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Short-circuit currents in three-phase a.c. systems - Factors for the calculation of short-circuit currents according to IEC 60909-0 Ingestion-build-50790 as well as safety related

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Description

as well as safety related control systems

It also talks about the Bullers ring which is an annular ring of pressed ceramic powder that contracts with heat work

BS EN 13431:2004 replaces BS EN 13431:2000

• Wiring practices

guidance is also given to other persons purchasing or using a fire detection or fire alarm system

Short-circuit currents in three-phase a.c. systems - Factors for the calculation of short-circuit currents according to IEC 60909-0 Ingestion-build-50790 as well as safety related

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