{"id":4177,"date":"2026-10-14T06:14:54","date_gmt":"2026-10-14T06:14:54","guid":{"rendered":"https:\/\/acrel.pl\/?post_type=product&p=4177"},"modified":"2026-10-14T06:17:35","modified_gmt":"2026-10-14T06:17:35","slug":"arb4-arc-flash-protection-relay","status":"publish","type":"product","link":"https:\/\/acrel.pl\/ru\/product\/arb4-arc-flash-protection-relay\/","title":{"rendered":"ARB4 Arc Flash Protection Relay"},"content":{"rendered":"\n

General<\/strong><\/h2>\n\n\n\n

Acrel ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.<\/p>\n\n\n\n

Technical Parameter<\/h2>\n\n\n\n
 Model \/ Function<\/td>ARB4-A1<\/td>ARB4-A2<\/td>ARB4-A3<\/td><\/tr>
Hardware<\/td>Arc sensor signal acquisition<\/td>1<\/td>2<\/td>3<\/td><\/tr>
Current signal aquisition<\/td>1 set of 3-phase currents,  total of  4 current channels<\/td><\/tr>
Voltage signal acquisition<\/td>3 zero sequence voltages, a total of 3 voltage channels<\/td><\/tr>
Digital Input<\/td>8<\/td><\/tr>
Digital Output<\/td>5 normally open relay outputs<\/td><\/tr>
485 interface<\/td>1<\/td><\/tr>
Function<\/td>Arc protection<\/td>Arc criterion<\/td>\u221a<\/td><\/tr>
Arc&Current criterion<\/td>\u221a<\/td><\/tr>
Arc&Zero-sequence Voltage criterion<\/td>\u221a<\/td><\/tr>
Arc monitoring and fault location<\/td>\u221a<\/td><\/tr>
Real time self inspection of arc sensors and fiber optic links<\/td>\u221a<\/td><\/tr>
failure protection<\/td>\u221a<\/td><\/tr>
CT disconnection monitoring<\/td>\u221a<\/td><\/tr>
non-electricity protection<\/td>\u221a<\/td><\/tr>
Device abnormal alarm<\/td>\u221a<\/td><\/tr>
Maintenance status lock<\/td>\u221a<\/td><\/tr>
Fault recording<\/td>\u221a<\/td><\/tr>
Protocol<\/td>Modbus<\/td>\u221a<\/td><\/tr>
IEC101<\/td>\u221a<\/td><\/tr>
IEC103<\/td>\u221a<\/td><\/tr>
IRIG-B<\/td>\u221a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Electromagnetic compatibility performance<\/strong><\/h2>\n\n\n\n
<\/td>Test item<\/td>Requirement<\/td><\/tr>
1<\/td>Radiation emission limit test<\/td>GB\/T 14598.26IEC 60255-26IEC 61000-6-3IEC 61000-6-4<\/td><\/tr>
2<\/td>Conduction emission limit test<\/td>GB\/T 14598.26IEC 60255-26IEC 61000-6-3IEC 61000-6-4<\/td><\/tr>
3<\/td>Radio-frequency electromagnetic field radiation immunity<\/td>Meet the requirements of IEC 60255-26,severity is 10V\/m.<\/td><\/tr>
4<\/td>Electrostatic discharge immunity<\/td>Meet the requirements of IEC 60255-26,severity is IV level.<\/td><\/tr>
5<\/td>Disturbance immunity of RF Field Induction conduction<\/td>Meet the requirements of IEC 60255-26, severe grade disturbance level is 10V.<\/td><\/tr>
6<\/td>Immunity of electric fast transient pulse group<\/td>Meet the requirements of IEC 60255-26,severity is IV level.<\/td><\/tr>
7<\/td>Slow-damped oscillation wave immunity<\/td>Meet the requirements of IEC 60255-26,the common mode is 2.5 and the difference module is 1.<\/td><\/tr>
8<\/td>Surge immunity<\/td>Meet the requirements of IEC 60255-26,severity is IV level.<\/td><\/tr>
9<\/td>Effect test of AC and DC voltage sag interruption<\/td>GB\/T 14598.26IEC 60255-26<\/td><\/tr>
10<\/td>Power frequency magnetic field immunity<\/td>Meet the requirements of IEC 60255-26,severity is V level.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Typical Connection<\/strong><\/h2>\n\n\n\n
\"ARB<\/figure>\n\n\n\n
\"ARB6<\/figure>\n\n\n\n

Installation<\/strong><\/h2>\n\n\n\n
\"ARB6<\/figure>\n\n\n\n
\"ARB6<\/figure>\n\n\n\n
\"ARB6<\/figure>\n\n\n\n

Installation<\/strong><\/h2>\n\n\n\n
\"ARB4<\/figure>\n\n\n\n
\"ARB4<\/figure>\n\n\n\n

Outline and Dimension<\/strong><\/h2>\n\n\n\n
\"ARB4<\/figure>\n\n\n\n
\"ARB6<\/figure>\n\n\n\n

On-site Pictures<\/strong><\/h2>\n\n\n\n
\"ARB6<\/figure>\n\n\n\n
\"ARB6<\/figure>\n","protected":false},"excerpt":{"rendered":"\u25cf Power supply: AC\/DC220V, AC\/DC110V, DC48V ,DC24\n\u25cf Voltage range: 0.1 ~ 120V\n\u25cf Rated current: AC 5A\/1A\n\u25cf Rated frequency: 50Hz or 60Hz\n\u25cf Digital Input \/ Digital Output","protected":false},"featured_media":4181,"template":"","productcat":[6,42],"class_list":["post-4177","product","type-product","status-publish","has-post-thumbnail","hentry","productcat-power-protection","productcat-arc-protection"],"yoast_head":"\nARB4 Arc Flash Protection Relay - ACREL<\/title>\n<meta name=\"description\" content=\"Acrel\u00a0ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/acrel.pl\/ru\/product\/arb4-arc-flash-protection-relay\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ARB4 Arc Flash Protection Relay - ACREL\" \/>\n<meta property=\"og:description\" content=\"Acrel\u00a0ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/\" \/>\n<meta property=\"og:site_name\" content=\"ACREL\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-14T06:17:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1046\" \/>\n\t<meta property=\"og:image:height\" content=\"1046\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/\",\"url\":\"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/\",\"name\":\"ARB4 Arc Flash Protection Relay - ACREL\",\"isPartOf\":{\"@id\":\"https:\/\/acrel.pl\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg\",\"datePublished\":\"2026-10-14T06:14:54+00:00\",\"dateModified\":\"2026-10-14T06:17:35+00:00\",\"description\":\"Acrel\u00a0ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.\",\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/#primaryimage\",\"url\":\"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg\",\"contentUrl\":\"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg\",\"width\":1046,\"height\":1046},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/acrel.pl\/#website\",\"url\":\"https:\/\/acrel.pl\/\",\"name\":\"ACREL\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/acrel.pl\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ARB4 Arc Flash Protection Relay - ACREL","description":"Acrel\u00a0ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/acrel.pl\/ru\/product\/arb4-arc-flash-protection-relay\/","og_locale":"en_US","og_type":"article","og_title":"ARB4 Arc Flash Protection Relay - ACREL","og_description":"Acrel\u00a0ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.","og_url":"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/","og_site_name":"ACREL","article_modified_time":"2026-10-14T06:17:35+00:00","og_image":[{"width":1046,"height":1046,"url":"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/","url":"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/","name":"ARB4 Arc Flash Protection Relay - ACREL","isPartOf":{"@id":"https:\/\/acrel.pl\/#website"},"primaryImageOfPage":{"@id":"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/#primaryimage"},"image":{"@id":"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/#primaryimage"},"thumbnailUrl":"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg","datePublished":"2026-10-14T06:14:54+00:00","dateModified":"2026-10-14T06:17:35+00:00","description":"Acrel\u00a0ARB4 series arc protection device integrates multiple functions such as protection, measurement, monitoring, control, communication, fault recording, event recording, etc. It can monitor arc signals, protect current or voltage signals in real time, and achieve arc protection function for 0.4kV~35kV medium and low voltage distribution systems.","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/acrel.pl\/product\/arb4-arc-flash-protection-relay\/#primaryimage","url":"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg","contentUrl":"https:\/\/acrel.pl\/wp-content\/uploads\/2026\/10\/4-3.jpg","width":1046,"height":1046},{"@type":"WebSite","@id":"https:\/\/acrel.pl\/#website","url":"https:\/\/acrel.pl\/","name":"ACREL","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/acrel.pl\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/acrel.pl\/ru\/wp-json\/wp\/v2\/product\/4177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/acrel.pl\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/acrel.pl\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/acrel.pl\/ru\/wp-json\/wp\/v2\/media\/4181"}],"wp:attachment":[{"href":"https:\/\/acrel.pl\/ru\/wp-json\/wp\/v2\/media?parent=4177"}],"wp:term":[{"taxonomy":"productcat","embeddable":true,"href":"https:\/\/acrel.pl\/ru\/wp-json\/wp\/v2\/productcat?post=4177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}