{"id":2492,"date":"2025-02-11T21:05:40","date_gmt":"2025-02-11T21:05:40","guid":{"rendered":"https:\/\/www.basler.com\/product\/be1-27-be1-59-be1-27-59-voltage-relay\/"},"modified":"2026-09-11T09:09:56","modified_gmt":"2026-09-11T14:09:56","slug":"be1-27-be1-59-be1-27-59-voltage-relay","status":"publish","type":"product","link":"https:\/\/www.basler.com\/ja\/product\/be1-27-be1-59-be1-27-59-voltage-relay\/","title":{"rendered":"BE1-27, BE1-59, BE1-27\/59, Voltage Relay"},"content":{"rendered":"<section  data-block-id=\"hammer_block_4c78ac722364f2c819281c8746058c7e\" 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_6ab04f9fde558\" data-component=\"headline\" class=\"component component-headline headline medium style-default\">BE1-27, BE1-59, BE1-27\/59, Voltage Relay<\/h1>\n                <\/div>\n            \n                            <div id=\"hammer_component_6ab04f9fde624\" data-component=\"rich-text\" class=\"component component-rich-text rich-text\">The BE1-27, BE1-59, and BE1-27\/59 voltage relays provide undervoltage, overvoltage, and combined over\/undervoltage protection to help safeguard electrical systems and connected equipment from abnormal voltage conditions.<\/div>\n            \n                                                <div class=\"buttons\">\n                                                                                                    \n                                                                                                                                                                    <a id=\"hammer_component_6ab04f9fdee7c\" data-component=\"button\" class=\"component component-button button 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1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1451-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1451-414x229.jpg 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_6ab04f9fdf680\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" 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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_6ab04f9fe80fb\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_6ab04f9fe89fb\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"300\" height=\"330\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/PP_Two-Fiber-Optic-Cables-with-Connectors-30ft-each-for-BE1-11d-Applications-9587003101.png\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/PP_Two-Fiber-Optic-Cables-with-Connectors-30ft-each-for-BE1-11d-Applications-9587003101.png 300w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/PP_Two-Fiber-Optic-Cables-with-Connectors-30ft-each-for-BE1-11d-Applications-9587003101-136x150.png 136w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\">        <\/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\">Two Fiber Optic Cables with Connectors (30ft each) for BE1-11d Applications (9587003101)<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_6ab04f9fe8f83\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/www.basler.com\/ja\/product\/fiber-optic-cable-30ft-for-be1-11d-applications-9406937130\/\" title=\"Two Fiber Optic Cables with Connectors (30ft each) for BE1-11d Applications (9587003101)\" target=\"\">        <span class=\"link-text\">Two Fiber Optic Cables with Connectors (30ft each) for BE1-11d Applications (9587003101)<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_6ab04f9fe91de\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_6ab04f9fedde7\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"229\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/159-414x229.jpg\" class=\"img\" alt=\"Alterrex&trade; - 1960's Technology\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/159-414x229.jpg 414w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/159-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/159-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/159-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/159.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\">Alterrex&trade; Replacement Bridge<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_6ab04f9fee4e2\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/www.basler.com\/ja\/product\/alterrex-replacement-bridge\/\" title=\"Alterrex&trade; Replacement Bridge\" target=\"\">        <span class=\"link-text\">Alterrex&trade; Replacement Bridge<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_6ab04f9fee74c\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_6ab04f9feee1a\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"300\" height=\"330\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/PP_BE1-FLEX-IO-Board-7-analog-inputs-1-mVdc-inputs-50-or-100-mV-with-compression-terminals-IOAB-U4-C_300x330.png\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/PP_BE1-FLEX-IO-Board-7-analog-inputs-1-mVdc-inputs-50-or-100-mV-with-compression-terminals-IOAB-U4-C_300x330.png 300w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/PP_BE1-FLEX-IO-Board-7-analog-inputs-1-mVdc-inputs-50-or-100-mV-with-compression-terminals-IOAB-U4-C_300x330-136x150.png 136w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\">        <\/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\">BE1-FLEX I\/O Board: 7 analog inputs, 1 mVdc inputs, 50 or 100 mV, with compression terminals (IOAB-U4-C)<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_6ab04f9fef394\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/www.basler.com\/ja\/product\/be1-flex-io-board-7-analog-inputs-1-mvdc-inputs-50-or-100-mv-ioab-u4\/\" title=\"BE1-FLEX I\/O Board: 7 analog inputs, 1 mVdc inputs, 50 or 100 mV, with compression terminals (IOAB-U4-C)\" target=\"\">        <span class=\"link-text\">BE1-FLEX I\/O Board: 7 analog inputs, 1 mVdc inputs, 50 or 100 mV, with compression terminals (IOAB-U4-C)<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_6ab04f9fef59f\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_6ab04f9ff3e66\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"229\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/intermediate-1084x600_5-4-414x229.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/intermediate-1084x600_5-4-414x229.jpg 414w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/intermediate-1084x600_5-4-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/intermediate-1084x600_5-4-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/intermediate-1084x600_5-4-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/06\/intermediate-1084x600_5-4.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\">Power Current Transformer for SBO230, SBO240, or SBO270 Series (BE15621001)<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_6ab04fa0002d0\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/www.basler.com\/ja\/product\/power-current-transformer-for-sbo230-sbo240-or-sbo270-series-be15621001\/\" title=\"Power Current Transformer for SBO230, SBO240, or SBO270 Series (BE15621001)\" target=\"\">        <span class=\"link-text\">Power Current Transformer for SBO230, SBO240, or SBO270 Series (BE15621001)<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                                    <div class=\"swiper-slide slide\">\n                        <article id=\"hammer_component_6ab04fa000546\" data-component=\"card-product\" class=\"component component-card-product card-product primary\">\n\t\t<div class=\"image-wrapper\">\n            <figure id=\"hammer_component_6ab04fa00bd5b\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"414\" height=\"233\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg\" class=\"img\" alt=\"\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-414x233.jpg 414w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-768x432.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1024x576.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-150x84.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/09\/Basler-Default-Image-1600x900.jpg 1600w, https:\/\/www.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\">PRS210<\/h3>\t\t<\/div>\n\n        <a id=\"hammer_component_6ab04fa00c1b2\" data-component=\"link\" class=\"component component-link link cover-link style-primary\" href=\"https:\/\/www.basler.com\/ja\/product\/prs210\/\" title=\"PRS210\" target=\"\">        <span class=\"link-text\">PRS210<\/span>\n        <\/a>\n\n                \t<\/article>\n                    <\/div>\n                            <\/div>\n        <\/div>\n\n\t\t\t\t\t<div class=\"cta\">\n\t\t\t\t\t\t\t<\/div>\n\t\t    <\/div>\n    <\/section>\n\n","protected":false},"excerpt":{"rendered":"<p>The BE1-27, BE1-59, and BE1-27\/59 voltage relays provide undervoltage, overvoltage, and combined over\/undervoltage protection to help safeguard electrical systems and connected equipment from abnormal voltage conditions.<\/p>\n","protected":false},"author":1,"featured_media":60543,"parent":0,"menu_order":146,"template":"","product-category":[638,644],"class_list":["post-2492","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-protective-relay-systems","product-category-single-function-relays"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BE1-27, BE1-59, BE1-27\/59, Voltage Relay | Basler Electric<\/title>\n<meta name=\"description\" content=\"The BE1-27, BE1-59, and BE1-27\/59 Voltage Relays provide reliable undervoltage and overvoltage protection to safeguard power system equipment from adverse voltage conditions.\" \/>\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.basler.com\/ja\/product\/be1-27-be1-59-be1-27-59-voltage-relay\/\" 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