{"id":2762,"date":"2025-02-11T21:07:17","date_gmt":"2025-02-11T21:07:17","guid":{"rendered":"https:\/\/www.basler.com\/product\/plug-and-play-and-retrofit-relays\/"},"modified":"2026-02-19T14:43:52","modified_gmt":"2026-02-19T20:43:52","slug":"plug-and-play-and-retrofit-relays","status":"publish","type":"product","link":"https:\/\/cn.basler.com\/zh-hans\/product\/plug-and-play-and-retrofit-relays\/","title":{"rendered":"BE1-50\/51 Plug and Play and Retrofit Relays"},"content":{"rendered":"<section  data-block-id=\"hammer_block_5d80af511f94c165c2e4865939e441a4\" data-block=\"hero-10\" class=\"block block-hero-10 hero-10\" id=\"overview\">    <div class=\"wrapper\">\n        <div class=\"left_content\">\n                            <div class=\"headline-wrapper\">\n                                            <strong class=\"overline\">Protective Relay Systems<\/strong>\n                    \n                    <h1 id=\"hammer_component_69e020a8c24a2\" data-component=\"headline\" class=\"component component-headline headline medium style-default\">BE1-50\/51 Plug and Play and Retrofit Relays<\/h1>\n                <\/div>\n            \n            \n                                                <div class=\"buttons\">\n                                                                                                    \n                                                                                                                                                                    <a id=\"hammer_component_69e020a8c2de5\" data-component=\"button\" class=\"component component-button button style-secondary\" href=\"?languages=%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87&amp;products=2762,36983,36982,36981,36980,36979,36978,36977,36976,36975,36974\" target=\"\" title=\"View Resources\" aria-label=\"View Resources\">    <span class=\"button-wrapper\">\n                    <strong class=\"button-text\">View Resources<\/strong>\n        \n                    <span 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data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2.jpg 1084w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-768x425.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-1024x567.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-150x83.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-414x229.jpg 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                            <\/div>\n                                            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https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1641-414x229.png 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                            <\/div>\n                                            <\/div>\n                <\/div>\n\n                                    <div class=\"slider slider-vertical\">\n                        <div class=\"swiper-wrapper\">\n                                                            <div class=\"swiper-slide\">\n                                                                            <figure id=\"hammer_component_69e020a8c5346\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2.jpg 1084w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-768x425.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-1024x567.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-150x83.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/BE1-5051B235_CI-NEW2-414x229.jpg 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                                    <\/div>\n                                                            <div class=\"swiper-slide\">\n                                                                            <figure id=\"hammer_component_69e020a8c5805\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1337.jpg\" class=\"img\" alt=\"BE1-79A&#37325;&#21512;&#38392;&#32487;&#30005;&#22120;\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1337.jpg 1084w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1337-768x425.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1337-1024x567.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1337-150x83.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1337-414x229.jpg 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                                    <\/div>\n                                                            <div class=\"swiper-slide\">\n                                                                            <figure id=\"hammer_component_69e020a8c5bee\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1641.png\" class=\"img\" alt=\"BE1-87B&#65288;9282300111&#65289;GE PVD21B&#21644;PVD21D&#25913;&#35037;&#32380;&#38651;&#22120;\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1641.png 1084w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1641-768x425.png 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1641-1024x567.png 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1641-150x83.png 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/02\/1641-414x229.png 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                                    <\/div>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n            <\/div>\n    <\/section>\n\n<section  data-block-id=\"hammer_block_f280d6b27a0fb0b9907090ef21138c54\" data-block=\"product-features-benefits\" class=\"block block-product-features-benefits product-features-benefits spacing-top-default spacing-bottom-default\" id=\"features-benefits\">\t<div class=\"wrapper\">\n\t\t<div class=\"headline-wrapper\">\n            <h2 id=\"hammer_component_69e020a8d3377\" data-component=\"headline\" class=\"component component-headline headline style-default\">&mdash; &#20135;&#21697;&#29305;&#28857;&#21644;&#20248;&#21183;<\/h2>\n\t\t<\/div>\n\n        \t\t\t<ul class=\"items\">\n                \t\t\t\t\t<li class=\"item\">\n                        <div id=\"hammer_component_69e020a8d3459\" data-component=\"rich-text\" class=\"component component-rich-text rich-text\"><ul>\n<li>&ldquo;Plug and Play&rdquo; retrofits minimize cost and out-of-service time with no case replacement or rewiring required.<\/li>\n<li>&ldquo;Plug and Play&rdquo; retrofits provide easy setup with operation and settings that mimic existing electromechanical relays.<\/li>\n<li>Retrofit-friendly numeric relays are available in cases that fit into the cutouts of older electromechanical relays.<\/li>\n<li>Achieve financial and labor savings with a replacement relay that fits neatly into an existing panel.<\/li>\n<\/ul>\n<\/div>\n\t\t\t\t\t<\/li>\n                \t\t\t<\/ul>\n        \n\t<\/div>\n    <\/section>\n\n<section  data-block-id=\"hammer_block_c46a31926e433df22a151ca6c6dcc2fd\" data-block=\"product-listing-slider\" class=\"block block-product-listing-slider product-listing-slider spacing-top-default spacing-bottom-default\">    <div class=\"wrapper ember-entrance-group\">\n        <header class=\"header ember-entrance\">\n            <h2 id=\"hammer_component_69e020a8f387e\" data-component=\"headline\" class=\"component component-headline headline style-default\">Products<\/h2>\n\n            <p class=\"text\"><\/p>\n\n            <hr class=\"line\">\n\n            <div class=\"swiper-indicator-wrapper\">\n                <div class=\"swiper-indicator js-indicator\"><\/div>\n                <div class=\"slider-controls js-slider-controls ember-entrance\">\n                    <div id=\"hammer_component_69e020a8f3940\" data-component=\"swiper-controls\" class=\"component component-swiper-controls swiper-controls js-controls\"><button id=\"hammer_component_69e020a8f3963\" data-component=\"icon\" class=\"component component-icon icon button prev js-prev has-style style-dark\">    <span class=\"icon-wrapper\">\n        <?xml version=\"1.0\" encoding=\"UTF-8\"?> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10\" height=\"10\" viewbox=\"0 0 10 10\" fill=\"currentColor\"><path d=\"M5.71 10L9.88 5.33C9.88 5.33 9.95 5.24 9.97 5.18C9.99 5.12 10 5.06 10 5C10 4.94 9.99 4.88 9.97 4.82C9.95 4.76 9.92 4.71 9.88 4.67L5.71 0L5.13 0.65L8.59 4.53H0V5.46H8.58L5.12 9.34L5.7 9.99L5.71 10Z\" fill=\"currentColor\"><\/path><\/svg>     <\/span>\n    \n            <span class=\"sr-only\">Return to previous slide<\/span>\n    \n    <\/button>\n<button id=\"hammer_component_69e020a8f3a99\" data-component=\"icon\" class=\"component component-icon icon button next js-next has-style style-dark\">    <span class=\"icon-wrapper\">\n        <?xml version=\"1.0\" encoding=\"UTF-8\"?> <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10\" height=\"10\" viewbox=\"0 0 10 10\" fill=\"currentColor\"><path d=\"M5.71 10L9.88 5.33C9.88 5.33 9.95 5.24 9.97 5.18C9.99 5.12 10 5.06 10 5C10 4.94 9.99 4.88 9.97 4.82C9.95 4.76 9.92 4.71 9.88 4.67L5.71 0L5.13 0.65L8.59 4.53H0V5.46H8.58L5.12 9.34L5.7 9.99L5.71 10Z\" fill=\"currentColor\"><\/path><\/svg>     <\/span>\n    \n            <span class=\"sr-only\">Jump to next slide<\/span>\n    \n    <\/button>\n<\/div>\n                <\/div>\n            <\/div>\n        <\/header>\n\n        <div class=\"swiper js-slider-products ember-entrance\">\n            <div class=\"swiper-wrapper\">\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_69e020a8f3c63\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_69e020a912ce3\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"233\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg 414w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-768x432.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1024x576.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-150x84.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1600x900.jpg 1600w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image.jpg 1920w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\">        <\/picture>\n\n            <\/figure>\n\t\t<\/div>\n\n\t\t<div class=\"infos\">\n            \t\t\t\t<strong class=\"term\">Excitation System Accessories<\/strong>\n            \n            <h3 class=\"title\">Rectifier Fan Replacement Kit with 1 Fan (9504001101)<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_69e020a9132b7\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/cn.basler.com\/zh-hans\/product\/rectifier-fan-replacement-kit-with-1-fan-9504001101\/\" title=\"Rectifier Fan Replacement Kit with 1 Fan (9504001101)\" target=\"\">        <span class=\"link-text\">Rectifier Fan Replacement Kit with 1 Fan (9504001101)<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_69e020a9136e2\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_69e020a9158eb\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"233\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg 414w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-768x432.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1024x576.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-150x84.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1600x900.jpg 1600w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image.jpg 1920w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\">        <\/picture>\n\n            <\/figure>\n\t\t<\/div>\n\n\t\t<div class=\"infos\">\n            \n            <h3 class=\"title\">BE3-74SH<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_69e020a915eb9\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/cn.basler.com\/zh-hans\/product\/be3-74sh\/\" title=\"BE3-74SH\" target=\"\">        <span class=\"link-text\">BE3-74SH<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_69e020a916b71\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_69e020a9190f1\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"229\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/06\/03456-4-414x229.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/06\/03456-4-414x229.jpg 414w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/06\/03456-4-768x425.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/06\/03456-4-1024x567.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/06\/03456-4-150x83.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/06\/03456-4.jpg 1084w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\">        <\/picture>\n\n            <\/figure>\n\t\t<\/div>\n\n\t\t<div class=\"infos\">\n            \t\t\t\t<strong class=\"term\">Accessories<\/strong>\n            \n            <h3 class=\"title\">External Voltage Adjust &ndash; 175 ohms, 25 W rheostat (03456B)<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_69e020a91bf93\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/cn.basler.com\/zh-hans\/product\/external-voltage-adjust-175-ohms-25-w-rheostat-03456-3__trashed\/\" title=\"External Voltage Adjust &amp;#8211; 175 ohms, 25 W rheostat (03456B)\" target=\"\">        <span class=\"link-text\">External Voltage Adjust &ndash; 175 ohms, 25 W rheostat (03456B)<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_69e020a91c329\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_69e020a91f648\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"233\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg 414w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-768x432.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1024x576.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-150x84.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1600x900.jpg 1600w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image.jpg 1920w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\">        <\/picture>\n\n            <\/figure>\n\t\t<\/div>\n\n\t\t<div class=\"infos\">\n            \t\t\t\t<strong class=\"term\">Accessories<\/strong>\n            \n            <h3 class=\"title\">Adapter Plate to Mount an S1 Case in a GE L1\/L2 Cutout (9108551037)<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_69e020a91fbbc\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/cn.basler.com\/zh-hans\/product\/adapter-plate-to-mount-an-s1-case-in-a-ge-l1l2-cutout-9108551037\/\" title=\"Adapter Plate to Mount an S1 Case in a GE L1\/L2 Cutout (9108551037)\" target=\"\">        <span class=\"link-text\">Adapter Plate to Mount an S1 Case in a GE L1\/L2 Cutout (9108551037)<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_69e020a91fff7\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_69e020a923562\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"233\" src=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg 414w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-768x432.jpg 768w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1024x576.jpg 1024w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-150x84.jpg 150w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1600x900.jpg 1600w, https:\/\/cn.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image.jpg 1920w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\">        <\/picture>\n\n            <\/figure>\n\t\t<\/div>\n\n\t\t<div class=\"infos\">\n            \n            <h3 class=\"title\">SSR32-12<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_69e020a9248c8\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/cn.basler.com\/zh-hans\/product\/ssr32-12\/\" title=\"SSR32-12\" target=\"\">        <span class=\"link-text\">SSR32-12<\/span>\n        <\/a>\n\n                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