{"product_id":"danfoss-061b110566-bellows-type-pressure-switch-0-20-to-1-00-bar","title":"DANFOSS 061B110566 Bellows Type Pressure Switch (-0.20 to 1.00 bar)","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e061B110566 (061B110566)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a heavy-duty industrial pressure switch from Danfoss, engineered for precise regulation and monitoring of liquid and gaseous media. This specific model features a high-sensitivity bellows sensing element, allowing it to operate within a specialized low-pressure range of -0.20 to 1.00 bar. Designed for reliability in demanding environments, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e061B110566\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a robust mechanical switching solution for vacuum control, low-pressure gas monitoring, and pump protection systems. With its IP65 enclosure rating and durable construction, this unit ensures fail-safe performance and long-term setpoint stability in sectors such as water treatment, marine engineering, and power generation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e061B110566\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes a refined mechanical architecture to deliver accurate switching in low-pressure applications:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBellows Sensing Element:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe internal bellows (indicated by code 1) provides superior sensitivity and repeat accuracy compared to piston-type switches, specifically optimized for detecting minute pressure changes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpecialized Setting Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigured with a unique setting range (-0.20 to 1.00 bar Pe), making it ideal for vacuum monitoring or low-pressure threshold detection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Maximum Pressure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDespite its low switching range, the unit maintains a high maximum permissible pressure (Pe) of 15.0 bar, protecting the internal mechanism from unexpected system surges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with a standard G-type (BSP) pressure connection for secure mechanical fitting and a Pg 11 electrical entry for reliable wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe housing achieves an IP65 rating, offering total protection against dust and low-pressure water jets, ensuring durability in wash-down or outdoor environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e061B110566\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDanfoss\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePressure Switch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSensing Element\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBellows\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSetting Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-0.20 to 1.00 bar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMax Working Pressure (Pe)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e15.0 bar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePressure Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eG (Threaded)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eElectrical Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePg 11\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnclosure Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP65\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNet Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 0.85 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan this switch be used for vacuum applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. With a setting range starting at -0.20 bar, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e061B110566\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis capable of monitoring partial vacuum levels, making it suitable for vacuum-assisted priming systems or intake manifold monitoring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of the bellows sensing element in this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bellows design offers a higher surface area for pressure detection compared to other mechanical types. This results in much higher precision and a smaller differential when working with the low-pressure increments required by the -0.20 to 1.00 bar range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I adjust the setpoint?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe setpoint is adjusted via the internal range screw. Because this model uses a bellows system, always use a calibrated low-pressure gauge during commissioning to ensure the switch activates precisely at the required vacuum or pressure threshold.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePulsation Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlthough the unit has a high Pe of 15.0 bar, continuous pressure pulsations can lead to bellows fatigue. If installed near a pump or compressor discharge, use a capillary tube or a pressure snubber to dampen the pulses and extend the switch's operational life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting and Vibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo ensure the highest accuracy of the setpoint, mount the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e061B110566\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon a rigid, vibration-free surface. If the installation point is subject to high mechanical vibration, use a flexible pressure hose to isolate the switch from the vibration source.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring for IP65 Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo maintain the IP65 rating, ensure the Pg 11 cable gland is tightened correctly around the cable. Always install the switch with the cable entry pointing downwards to prevent moisture from traveling along the cable and entering the electrical compartment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102417477995,"sku":"061B110566","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/061b110566-aadvrnnmvnk.png?v=1776136970","url":"https:\/\/www.plcprotech.com\/products\/danfoss-061b110566-bellows-type-pressure-switch-0-20-to-1-00-bar","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}