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IEC Publishes IEC 61204-7:2016 for Switch Mode Power Supplies

twr-smps-lvfb-device
twr-smps-lvfb-device

The International Electrotechnical Commission (IEC) has released IEC 204-7:2016. This standard pertains to low-voltage switch mode power supplies – Part 7: Safety requirements and is now available on the IEC webstore. Description: “IEC 61204-7:2016 specifies the safety requirements for switch mode power supply (SMPS) units supplied by source voltages up to 1 000 V AC or 1 500 V DC providing AC and/or DC output(s), except inverter output(s) establishing AC mains. This product standard covers both stand-alone and component SMPS as defined in this document. DC power and distribution equipment which provides, distributes, monitors, and controls isolated secondary circuit power to other equipment typically used in information and communication technology equipment installations. This edition includes the following significant technical changes with respect to the previous edition:

a) use of IEC 62477-1 as reference document, instead of IEC 60950-1;
b) modification of the title by deleting the wording “DC output-” and adding “switch mode.

 

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A Dash of Maxwell’s: A Maxwell’s Equations Primer – Part Two

Maxwell’s Equations are eloquently simple yet excruciatingly complex. Their first statement by James Clerk Maxwell in 1864 heralded the beginning of the age of radio and, one could argue, the age of modern electronics.

*Description from the IEC Website.

 

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