EMC Safety and Reliability

EMC, or Electro Magnetic Compatibility, is crucial in ensuring electrical products function properly without interference. When an electrical conductor carries current, it generates a magnetic field. This field can induce a current in nearby conductors, potentially causing malfunctions or dangerous actions in equipment.

To prevent such issues, various real-world phenomena are considered. One key aspect is Radiated Immunity: local radio antennas emit signals that are picked up by radios via their antennas. However, other equipment with conductors, like power or sensor cables, can also act as antennas. If equipment isn't immune to these signals, it might misinterpret them, leading to malfunctions. The equipment's performance under these conditions is assessed using performance criteria. For constant signals, such as those from radio transmitters, equipment must operate correctly at all times (Criterion A).

Temporary disturbances, like burst transients from bouncing relay contacts, only occur during contact changes. Equipment must return to normal once the disturbance passes (Criterion B).

Harmonized EN standards set minimum requirements for CE compliance, but Eltwin goes beyond these to ensure quality. Enhanced requirements not only increase amplitude but also consider other relevant phenomena and required performance criteria. Understanding product installation, use, and user expectations for functionality, robustness, and longevity is vital.

At Eltwin, we work with EMC daily. We have invested in our own laboratory and ensure our staff is well-trained and active in technology forums. Our products cater to household, industrial, marine, and automotive applications, demonstrating our commitment to quality and reliability.