (1999). Therefore, no need to order amendments in addition to this publication.
Fire hazard testing - Part 11-3: Test flames - 500 W flames - Apparatus and confirmational test meth...
Gives the detailed requirements for the production of a nominal 500 W, pre-mixed type test flame. the approximate overall height is 125 mm.
Four methods are given: flame A and D may only be produced using methane, flame B may only be produced using propane and flame C may be produced using either methane or propane.
Has the status of a basic safety publication in accordance with IEC Guide 104.