Thanks all – at least I am not the only one unsure. I am trying to establish a set of criteria that I can ask our engineers and marketers that will determine the classification. A decision tree, if you will. This arose from a device that met the less stringent criteria, but not the more stringent and then what to do. To prevent the need to debate this topic over and over, I was hoping to establish a go forward approach. Ideally, that approach would be “design for both industrial AND non-industrial and be done with it.” However, other factors are at play than just my druthers.
-Jamison From: John Woodgate [mailto:jmw1...@btinternet.com] Sent: Tuesday, October 18, 2016 12:44 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Criteria for determining industrial vs. non-industrial for EMC testing purposes For Europe, the sources are the Generic standards, which are substantially consistent with CISPR 11. With best wishes DESIGN IT IN! OOO – Own Opinions Only www.jmwa.demon.co.uk<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.jmwa.demon.co.uk_&d=DQMFaQ&c=clRTYxLjfWTYQkksq4Trqw&r=SuXR4v_cWDGps50Ob7OgG3eGvjdtolb5h84QBM8NxmY&m=YBc-OAqaIXpaBu7LDEilUSP7k5HwjSK9Dpuedr-cf0o&s=Tw7R0rvcEmoCGo36ftzkzv1jvoR_Bk-evzNbxvU8NuM&e=> J M Woodgate and Associates Rayleigh England Sylvae in aeternum manent. From: Doug Nix [mailto:d...@ieee.org] Sent: Tuesday, October 18, 2016 5:25 PM To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: Re: [PSES] Criteria for determining industrial vs. non-industrial for EMC testing purposes My understanding has always been based on the Class and Group designations in CISPR 11 / EN 55011 for ISM equipment (based on the 2009 edition): 5.3 Division into classes Class A equipment is equipment suitable for use in all establishments other than domestic and those directly connected to a low voltage power supply network which supplies buildings used for domestic purposes. Class A equipment shall meet class A limits. Warning: Class A equipment is intended for use in an industrial environment. In the documentation for the user, a statement shall be included drawing attention to the fact that there may be potential difficulties in ensuring electromagnetic compatibility in other environments, due to conducted as well as radiated disturbances. Class B equipment is equipment suitable for use in domestic establishments and in establishments directly connected to a low voltage power supply network which supplies buildings used for domestic purposes. Class B equipment shall meet class B limits. The key in all of this is the source of power supply for the equipment. If the equipment is supplied from mains that are shared with domestic establishments, then it must meet Class B requirements IMO. If the equipment is intended for industrial use, i.e., Class A, where the power supply from the mains is not shared with domestic establishments, then Class A performance is acceptable. The deciding factor is the sharing of the supply with domestic establishments. If a location is fed from its own substation and there are no dwellings supplied from that substation, it’s an industrial location, and therefore Class A. Doug Nix d...@ieee.org<mailto:d...@ieee.org> +1 (519) 729-5704 On 18-Oct-16, at 08:44, Kortas, Jamison <jamison.kor...@ecolab.com<mailto:jamison.kor...@ecolab.com>> wrote: Good Morning, What do you use for criteria when reviewing the intended environment in which a device will be placed to determine if it is industrial or non-industrial? I have seen and read varying opinions on what criteria to use. It ranges from a transformer isolated factory to the nature of the other products in the immediate vicinity (a mechanical room in a grocery store = industrial due to the equipment in its immediate environment). I am familiar with some of the definitions in places, but am not so sure that those are what are typically followed in practice. I appreciate any thoughts. Thank you. - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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