{"id":9821,"date":"2026-07-01T17:18:54","date_gmt":"2026-07-01T15:18:54","guid":{"rendered":"https:\/\/www.fergo.eu\/produkt\/switchmaster\/"},"modified":"2026-09-29T13:44:42","modified_gmt":"2026-09-29T11:44:42","slug":"switchmaster","status":"publish","type":"produkt","link":"https:\/\/www.fergo.eu\/en\/product\/switchmaster\/","title":{"rendered":"Switchmaster Limit Switch Box"},"content":{"rendered":"<h2>Switchmaster Limit Switch Box \u2014 Valve Position Indicator for Quarter-Turn Actuators in IP67<\/h2>\n<p>The Switchmaster limit switch box is a compact valve position monitor for quarter-turn actuators on butterfly valves, ball valves and other quarter-turn applications. Three variants cover all common requirements: the M2 with mechanical gold-plated contacts, the D2 with inductive PNP sensors and the N2 as ATEX-rated Namur version. All variants are rated IP67 and operate in a temperature range of \u201320 \u00b0C to +70 \u00b0C. The antistatic Lexan 143 housing is impact-resistant and suitable for continuous industrial service. The 0\u201390\u00b0 swing angle provides reliable valve position indication on ball valves and butterfly valves with quarter-turn actuators. FERGO supplies the actuator switch box ex stock \u2014 pre-mounted on the actuator on request.<\/p>\n<h4>Variants and Technical Data: M2, D2 and N2<\/h4>\n<p>The limit switch box M2 uses mechanical microswitches with gold-plated changeover contacts for reliable valve position feedback. The switching range is 4 V DC to 250 V AC at a switching current of 1 mA to 5 A. The D2 variant uses contactless inductive PNP sensors (10\u201330 V DC, 100 mA) for wear-free operation. The limit switch box ATEX Namur type N2 is designed to <a href=\"https:\/\/www.iec.ch\/homepage\" target=\"_blank\" rel=\"noopener\">EN 60947-5-6<\/a> as a Namur sensor \u2014 ignition protection type Ex ia IIB T6 to ATEX 2014\/34\/EU, 8 V DC supply at a maximum of 34 mW. All three variants include a visual position indicator on the housing.<\/p>\n<h4>Housing, Protection and Mounting<\/h4>\n<p>The Switchmaster limit switch box housing is manufactured from Lexan 143 with antistatic coating \u2014 impact-resistant, UV-stable and designed for continuous industrial use. The limit switch box IP67 rating protects the electronics reliably against dust and temporary submersion. The adjustable 0\u201390\u00b0 swing angle allows precise alignment of the switching points with the valve end positions. Direct mounting on pneumatic and electric quarter-turn actuators is via standardised mounting flanges to VDI\/VDE 3845 and DIN ISO 5211. The integrated visual position indicator shows the valve position (open\/closed) directly at the actuator.<\/p>\n<h4>Accessories and Ordering<\/h4>\n<p>The Switchmaster limit switch box can be combined with solenoid valves, positioners and stem extensions \u2014 for a complete automation solution on the quarter-turn actuator. Mounting on butterfly valves, ball valves and quarter-turn fittings is carried out in-house by FERGO. For <a href=\"https:\/\/www.fergo.eu\/en\/custom-solution\/\" target=\"_blank\" rel=\"noopener\">custom solutions<\/a>, project quantities or selecting the right valve position indicator, the FERGO team is available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Switchmaster Limit Switch Box \u2014 Valve Position Indicator for Quarter-Turn Actuators in IP67 The Switchmaster limit switch box is a compact valve position monitor for quarter-turn actuators on butterfly valves, ball valves and other quarter-turn applications. Three variants cover all common requirements: the M2 with mechanical gold-plated contacts, the D2 with inductive PNP sensors and [&hellip;]<\/p>\n","protected":false},"featured_media":9822,"template":"","meta":{"_acf_changed":false,"_acf":"","footnotes":""},"produktgruppe":[207,133],"class_list":["post-9821","produkt","type-produkt","status-publish","has-post-thumbnail","hentry","produktgruppe-limit-switch-boxes","produktgruppe-actuators-accessories"],"acf":{"produkt_beschreibung":"<h2><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switchmaster Limit Switch<\/span><\/span><\/h2>\n<p class=\"bodytext\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">The Switchmaster is the limit switch box for demanding applications. The box is available in many different configurations, including for use in various ATEX zones. Thanks to its unique design, the valve position is visible from a distance.  <\/span><\/span><\/p>\n\n<h4><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switchmaster-M2 (Article number: 710-1050)<\/span><\/span><\/h4>\n<ul>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Microswitch OPEN\/CLOSE<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">0...90\u00b0 swivel angle<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switching function: changeover<\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Contacts: gold-plated<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Rated switching capacity: 0.1 to 5 A at 250 VAC<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Minimum switching capacity: 1 mA at 4 VDC<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Body: Bayblend T45 (ABS + PC), antistatic coating<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Cover: Lexan 143 R (PC)<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Protection class: IP67<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Temperature range: -20 \u00b0C to +70 \u00b0C<\/span><\/span><\/li>\n<\/ul>\n<h4><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switchmaster-D2 (Article number: 710-1051)<\/span><\/span><\/h4>\n<ul>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Inductive sensor OPEN\/CLOSE<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">0...90\u00b0 swivel angle<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switching function: plus switching, PNP normally open, damped or undamped in end position<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Voltage range: 10 - 30V\/DC<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Operating current: 100 mA<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Body: Bayblend T45 (ABS + PC), antistatic coating<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Cover: Lexan 143 R (PC)<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Protection class: IP67<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Temperature range: -20 \u00b0C to +70 \u00b0C<\/span><\/span><\/li>\n<\/ul>\n<h4><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switchmaster-N2 (Article number: 710-1052)<\/span><\/span><\/h4>\n<ul>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Inductive sensor OPEN\/CLOSE, Namur EN 60947-5-6<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">0...90\u00b0 swivel angle<\/span><\/span><\/li>\n     <li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Explosion-proof Ex ia IIB T6<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Rated voltage: 8 V\/DC, max. 16 V\/DC <\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Output current: damped <1 mA, undamped >3 mA<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switching function: damped or undamped in end position<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Switching capacity: max. 34 mW <\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Body: Bayblend T45 (ABS + PC), antistatic coating<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Cover: Lexan 143 R (PC), antistatic coating<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Protection class: IP67<\/span><\/span><\/li>\n     <li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Temperature range: -20 \u00b0C to +70 \u00b0C<\/span><\/span><\/li>\n \t<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">ATEX marking: II 2 G Ex ia IIB T6<\/span><\/span><\/li>\n<\/ul>","product_short_desc":"The limit switch box for the highest quality requirements","shop_link":"https:\/\/fergo.shop\/en\/switchmaster-switch-box","technische_daten_tabellen_repeater":[{"tabellen_label":"Technical Specifications","technische_daten_repeater":[{"column_left":"Type","column_right":"Limit switch box","product_fact_display":"none","product_fact_order":"","shorten":false},{"column_left":"Variants","column_right":"M2 (mechanical), D2 (inductive), N2 (Namur ATEX)","product_fact_display":"top","product_fact_order":1,"shorten":false},{"column_left":"Protection:","column_right":"IP67","product_fact_display":"top","product_fact_order":2,"shorten":false},{"column_left":"Swing angle","column_right":"0\u201390\u00b0","product_fact_display":"top","product_fact_order":3,"shorten":false},{"column_left":"Temperature range","column_right":"\u201320 \u00b0C to +70 \u00b0C","product_fact_display":"top","product_fact_order":4,"shorten":false}]}],"produkt_downloads":"<a href=\"https:\/\/www.fergo.eu\/wp-content\/uploads\/2019\/02\/SWITCHMASTER.pdf\">Download \"Limit Switch Box Switchmaster\"<\/a>\n\n<a href=\"https:\/\/www.fergo.eu\/wp-content\/uploads\/2019\/02\/SWITCHMASTER_IOM_ger.pdf\">Download \"Limit Switch Box Switchmaster Documentation\" German<\/a>\n\n<a href=\"https:\/\/www.fergo.eu\/wp-content\/uploads\/2019\/02\/SWITCHMASTER_IOM_eng.pdf\">Download \"Limit Switch Box Switchmaster Documentation\" English<\/a>","datenblaetter_repeater":[{"datenblatt":5742,"download_titel":"Download \"Limit Switch Box Switchmaster\""},{"datenblatt":6086,"download_titel":"Download \"Limit Switch Box Switchmaster Documentation\" German"},{"datenblatt":6087,"download_titel":"Download \"Limit Switch Box Switchmaster Documentation\" English"}],"variations_repeater":[{"variantion_titel":"Switchmaster-M2","article_number":"","variantion_content":"<ul>\n \t<li>Mechanical position indicator OPEN\/CLOSED<\/li>\n \t<li>0...90\u00b0 swivel angle<\/li>\n \t<li>Switching function: changeover switch<\/li>\n \t<li>Voltage range: 4V\/DC\u2013250V\/AC<\/li>\n \t<li>Current range: 1mA \u2013 5A<\/li>\n \t<li>Contacts: gold-plated<\/li>\n \t<li>Body: plastic (Lexan 143), antistatic coating<\/li>\n \t<li>Protection class: IP67<\/li>\n \t<li>Temperature range: -20 \u00b0C to +70 \u00b0C<\/li>\n<\/ul>"},{"variantion_titel":"Switchmaster-D2","article_number":"","variantion_content":"<ul>\n \t<li>Inductive sensor OPEN\/CLOSE<\/li>\n \t<li>0...90\u00b0 swivel angle<\/li>\n \t<li>Switching function: positive switching, PNP NO, damped or undamped in end position<\/li>\n \t<li>Voltage range: 10 - 30V\/DC<\/li>\n \t<li>Operating current: 100 mA<\/li>\n \t<li>Body: plastic (Lexan 143), antistatic coating<\/li>\n \t<li>Protection class: IP67<\/li>\n \t<li>Temperature range: -20 \u00b0C to +70 \u00b0C<\/li>\n<\/ul>"},{"variantion_titel":"Switchmaster-N2","article_number":"","variantion_content":"<ul>\n \t<li>Inductive sensor OPEN\/CLOSED, Namur EN 60947-5-6<\/li>\n \t<li>Explosion-proof Ex ia IIB T6<\/li>\n \t<li>0...90\u00b0 swivel angle<\/li>\n \t<li>Rated voltage: 8 V\/DC, max. 16 V\/DC <\/li>\n \t<li>Output current: damped <1 mA, undamped >3 mA<\/li>\n \t<li>Switching function: damped or undamped in end position<\/li>\n \t<li>Switching capacity: max. 34 mW <\/li>\n \t<li>Body: plastic (Lexan 143), antistatic coating<\/li>\n \t<li>Protection class: IP67<\/li>\n \t<li>Temperature range: -20 \u00b0C to +70 \u00b0C<\/li>\n \t<li>ATEX marking: II 2 G Ex ia IIB T6<\/li>\n<\/ul>"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Switchmaster Limit Switch Box M2 D2 N2 \u2014 IP67 ATEX | FERGO<\/title>\n<meta name=\"description\" content=\"Switchmaster limit switch box M2, D2, N2 (ATEX Namur). IP67, Lexan housing, 0\u201390\u00b0. Valve position indicator for actuators. Ex stock.\" \/>\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.fergo.eu\/en\/product\/switchmaster\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Switchmaster Limit Switch Box M2 D2 N2 \u2014 IP67 ATEX | FERGO\" \/>\n<meta property=\"og:description\" content=\"Switchmaster limit switch box M2, D2, N2 (ATEX Namur). IP67, Lexan housing, 0\u201390\u00b0. Valve position indicator for actuators. 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