{"product_id":"danfoss-061b100366-kpi-bellows-pressure-switch","title":"Danfoss 061B100366 KPI Bellows Pressure Switch","description":"\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDanfoss 061B100366 (061B100366)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a heavy-duty industrial pressure switch engineered for precise pressure monitoring and control in demanding process automation applications. Optimized for deployment in power plants, water treatment facilities, and petrochemical refineries, this robust instrument plays a critical role in critical interlocking, pump control, and safety shutdown systems to minimize plant downtime. Featuring a premium bellows sensing element, the unit delivers high repeatability and resistance to pressure spikes. The integrated G thread pressure connection and standard Pg 11 electrical interface ensure seamless integration into legacy and modern control loops, safeguarding critical machinery against overpressure conditions.\u003c\/p\u003e\n\u003ch3\u003eModel Suffix Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe model number 061B100366 specifies a predefined configuration tailored for low-pressure monitoring with high enclosure protection. The alphanumeric code decomposes as follows:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e061B\u003c\/strong\u003e: Danfoss internal factory designation for the specialized industrial pressure switch component family.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1003\u003c\/strong\u003e: Specific internal production control sequence defining the structural chassis and premium internal mechanism layout.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e66\u003c\/strong\u003e: Identifies the specialized low-pressure setting range, covering -0.20 bar to 1.00 bar for precise low-end process adjustments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0.6\u003c\/strong\u003e: Indicates the nominal setting midpoint or factory calibration reference point in bar.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e1\u003c\/strong\u003e: Specifies a high-end Bellows mechanism as the primary pressure sensing element, providing superior longevity over standard diaphragms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eB\u003c\/strong\u003e: Denotes the standard G type threaded pressure connection for secure, leak-free mechanical coupling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3\u003c\/strong\u003e: Represents the standard Pg 11 electrical connection size, ensuring compatibility with industrial cable glands.\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\u003eParameter\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e061B100366\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\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\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePoland\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSensing Element\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBellows Mechanism\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePressure Setting Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-0.20 bar to 1.00 bar\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Operating Pressure (Pe)\u003c\/strong\u003e\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\u003e\u003cstrong\u003ePressure Connection Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eG 1\/4 or G 1\/2 Standard Thread\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Connection Size\u003c\/strong\u003e\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\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP65 (Dust-tight and water jet resistant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to 70 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSPDT (Single Pole Double Throw)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e155 mm x 90 mm x 65 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\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\u003eIndustrial Application FAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of media is compatible with the 061B100366 pressure switch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe bellows sensing element is compatible with non-corrosive liquids, gases, and steam typically found in industrial cooling, heating, and lubrication systems. For highly aggressive chemical media, verify material compatibility with the bellows alloy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this unit be used in outdoor environments subject to heavy rain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The unit features a certified IP65 enclosure rating, making it completely dust-tight and resistant to water jets from any direction. Ensure that the Pg 11 cable gland is properly torqued and sealed during installation to maintain this rating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I do if the system experiences pressure spikes above 1.00 bar?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 061B100366 features a maximum operating pressure (Pe) rating of 15.0 bar. While the setting range is limited to 1.00 bar for control purposes, the mechanical bellows can withstand transient system spikes up to 15.0 bar without catastrophic failure or loss of calibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering and Installation Directives\u003c\/h3\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003eCRITICAL WIRING SAFETY:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways isolate the primary power supply before removing the enclosure cover. Connect the SPDT terminals according to the control loop requirements (Normally Open or Normally Closed). Ensure the internal grounding screw is bonded to the local plant instrument ground grid using a minimum 1.5 mm sq copper conductor.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch4\u003eMounting and Torque Specifications\u003c\/h4\u003e\n\u003cp\u003eMount the pressure switch vertically to prevent sediment accumulation inside the bellows chamber. Use a backup wrench on the pressure connection hex flats when tightening the process piping. Do not torque the plastic enclosure body. The maximum allowable tightening torque for the G thread connection is 25 Nm.\u003c\/p\u003e\n\u003ch4\u003eEnvironmental and Thermal Management\u003c\/h4\u003e\n\u003cp\u003eWhile the switch operates reliably down to -40 deg C and up to 70 deg C, avoid mounting the instrument directly to high-temperature steam lines without a pigtail siphon or cooling element. The process media temperature entering the bellows must not exceed 100 deg C to prevent thermal drift and premature component fatigue.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102412267883,"sku":"061B100366","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/061b100366-c1wpaftcr1j.png?v=1776136962","url":"https:\/\/www.plcprotech.com\/products\/danfoss-061b100366-kpi-bellows-pressure-switch","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}