{"id":193867,"date":"2024-09-09T11:16:15","date_gmt":"2024-09-09T04:16:15","guid":{"rendered":"https:\/\/techmaster.com.vn\/?post_type=product&#038;p=193867"},"modified":"2026-05-27T09:12:46","modified_gmt":"2026-05-27T02:12:46","slug":"3m-dbi-sala-sealed-blok-3400802-srl","status":"publish","type":"product","link":"https:\/\/techmaster.com.vn\/en\/3m-dbi-sala-sealed-blok-3400802-srl\/","title":{"rendered":"3M DBI-SALA Sealed-Blok 3400802 Self-Retracting Lifeline (Sealed Housing)"},"content":{"rendered":"<h1>3M DBI-SALA Sealed-Blok 3400802 Self-Retracting Lifeline (Sealed Housing)<\/h1>\n<p>The <strong>3M DBI-SALA Sealed-Blok 3400802<\/strong> is a premium self-retracting lifeline (SRL) with a fully sealed, IP-rated housing. Because its brake and internal components are protected from dust and water, it delivers dependable fall arrest in harsh, dirty and wet environments while needing far less maintenance.<\/p>\n<h2>Product overview<\/h2>\n<p>The Sealed-Blok range is built for the toughest jobsites. The 3400802 keeps the cable taut as the worker moves and locks instantly to arrest a fall over a short distance. Its sealed design keeps contaminants out of the working mechanism, which extends service life and reduces downtime for inspection and cleaning.<\/p>\n<h2>Key features and benefits<\/h2>\n<ul>\n<li><strong>Sealed, IP-rated housing:<\/strong> protects the brake and drum from dust and water.<\/li>\n<li><strong>Fast-acting fall arrest:<\/strong> the lifeline locks instantly to arrest a fall over a short distance.<\/li>\n<li><strong>Low maintenance:<\/strong> sealed construction reduces cleaning and servicing needs.<\/li>\n<li><strong>Durable steel cable:<\/strong> rugged wire rope for demanding environments.<\/li>\n<li><strong>Genuine 3M DBI-SALA:<\/strong> built and tested to recognised fall-protection standards.<\/li>\n<\/ul>\n<h2>Main industries and applications<\/h2>\n<ul>\n<li><strong>Oil, gas &amp; petrochemical:<\/strong> contaminated and corrosive environments.<\/li>\n<li><strong>Heavy industry &amp; foundries:<\/strong> dusty, harsh conditions.<\/li>\n<li><strong>Construction &amp; infrastructure:<\/strong> work at height needing reliable fall arrest.<\/li>\n<li><strong>Utilities &amp; maintenance:<\/strong> rugged, low-maintenance protection.<\/li>\n<\/ul>\n<h2>Technical specifications<\/h2>\n<table>\n<tr>\n<th>Attribute<\/th>\n<th>Specification<\/th>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>3M DBI-SALA Sealed-Blok 3400802<\/td>\n<\/tr>\n<tr>\n<td>Type<\/td>\n<td>Self-retracting lifeline (SRL)<\/td>\n<\/tr>\n<tr>\n<td>Housing<\/td>\n<td>Sealed, IP-rated against dust and water<\/td>\n<\/tr>\n<tr>\n<td>Cable<\/td>\n<td>Steel wire rope<\/td>\n<\/tr>\n<tr>\n<td>Maintenance<\/td>\n<td>Low \u2014 sealed working mechanism<\/td>\n<\/tr>\n<tr>\n<td>Brand \/ Origin<\/td>\n<td>3M DBI-SALA<\/td>\n<\/tr>\n<\/table>\n<h2>Why buy from Techmaster Electronics<\/h2>\n<p>Techmaster Electronics is an authorised supplier of 3M fall-protection equipment in Vietnam. We supply genuine 3M DBI-SALA lifelines, advise on the right SRL and anchorage for your job, and provide dependable after-sales support. Contact Techmaster for a free consultation and a quotation.<\/p>\n<h2>Frequently asked questions<\/h2>\n<h3>What is the Sealed-Blok 3400802 used for?<\/h3>\n<p>It is a self-retracting lifeline that arrests falls over a short distance. The sealed housing makes it well suited to harsh, contaminated environments.<\/p>\n<h3>What does &#8220;Sealed-Blok&#8221; mean?<\/h3>\n<p>The internal brake and drum are sealed against dust and water, so the unit performs reliably in dirty or wet conditions and needs less maintenance.<\/p>\n<h3>How is an SRL different from a lanyard?<\/h3>\n<p>An SRL keeps the line taut and locks quickly to arrest a fall over a much shorter distance than a traditional shock-absorbing lanyard.<\/p>\n<h3>Does it need inspection?<\/h3>\n<p>Yes. Inspect it before each use and have it serviced per 3M&#8217;s schedule. Always connect it to a suitable certified anchorage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>3M DBI-SALA Sealed-Blok 3400802 Self-Retracting Lifeline (Sealed Housing) The 3M DBI-SALA Sealed-Blok 3400802 is a premium self-retracting lifeline (SRL) with a fully sealed, IP-rated housing. Because its brake and internal components are protected from dust and water, it delivers dependable fall arrest in harsh, dirty and wet environments while needing far less maintenance. Product overview [&#8230;]\n","protected":false},"featured_media":127525,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[974,829],"product_tag":[],"class_list":{"0":"post-193867","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-self-retracting-lifelines","7":"product_cat-3m-fall-protection-solutions","8":"pa_brand-3m-en","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>3M DBI-SALA Sealed-Blok 3400802 SRL | Techmaster<\/title>\n<meta name=\"description\" content=\"Buy the 3M DBI-SALA Sealed-Blok 3400802 at Techmaster - genuine 3M sealed self-retracting lifeline for harsh-environment fall protection in Vietnam.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/techmaster.com.vn\/en\/3m-dbi-sala-sealed-blok-3400802-srl\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3M DBI-SALA Sealed-Blok 3400802 Self-Retracting Lifeline (Sealed Housing)\" \/>\n<meta property=\"og:description\" content=\"Buy the 3M DBI-SALA Sealed-Blok 3400802 at Techmaster - genuine 3M sealed self-retracting lifeline for harsh-environment fall protection in Vietnam.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/techmaster.com.vn\/en\/3m-dbi-sala-sealed-blok-3400802-srl\/\" \/>\n<meta property=\"og:site_name\" content=\"Techmaster Electronics JSC\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/techmaster.electronics.jsc\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-27T02:12:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2024\/09\/3m-dbi-sala-sealed-blok-self-retracting-lifeline-3400802_11zon.png\" \/>\n\t<meta property=\"og:image:width\" content=\"236\" \/>\n\t<meta property=\"og:image:height\" content=\"546\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@techmastervn\" \/>\n<meta name=\"twitter:label1\" content=\"Price\" \/>\n\t<meta name=\"twitter:data1\" content=\"Call for Price\" \/>\n\t<meta name=\"twitter:label2\" content=\"Availability\" \/>\n\t<meta name=\"twitter:data2\" content=\"In stock\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/techmaster.com.vn\/en\/3m-dbi-sala-sealed-blok-3400802-srl\/\",\"url\":\"https:\/\/techmaster.com.vn\/en\/3m-dbi-sala-sealed-blok-3400802-srl\/\",\"name\":\"3M DBI-SALA Sealed-Blok 3400802 SRL | Techmaster\",\"isPartOf\":{\"@id\":\"https:\/\/techmaster.com.vn\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/techmaster.com.vn\/en\/3m-dbi-sala-sealed-blok-3400802-srl\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/techmaster.com.vn\/en\/3m-dbi-sala-sealed-blok-3400802-srl\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/techmaster.com.vn\/wp-content\/uploads\/2024\/09\/3m-dbi-sala-sealed-blok-self-retracting-lifeline-3400802_11zon.png\",\"datePublished\":\"2024-09-09T04:16:15+00:00\",\"dateModified\":\"2026-05-27T02:12:46+00:00\",\"description\":\"Buy the 3M DBI-SALA Sealed-Blok 3400802 at Techmaster - 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