En 55014-1
Charise Farag
It specifies the requirements that apply to the emission of radio-frequency disturbances in the frequency range 9 kHz to 400 GHz from household appliances, electric tools, and similar apparatus, whether powered by AC or DC (including a battery).
It indicates the electromagnetic immunity requirements in the frequency range of 0 Hz to 400 GHz that apply to the same household appliances, electric tools, and similar apparatus.
Common domestic appliances like washing machines, tumble dryers, and refrigerators all fall under the scope of EN 55014, as do electric/electronic toys, automatic dispensing machines, personal care, and beauty care appliances.
A key update and significant technical change to the previous editions include the extension of the frequency range for radiated emissions up to 6 GHz in EN55014-1 and EN 55014-2, the extension of the frequency range for radiated immunity up to 6 GHz.
This extension of the frequency ranges for both radiated emissions and immunity now brings EN 55014 into alignment with other product-specific standards. For manufacturers, it means if they have a product that includes a clock frequency greater than 108 MHz, they will need to consider the additional radiated emissions testing.
Likewise, from an immunity perspective, if they have a mains-powered product that includes a clock frequency greater than 200 MHz, they will need to consider the new equipment category 5 requirements resulting in additional radiated immunity testing.
The addition of requirements for wired network ports also means affected products will require additional tests.
EN 55014 EMC testing applies to the conduction and the radiation of radio-frequency disturbances from appliances whose main functions are performed by motors and switching or regulating devices, unless the r.f. energy is intentionally generated or intended for illumination. EN-55014 testing includes such equipment as:
Other devices that must comply with an EN 55014 test include separate parts of the mentioned equipment such as motors, and switching devices e.g. (power or protective) relays. However, no emission requirements apply unless formulated in this standard. Conversely, excluded from the requirements of an EN-55014 test are apparatus for which all emission requirements in the radio frequency range are explicitly formulated in other IEC or CISPR standards.
To correctly complete the testing, an EN 55014 test lab will cover the frequency range from 9 kHz to 400 GHz. EN 55014-1 testing includes both conducted emissions and radiated emissions testing. EN-55014-1 testing includes in the definition of conducted emissions those emissions determined to be terminal disturbances and discontinuous.
EMC EN 55014-1 test labs often referral to these disturbances as clicks. In addition to clicks, EN 55014-1 testing labs may also test for flicker, voltage fluctuations, line harmonic emissions, and limitation of voltage changes.
Keystone Compliance is recognized as one of the premier EN-55014-1 test laboratories in the country. Our test facility features five EMC chambers, including three full-sized three-meter chambers. Our chambers have extra-large doors, heavy-duty turntables, and exhaust systems.
These features allow Keystone to test oversized items and engine-operating devices in the chamber. In addition to having phenomenal equipment capabilities, we also offer engineering assistance throughout the test program. When customers have units unable to initially meet the requirements of EN-55014-1 testing, our team of engineers provides expert guidance to identify the issues and find remedies to correct them. This engineering assistance sets us apart in the industry.
EN 55014-1:2017(CE type approval)is the principal standard for electromagnetic disturbance requirements. It specifies the requirements that apply to the emission of radio-frequency disturbances in the frequency range 9 kHz to 400 GHz from appliances, electric tools, and more apparatuses whether powered by AC or DC.
The standard of CE type approval applies to conducted and radiated radio-frequency disturbances from appliances whose main functions are performed by motors and switching or regulating devices unless the RF energy is intentionally generated or intended for illumination.
This includes equipment such as household electrical appliances, Electric tools Regulating controls using semiconductor devices, Motor-driven electro-medical apparatuses. Amendment A11:2020-As technology advances, household products have also grown more complex. This has increased the probability of electromagnetic interference for these products. Amendment A11:2020 was created largely to address this EM disturbance.
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This Amendment contains the German version of the European Amendment EN 55014-1:2017/A11:2020. It adds a new Annex ZZ in EN 55014-1:2017. Hereby the new annex also informs that clause 7 of the standard which describes a procedure for the statistical assessment of the conformity of series produced equipment shall not be applied for the presumption of conformity with essential requirements of the EMC Directive 2014/30/EU. The standard specifies limits and the associated measuring methods for the electromagnetic emission of household appliances, electric tools and similar apparatus. The requirements apply for the frequency range 9 kHz to 400 GHz.
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