EN 62054-21
EN 62054-21 specifies the requirements for the type testing of newly manufactured indoor time switches with operation reserves.
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Organization: EN Standards for EMC Testing
Amendment Year: 2007
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Application
Overview
EN 62054-21 specifies the requirements for the type testing of newly manufactured indoor time switches with operation reserves. These switches are used for controlling electrical loads, multi-tariff registers, and maximum demand devices in electricity metering equipment.
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