{"id":37156,"date":"2025-07-01T12:54:58","date_gmt":"2025-07-01T17:54:58","guid":{"rendered":"https:\/\/www.basler.com\/product\/sr4a-retrofit-voltage-regulator\/"},"modified":"2026-09-08T11:27:36","modified_gmt":"2026-09-08T16:27:36","slug":"sr4a-retrofit-voltage-regulator","status":"publish","type":"product","link":"https:\/\/www.basler.com\/fr\/product\/sr-retrofit-ssr-retrofit-voltage-regulators\/sr4a-retrofit-voltage-regulator\/","title":{"rendered":"SR4A, Retrofit Voltage Regulator"},"content":{"rendered":"<section  data-block-id=\"hammer_block_5da0cd9ae2c6b11b5d1faa148ead302f\" 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                    \n                    <h1 id=\"hammer_component_6aa910e39f241\" data-component=\"headline\" class=\"component component-headline headline medium style-default\">SR4A, Retrofit Voltage Regulator<\/h1>\n                <\/div>\n            \n                            <div id=\"hammer_component_6aa910e39f2e9\" data-component=\"rich-text\" class=\"component component-rich-text rich-text\">The SR4A Retrofit Voltage Regulator is an economical, direct replacement for existing Basler Electric SR4A voltage regulators. Designed for brush and brushless synchronous generators, it delivers accurate voltage regulation, dependable excitation control, and fast response times while fitting within the same mounting footprint as the original regulator.<\/div>\n            \n                                                <div class=\"buttons\">\n                                                                                                    \n                                            <\/div>\n                                    <\/div>\n\n                    <div class=\"right_content\">\n                <div class=\"slider slider-main\">\n                    <div class=\"swiper-wrapper\">\n                                                    <div class=\"swiper-slide\">\n                                                                    <figure id=\"hammer_component_6aa910e39f970\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602.png\" class=\"img\" alt=\"Mise &agrave; niveau SR\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602.png 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-768x425.png 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-1024x567.png 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-150x83.png 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-414x229.png 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                            <\/div>\n                                                    <div class=\"swiper-slide\">\n                                                                    <figure id=\"hammer_component_6aa910e39fd8d\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601.png\" class=\"img\" alt=\"Mise &agrave; niveau SSR\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601.png 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-768x425.png 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-1024x567.png 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-150x83.png 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-414x229.png 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                            <\/div>\n                                                    <div class=\"swiper-slide\">\n                                                                    <figure id=\"hammer_component_6aa910e3a00ca\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592.jpg\" class=\"img\" alt=\"Application : Groupe &eacute;lectrog&egrave;ne\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-414x229.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_6aa910e3a03ac\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593.jpg\" class=\"img\" alt=\"Application : Groupe &eacute;lectrog&egrave;ne\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-414x229.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_6aa910e3a0661\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594.jpg\" class=\"img\" alt=\"Application : Turboalternateur &agrave; gaz\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-414x229.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_6aa910e3a08d3\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595.jpg\" class=\"img\" alt=\"Application : Alternateur Diesel\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-414x229.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_6aa910e3a0b59\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602.png\" class=\"img\" alt=\"Mise &agrave; niveau SR\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602.png 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-768x425.png 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-1024x567.png 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-150x83.png 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1602-414x229.png 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                                    <\/div>\n                                                            <div class=\"swiper-slide\">\n                                                                            <figure id=\"hammer_component_6aa910e3a0dda\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601.png\" class=\"img\" alt=\"Mise &agrave; niveau SSR\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601.png 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-768x425.png 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-1024x567.png 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-150x83.png 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1601-414x229.png 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                                    <\/div>\n                                                            <div class=\"swiper-slide\">\n                                                                            <figure id=\"hammer_component_6aa910e3a114f\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592.jpg\" class=\"img\" alt=\"Application : Groupe &eacute;lectrog&egrave;ne\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1592-414x229.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_6aa910e3a13c1\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593.jpg\" class=\"img\" alt=\"Application : Groupe &eacute;lectrog&egrave;ne\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1593-414x229.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_6aa910e3a1657\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594.jpg\" class=\"img\" alt=\"Application : Turboalternateur &agrave; gaz\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1594-414x229.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_6aa910e3a18f0\" data-component=\"image\" class=\"component component-image image\">\n        <picture class=\"picture\">\n            <img decoding=\"async\" width=\"1084\" height=\"600\" src=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595.jpg\" class=\"img\" alt=\"Application : Alternateur Diesel\" loading=\"lazy\" title=\"\" srcset=\"https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595.jpg 1084w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-768x425.jpg 768w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-1024x567.jpg 1024w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-150x83.jpg 150w, https:\/\/www.basler.com\/wp-content\/uploads\/2025\/02\/1595-414x229.jpg 414w\" sizes=\"auto, (max-width: 1084px) 100vw, 1084px\">        <\/picture>\n\n            <\/figure>\n                                                                    <\/div>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n            <\/div>\n    <\/section>","protected":false},"excerpt":{"rendered":"<p>The SR4A Retrofit Voltage Regulator is an economical, direct replacement for existing Basler Electric SR4A voltage regulators. Designed for brush and brushless synchronous generators, it delivers accurate voltage regulation, dependable excitation control, and fast response times while fitting within the same mounting footprint as the original regulator.<\/p>\n","protected":false},"author":1,"featured_media":3308,"parent":3307,"menu_order":32,"template":"","product-category":[],"class_list":["post-37156","product","type-product","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SR4A, Retrofit Voltage Regulator | Basler Electric<\/title>\n<meta name=\"description\" content=\"The SR4A Retrofit Voltage Regulator provides a direct replacement for legacy Basler SR4A regulators, delivering reliable voltage regulation, simplified installation, and dependable generator excitation control.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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