Thank you Dave and John for your answers. The question is if the equipment is a control panel made of off-the-shelf components with UL/CE mark, 1. then UL 508A should be enough or do we need to apply UL 61010-1 or NFPA79? 2. In the case of Europe, EN 60204-1 should be enough then?
Thank you for your answers Kind Regards / Saludos cordiales / Mit freundlichen Grüßen Daniel Rodríguez From: Nyffenegger, Dave <dave.nyffeneg...@bhemail.com> Sent: Friday, 13 December 2019 14:07 To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] UL508A vs UL61010-1 for control and monitoring equipment Caution: This email originated from outside of the organization. DO NOT CLICK on links or open attachments unless you recognize the sender and know the content is safe. UL 508A is intended to cover the control panel itself while 61010-1 applies to the "equipment" it is used in. That being said I have had NRTLs apply 508A to machinery "equipment" using such control panels (not separately listed) because they have to use "some" UL standard for an NRTL listing, and use NFPA 79 for the equipment standard. NFPA 79 is harmonized with EN 60204-1. -Dave From: John Woodgate [mailto:j...@woodjohn.uk] Sent: Friday, December 13, 2019 4:01 AM To: EMC-PSTC@LISTSERV.IEEE.ORG<mailto:EMC-PSTC@LISTSERV.IEEE.ORG> Subject: Re: [PSES] UL508A vs UL61010-1 for control and monitoring equipment Hello, Daniel. The word is actually 'criterion', 'criteria' is plural. UL508A seems to be restricted to something that switches other things on or off, or alters their operating modes. UL61010-1 is for something that sends analog or digital control values, such as heater temperature or rate of rotation, to other things. If your panel does that, 61010-1 applies. Best wishes and seasonal felicitations John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk<https://urldefense.com/v3/__http:/www.woodjohn.uk__;!!Nkc5UzxO!_-fx1OgqIDOzUnivvMN-RT9k91ib0I4UqdYCq9FJVy7XKZK4LSG-TqwfMhL1t2kx$> Rayleigh, Essex UK On 2019-12-13 08:50, Rodriguez, Daniel (ESP) wrote: Good morning all I have a industrial control equipment with sensors and flowmeters made in an electrical panel of standard components. Is there a criteria to use UL508A or UL61010-1? It seems that UL508A is applicable for: This equipment consists of assemblies of two or more power circuit components, such as motor controllers, overload relays, fused disconnect switches, and circuit breakers, or control circuit components, such as pushbuttons, pilot lights, selector switches, timers, and control relays, or a combination of power and control circuit components, with associated wiring, and terminals . These components are mounted on, or contained within, an enclosure, or are mounted on a sub-panel. And UL61010-1 is for Electrical industrial process-control equipment This is equipment which controls one or more output quantities to specific values, with each value determined by manual setting, by local or remote programming, or by one or more input variables. But it is not clear if a industrial panel made of UL approved components needs to be certified for UL508A or can be UL61010-1? Or there is any restriction Thank you for your answer Kind Regards / Saludos cordiales / Mit freundlichen Grüßen Daniel Rodríguez CONFIDENTIALITY NOTICE: This e-mail communication and any attachments may contain proprietary and privileged information for the use of the designated recipients named above. Any unauthorized review, use, disclosure or distribution is prohibited. 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