Safety of transformers, reactors, power supply units and combinations thereof - Particular requirements and tests for transformers and power supply units for bells and chimes Ingestion-build-135476 Note 3: BS EN IEC

Note 3: BS EN IEC 60730-2-14 is applicable to individual electric actuators utilized as part of a control system or controls

For specific materials and /or products

the flatness of the base datum and the measuring faces

depends on the (local) processing power of the device itself

Safety of transformers, reactors, power supply units and combinations thereof - Particular requirements and tests for transformers and power supply units for bells and chimes Ingestion-build-135476 Note 3: BS EN IECWhat is BS EN 61558 2 8 Transformers and power supply units for bells and chimes about? BS EN 61558 2 8 is a British standard which deals with the safety of bell and chime transformers and power supply units incorporating bell and chime transformers. Transformers incorporating electronic circuits are also covered by BS EN 61558 2 8. BS EN 61558 2 8 is applicable to stationary, single phase, air cooled (natural or forced) independent or associated dry