{"id":2628,"date":"2024-07-18T16:55:33","date_gmt":"2024-07-18T08:55:33","guid":{"rendered":"http:\/\/www.camcjsw-oem.com.cn\/product\/apl210-mechanical-limit-switch-box\/"},"modified":"2026-06-09T16:27:18","modified_gmt":"2026-06-09T08:27:18","slug":"apl230-plastic-limit-switch-box","status":"publish","type":"product","link":"http:\/\/www.camcjsw-oem.com.cn\/es\/producto\/apl230-plastic-limit-switch-box\/","title":{"rendered":"Caja de interruptor de l\u00edmite de pl\u00e1stico APL230"},"content":{"rendered":"<h1>APL230 Plastic Limit Switch Box \u2013 IP67 Waterproof Valve Position Indicator<\/h1>\n<h2>What is the APL230 Plastic Limit Switch Box?<\/h2>\n<p><strong>Specifically, the JSW APL230 plastic limit switch box<\/strong> is a compact, cost-effective valve position feedback device for quarter-turn pneumatic actuators. <strong>This unit<\/strong> provides both visual and remote electrical indication of valve open\/close status. <strong>The corrosion-resistant polyamide and polycarbonate (PA\/PC) enclosure<\/strong> makes it ideal for humid, corrosive, and water-exposed environments. <strong>Common applications include small ball valve assemblies, water treatment plants, desalination facilities, and industrial automation systems.<\/strong> For more about our company, please visit our <a href=\"\/es\/about-us\/\">about us page<\/a>.<\/p>\n<p><strong>Furthermore, the device<\/strong> meets <a class=\"external-link\" href=\"https:\/\/www.namur.net\/en\/home\/\" target=\"_blank\" rel=\"noopener noreferrer\">NAMUR<\/a> mounting standards (VDI\/VDE 3845) and is compatible with ISO 5211 bracket interfaces. <strong>Consequently, it<\/strong> allows direct, bracket-free installation onto most quarter-turn pneumatic actuators. <strong>The IP67 protection rating ensures complete protection against dust ingress and temporary immersion.<\/strong> <strong>Therefore, the unit<\/strong> is suitable for outdoor and washdown environments.<\/p>\n<h2>Key Technical Specifications<\/h2>\n<p><strong>Below are the key technical parameters that define the performance of this position feedback device:<\/strong><\/p>\n<ul>\n<li><strong>Model:<\/strong> APL230 plastic limit switch box<\/li>\n<li><strong>Enclosure Material:<\/strong> Polyamide (PA) base with transparent Polycarbonate (PC) top cover<\/li>\n<li><strong>Protection Rating:<\/strong> IP67 \u2013 dust-tight and protected against temporary immersion<\/li>\n<li><strong>Mounting Interface:<\/strong> NAMUR standard (VDI\/VDE 3845) with ISO 5211 bracket compatibility<\/li>\n<li><strong>Position Indicator:<\/strong> Flat lid or 3D visual indicator, 0\u201390\u00b0 rotation (closed: red, open: yellow)<\/li>\n<li><strong>Switches:<\/strong> 2 x SPDT mechanical micro switches (standard); optional proximity sensors (PNP\/NPN)<\/li>\n<li><strong>Switch Ratings:<\/strong> AC: 250V\/5A, 125V\/5A; DC: 250V\/0.4A, 125V\/0.4A, 30V\/4A<\/li>\n<li><strong>Terminal Strips:<\/strong> 8 points (0.08\u20132.5mm\u00b2)<\/li>\n<li><strong>Cable Entries:<\/strong> 1 or 2 entries: G1\/2, NPT 1\/2, or M20\u00d71.5 (configurable)<\/li>\n<li><strong>Shaft Material:<\/strong> NAMUR standard stainless steel<\/li>\n<li><strong>Ambient Temperature Range:<\/strong> -20\u00b0C to +80\u00b0C<\/li>\n<li><strong>Cover Design:<\/strong> Captive bolts prevent loss during maintenance<\/li>\n<\/ul>\n<p>For detailed product drawings and dimensional data, please <a href=\"\/es\/contact\/\">contact our technical team<\/a>.<\/p>\n<h2>Key Features of the APL230 Plastic Limit Switch Box<\/h2>\n<ul>\n<li><strong>Corrosion-Resistant Plastic Enclosure:<\/strong> The polyamide base with transparent polycarbonate cover resists corrosion in salty and humid atmospheres. <strong>Thus, this model<\/strong> is perfect for water treatment and desalination plants.<\/li>\n<li><strong>IP67 Weatherproof Construction:<\/strong> The housing provides complete protection against dust and temporary immersion. <strong>Consequently, the unit<\/strong> works well outdoors and in washdown environments.<\/li>\n<li><strong>3D Visual Position Indicator:<\/strong> The dome-type indicator shows red (closed) and yellow (open). Operators can see valve status at a glance. <strong>This reduces the need to access the valve directly.<\/strong><\/li>\n<li><strong>Quick-Set Cam Adjustment:<\/strong> Spring-loaded splined cams allow tool-free on-site adjustment. The cam position sets quickly by hand. <strong>Moreover,<\/strong> no readjustment is needed after initial setup.<\/li>\n<li><strong>Multiple Cable Entry Options:<\/strong> Dual cable entries (G1\/2, NPT 1\/2, or M20) provide wiring flexibility. <strong>Therefore,<\/strong> installation becomes easier in tight or confined spaces.<\/li>\n<li><strong>NAMUR Standard Mounting:<\/strong> The integrated NAMUR mounting kit enables direct, ready-to-mount installation onto pneumatic actuators. <strong>This eliminates the need for separate brackets.<\/strong><\/li>\n<li><strong>Versatile Switch Configurations:<\/strong> It comes with 2 x SPDT mechanical switches. Optional proximity sensors (PNP\/NPN) support basic on-off feedback or advanced control systems.<\/li>\n<li><strong>Captive Cover Bolts:<\/strong> Cover bolts are secured to the lid. <strong>Therefore,<\/strong> they cannot be lost during field maintenance. <strong>This allows fast, worry-free access for adjustments.<\/strong><\/li>\n<li><strong>Stainless Steel Shaft:<\/strong> The NAMUR-standard shaft provides excellent corrosion resistance. <strong>It ensures reliable torque transmission from the actuator.<\/strong><\/li>\n<li><strong>Easy PCB Wiring:<\/strong> The internal PCB board eliminates loose wiring. <strong>As a result,<\/strong> it reduces the risk of short circuits and improves long-term reliability.<\/li>\n<\/ul>\n<h2>Working Principle<\/h2>\n<p><strong>The device operates via a mechanical cam mechanism.<\/strong> The actuator&#8217;s rotary motion drives it. <strong>First,<\/strong> when the pneumatic actuator rotates 90\u00b0, the stainless steel shaft transfers motion to internal adjustable cams. <strong>Next,<\/strong> these cams actuate two independent SPDT micro switches. The switches send an electrical open or closed signal to the control room or PLC. <strong>Simultaneously,<\/strong> the visual indicator rotates between red and yellow. It shows the valve&#8217;s physical status.<\/p>\n<p><strong>The \u201cquick-set\u201d spring-loaded splined cam design<\/strong> allows rapid adjustment without tools. <strong>Furthermore,<\/strong> the captive cover bolts maintain a secure, weatherproof seal. <strong>This reliable, fail-safe design provides accurate feedback.<\/strong> <strong>Consequently,<\/strong> it supports proactive maintenance and reduces downtime.<\/p>\n<h2>Applications \u2013 Where to Use This Unit<\/h2>\n<p><strong>Specifically, the APL230 plastic limit switch box is ideal for applications requiring a corrosion-resistant and compact solution.<\/strong> Typical industries and applications include:<\/p>\n<ul>\n<li><strong>Water and Wastewater Treatment Plants:<\/strong> The corrosion-resistant plastic housing withstands moist and chemically treated environments, providing reliable valve position feedback for filter controls, pump sequencing, and chemical dosing systems.<\/li>\n<li><strong>Desalination and Water Purification Facilities:<\/strong> The unit resists salty, humid atmospheres, ensuring long-term reliability in reverse osmosis systems and brine handling valves.<\/li>\n<li><strong>Industrial Automation and General Valve Monitoring:<\/strong> Suitable for small ball valve assemblies, butterfly valves, and any space-constrained quarter-turn valve applications requiring open\/close position feedback.<\/li>\n<li><strong>Chemical and Petrochemical Plants:<\/strong> Provides essential valve status feedback for isolation and control valves handling non-hazardous fluids where plastic enclosures are acceptable.<\/li>\n<li><strong>HVAC Systems:<\/strong> The compact design allows easy installation on dampers and control valves in commercial building automation systems.<\/li>\n<li><strong>Food and Beverage Processing:<\/strong> Washdown-resistant, IP67 plastic housing suits applications requiring regular cleaning where the operating environment is not highly corrosive.<\/li>\n<li><strong>Pneumatic Actuator Systems:<\/strong> The device integrates seamlessly with <a href=\"\/es\/pneumatic-actuator\/\">pneumatic actuators<\/a> to provide reliable manual and remote position backup.<\/li>\n<\/ul>\n<h2>Quality Assurance \u2013 Certified Manufacturing<\/h2>\n<p><strong>JSW produces this unit under strict quality control.<\/strong> Our facility holds internationally recognized certifications. <strong>Specifically,<\/strong> we are certified to <a class=\"external-link\" href=\"https:\/\/www.iso.org\/standard\/62085.html\" target=\"_blank\" rel=\"noopener noreferrer\">ISO\u202f9001:2015<\/a>, <a class=\"external-link\" href=\"https:\/\/www.iso.org\/standard\/60857.html\" target=\"_blank\" rel=\"noopener noreferrer\">ISO\u202f14001:2015<\/a>, and <a class=\"external-link\" href=\"https:\/\/www.iso.org\/standard\/63787.html\" target=\"_blank\" rel=\"noopener noreferrer\">ISO\u202f45001:2018<\/a>.<\/p>\n<p><strong>Before shipment,<\/strong> each unit undergoes functional testing, insulation resistance testing, and IP67 verification. All components are traceable. A certificate of conformance accompanies every order. <strong>For detailed documentation, please visit our <a href=\"\/es\/certificate\/\">certificates page<\/a>.<\/strong><\/p>\n<h2>Customization Options<\/h2>\n<p><strong>JSW offers several customization options for this model:<\/strong><\/p>\n<ul>\n<li><strong>Material Options:<\/strong> Standard PA\/PC plastic enclosure; other materials available upon request.<\/li>\n<li><strong>Cable Entries:<\/strong> Custom entry sizes (G1\/2, NPT 1\/2, M20, or other specifications).<\/li>\n<li><strong>Switch Types:<\/strong> Proximity sensors (PNP\/NPN) or 4-20mA position transmitter options.<\/li>\n<li><strong>Indicator Lid:<\/strong> Flat lid (standard) or 3D dome lid for specific installation requirements.<\/li>\n<li><strong>Mounting Brackets:<\/strong> Polyamide or stainless steel brackets for non-standard actuator top works.<\/li>\n<li><strong>Mounting Depth:<\/strong> Available in two shaft heights: 20mm (standard) or 30mm (for larger actuators).<\/li>\n<\/ul>\n<p><strong>For more information about customization, please <a href=\"\/es\/contact\/\">contact our engineering team<\/a>.<\/strong><\/p>\n<h2>Related Products \u2013 Valve Automation Components<\/h2>\n<p><strong>Beyond this unit, JSW offers a complete range of valve automation components.<\/strong> For standard non-hazardous applications with metal enclosures, consider our <a href=\"\/es\/producto\/apl210-mechanical-limit-switch-box-2\/\">APL210 limit switch box<\/a>. We also supply <a href=\"\/es\/pneumatic-actuator\/\">pneumatic actuators<\/a>, <a href=\"\/es\/producto\/sd-series-2\/\">SD series gear boxes<\/a>, and <a href=\"\/es\/producto\/am-series-2\/\">AM series gear boxes<\/a>. <strong>For a full product overview, visit our <a href=\"https:\/\/www.camcjsw-oem.com.cn\/es\/\">home page<\/a>.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>APL230 Plastic Limit Switch Box \u2013 IP67 Waterproof Valve Position Indicator What is the APL230 Plastic Limit Switch Box? Specifically, the JSW APL230 plastic limit switch box is a compact, cost-effective valve position feedback device for quarter-turn pneumatic actuators. This unit provides both visual and remote electrical indication of valve open\/close status. The corrosion-resistant polyamide [&hellip;]<\/p>","protected":false},"featured_media":2217,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_cat":[38],"product_tag":[],"class_list":{"0":"post-2628","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-limit-switch-box-positioner","7":"desktop-align-left","8":"tablet-align-left","9":"mobile-align-left","11":"first","12":"instock","13":"shipping-taxable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.5 (Yoast SEO v23.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>APL230 Plastic Limit Switch Box | IP67 Waterproof | JSW<\/title>\r\n<meta name=\"description\" content=\"JSW APL230 plastic limit switch box, IP67 waterproof, with NAMUR mounting and corrosion-resistant PA\/PC enclosure. 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Specifically, the JSW APL230 plastic limit switch box is a compact, cost-effective valve position feedback device for quarter-turn pneumatic actuators. This unit provides both visual and remote electrical indication of valve open\/close status. 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