{"id":7230,"date":"2023-04-20T03:30:07","date_gmt":"2023-04-20T03:30:07","guid":{"rendered":"https:\/\/www.espowercorp.com\/?page_id=7230"},"modified":"2026-04-08T04:18:40","modified_gmt":"2026-04-08T04:18:40","slug":"current-transformer-for-relay","status":"publish","type":"page","link":"https:\/\/www.espowercorp.com\/en\/current-transformer-for-relay\/","title":{"rendered":"CURRENT TRANSFORMER FOR RELAY"},"content":{"rendered":"
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SD-BD-04-01\/Rev.20\/18-03-69<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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CURRENT TRANSFORMER (NCR)<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Description<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NCR Series Current Transformer for protective relay can work under such condition when system current is much times than rated working current, or can work under exceeding measuring current transformer. When current transformer is used to power protective relay, it still keeps its electrical characteristics on many times of working current.
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0The product can be applied to protect the equipment against the damage, in the AC circuit with the rated voltage value below 720V and the frequency of 50-60Hz.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Features<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u2022\u00a0 \u00a0 Primary current 100A to 5000A<\/p>

\u2022\u00a0 \u00a0 Protection class 5P10, 5P20<\/p>

\u2022\u00a0 \u00a0 High accuracy protection level<\/p>

\u2022\u00a0 \u00a0 Safe, easy to install, portable<\/p>

\u2022\u00a0 \u00a0 Wide range of sizes<\/p>

\u2022\u00a0 \u00a0 Standard IEC 60044-1, IEC 61869-2, VDE 0414<\/p>

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Application<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u2022\u00a0 \u00a0 Current measurement of monitoring device and relay protection device<\/p>

\u2022\u00a0 \u00a0 Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system, air-condition equipment and automation-control system<\/p>

\u2022\u00a0 \u00a0 Current, power and energy monitoring device<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Specification <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Dimension<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Product Coding <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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SD-BD-04-01\/Rev.20\/18-03-69 CURRENT TRANSFORMER (NCR) Description \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NCR Series Current Transformer for protective relay can work under such condition when system current is much times than rated working current, or can work under exceeding measuring current transformer. When current transformer is used to power protective relay, it still keeps its electrical […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"yoast_head":"\nCURRENT TRANSFORMER FOR RELAY - ESPOWER<\/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:\/\/www.espowercorp.com\/en\/current-transformer-for-relay\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CURRENT TRANSFORMER FOR RELAY - ESPOWER\" \/>\n<meta property=\"og:description\" content=\"SD-BD-04-01\/Rev.20\/18-03-69 CURRENT TRANSFORMER (NCR) Description \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NCR Series Current Transformer for protective relay can work under such condition when system current is much times than rated working current, or can work under exceeding measuring current transformer. When current transformer is used to power protective relay, it still keeps its electrical […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.espowercorp.com\/en\/current-transformer-for-relay\/\" \/>\n<meta property=\"og:site_name\" content=\"ESPOWER\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-08T04:18:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2025\/03\/Nava-logo-1536x526.png\" \/>\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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.espowercorp.com\/current-transformer-for-relay\/\",\"url\":\"https:\/\/www.espowercorp.com\/current-transformer-for-relay\/\",\"name\":\"CURRENT TRANSFORMER FOR RELAY - ESPOWER\",\"isPartOf\":{\"@id\":\"https:\/\/www.espowercorp.com\/#website\"},\"datePublished\":\"2023-04-20T03:30:07+00:00\",\"dateModified\":\"2026-04-08T04:18:40+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.espowercorp.com\/current-transformer-for-relay\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.espowercorp.com\/current-transformer-for-relay\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.espowercorp.com\/current-transformer-for-relay\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"ESPOWER \u0e08\u0e33\u0e2b\u0e19\u0e48\u0e32\u0e22\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e41\u0e25\u0e30\u0e23\u0e31\u0e1a\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e41\u0e25\u0e30\u0e1c\u0e25\u0e34\u0e15\u0e15\u0e39\u0e49\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e17\u0e38\u0e01\u0e0a\u0e19\u0e34\u0e14.\",\"item\":\"https:\/\/www.espowercorp.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CURRENT TRANSFORMER FOR RELAY\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.espowercorp.com\/#website\",\"url\":\"https:\/\/www.espowercorp.com\/\",\"name\":\"ESPOWER\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.espowercorp.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.espowercorp.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.espowercorp.com\/#organization\",\"name\":\"ESPOWER\",\"url\":\"https:\/\/www.espowercorp.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.espowercorp.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/cropped-ESPOWER.png\",\"contentUrl\":\"https:\/\/www.espowercorp.com\/wp-content\/uploads\/2022\/05\/cropped-ESPOWER.png\",\"width\":1756,\"height\":285,\"caption\":\"ESPOWER\"},\"image\":{\"@id\":\"https:\/\/www.espowercorp.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CURRENT TRANSFORMER FOR RELAY - ESPOWER","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:\/\/www.espowercorp.com\/en\/current-transformer-for-relay\/","og_locale":"en_US","og_type":"article","og_title":"CURRENT TRANSFORMER FOR RELAY - ESPOWER","og_description":"SD-BD-04-01\/Rev.20\/18-03-69 CURRENT TRANSFORMER (NCR) Description \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0NCR Series Current Transformer for protective relay can work under such condition when system current is much times than rated working current, or can work under exceeding measuring current transformer. 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