{"product_id":"switch-29psl012-40-manual-reset-pressure-switch-snap-acting","title":"Switch 29PSL012-40 Manual Reset Pressure Switch Snap-Acting","description":"\u003ch3 class=\"PDq2pG_selectionAnchorContainer\" data-end=\"16\" data-start=\"0\" data-section-id=\"17lc1ru\"\u003eDescription:\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-end=\"607\" data-start=\"17\"\u003eThe Switch 29PSL012-40 Manual Reset Pressure \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003eSwitch\u003c\/a\u003e is a manual-reset, snap-acting pressure switch designed to provide high-pressure safety cutout protection in HVAC and refrigeration systems. Commonly installed in unitary air conditioners, heat pumps, rooftop units, refrigeration equipment, and commercial cooling systems requiring a hermetically sealed manual-reset pressure switch. HVAC technicians and maintenance personnel use this switch for replacement of failed high-pressure safety controls, preventive maintenance, and restoration of reliable system protection. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"626\" data-start=\"609\" data-section-id=\"5ms9th\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-end=\"1058\" data-start=\"627\"\u003eThe Switch 29PSL012-40 Manual Reset Pressure Switch is commonly used as an upper-limit safety control in commercial and residential air conditioning, refrigeration, and heat pump systems. Its trip-free manual reset mechanism prevents equipment restart until system pressure returns below the reset point, helping protect compressors and refrigeration components from damage caused by excessive discharge pressure. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"1089\" data-start=\"1060\" data-section-id=\"5hg6bl\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-end=\"1795\" data-start=\"1090\"\u003e• Part Number: 29PSL012-40\u003cbr data-end=\"1119\" data-start=\"1116\"\u003e• Product Type: Manual Reset Pressure Switch\u003cbr data-end=\"1166\" data-start=\"1163\"\u003e• Switch Type: Snap-Acting, Single Pole Single Throw (SPST)\u003cbr data-end=\"1228\" data-start=\"1225\"\u003e• Contact Configuration: Normally Closed\u003cbr data-end=\"1271\" data-start=\"1268\"\u003e• Reset Type: Manual Reset (Trip-Free)\u003cbr data-end=\"1312\" data-start=\"1309\"\u003e• Operating Pressure Range: 200–750 PSIG (factory calibrated)\u003cbr data-end=\"1376\" data-start=\"1373\"\u003e• Proof Pressure: Up to 800 PSIG (depending on setpoint)\u003cbr data-end=\"1435\" data-start=\"1432\"\u003e• Burst Pressure: 5,000 PSIG\u003cbr data-end=\"1466\" data-start=\"1463\"\u003e• Electrical Rating: 375 VA at 120 VAC; 6 A IND at 240 VAC\u003cbr data-end=\"1527\" data-start=\"1524\"\u003e• Pressure Connection: Application dependent (SAE flare, NPT, or capillary options)\u003cbr data-end=\"1613\" data-start=\"1610\"\u003e• Application: HVAC and refrigeration high-pressure safety control\u003cbr data-end=\"1682\" data-start=\"1679\"\u003e• Designed for continuous-duty industrial and commercial HVAC applications. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"1821\" data-start=\"1797\" data-section-id=\"1cz0398\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"2041\" data-start=\"1822\"\u003e• Sensata Technologies 29PSL012-40 Manual Reset Pressure Switch\u003cbr data-end=\"1888\" data-start=\"1885\"\u003e• MARS 43313 (29PSL012-457) Manual Reset High Pressure Switch\u003cbr data-end=\"1952\" data-start=\"1949\"\u003e• Sensata 29PSL012-206 Manual Reset Pressure Switch\u003c\/p\u003e","brand":"PLG Automation ","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51727828222254,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_96ac5890-0a8d-4794-a933-e8cc1f2a7fa0.jpg?v=1770584192","url":"https:\/\/plgautomation.com\/products\/switch-29psl012-40-manual-reset-pressure-switch-snap-acting","provider":"PLG Automation ","version":"1.0","type":"link"}