{"id":57320,"date":"2018-06-11T09:00:56","date_gmt":"2018-06-11T08:00:56","guid":{"rendered":"http:\/\/blog.phoenixcontact.com\/marketing-gb\/?p=57320"},"modified":"2018-12-11T13:31:18","modified_gmt":"2018-12-11T13:31:18","slug":"what-has-surge-protection-got-to-do-with-safety","status":"publish","type":"post","link":"https:\/\/blog.phoenixcontact.com\/marketing-gb\/what-has-surge-protection-got-to-do-with-safety\/","title":{"rendered":"What has surge protection got to do with safety?"},"content":{"rendered":"

Written by Mark Lloyd and Andy Maskell<\/p>\n

Anything that increases the reliability of your safety circuit has to be a good thing…..<\/p>\n

In fact, it is a basic requirement when using safety relays<\/a> or Safe PLCs<\/a> that the outputs are protected against overcurrent and overvoltage<\/a> to prevent dangerous failures.<\/p>\n

In the case of a safety relay output, this may be in the form of a welded relay contact for example.<\/p>\n

\"blog_image_1\"<\/p>\n

So wouldn\u2019t it make sense to fit SURGE PROTECTION?<\/u><\/strong><\/p>\n

\"blog_image_2\"<\/p>\n

If you are considering CCF or Common Cause Failure<\/u> in a dual channel system Table F.1 in ISO 13849-1 (See below) demonstrates the measures you can use to reduce the likelihood of these failures occurring.<\/p>\n

The table provides a scoring system relating to the how well this has been done using the engineering methods listed in the table. These measures increase the integrity of your safety control circuit and safety in general.<\/a> One of the measures is to provide protection against overvoltage, overpressure, overcurrent and over temperature.<\/span><\/p>\n

\"blog_image_3\"<\/p>\n

A score of 75 is deemed to satisfy this requirement and forms\u00a0an essential part of the safety design and implementation. Fitting surge protection<\/a> <\/span>gives you a 15 point contribution towards this score and is the third highest <\/span>on the list.<\/span><\/p>\n

So hopefully the message is clear…<\/strong><\/p>\n

\"blog~_image_5\"<\/p>\n

Written by Mark Lloyd and Andy Maskell:<\/p>\n

You can contact them here:<\/p>\n

Andrew Maskell (Product Manager \u2013 Safety) Mob: 07584 235440<\/strong><\/p>\n

Email: <\/strong>amaskell@phoenixcontact.com<\/strong><\/a><\/p>\n

Mark Lloyd (Product Manager \u2013 Power Supplies & Surge Protection) Mob:07717 335477<\/strong><\/p>\n

Email: mlloyd@phoenixcontact.com\u00a0<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Written by Mark Lloyd and Andy Maskell Anything that increases the reliability of your safety circuit has to be a good thing….. In fact, it is a basic requirement when using safety relays or Safe PLCs that the outputs are protected against overcurrent and overvoltage to prevent dangerous failures. In the case of a safety […]<\/p>\n","protected":false},"author":150,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,8,1],"tags":[51,73,82,92,113,115,373,144,401,155,178,194,196,203],"class_list":["post-57320","post","type-post","status-publish","format-standard","hentry","category-news","category-product-spotlight","category-uncategorized","tag-electrical-safety","tag-functional-safety","tag-industrial-ethernet","tag-industry-solutions","tag-machine-building","tag-marketing","tag-monday-blog","tag-phoenix-contact-uk","tag-power","tag-process-industry","tag-safety","tag-solar","tag-solutions","tag-surge-protection"],"yoast_head":"\nWhat has surge protection got to do with safety? | United Kingdom<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.phoenixcontact.com\/marketing-gb\/what-has-surge-protection-got-to-do-with-safety\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What has surge protection got to do with safety? | United Kingdom\" \/>\n<meta property=\"og:description\" content=\"Written by Mark Lloyd and Andy Maskell Anything that increases the reliability of your safety circuit has to be a good thing….. 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