{"product_id":"pk6524-ifm-pressure-switch-pk-series-0-10-bar","title":"PK6524 ifm Pressure Switch PK Series 0–10 bar","description":"\u003ch3\u003e\u003cb\u003ePK6524 | ifm PK Pressure Switch\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eMechanical setpoint adjustment • Stainless-steel measuring cell • Dual PNP switching outputs\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003eifm PK6524\u003c\/b\u003e is a compact pressure switch for relative-pressure monitoring in liquid and gas systems. Two mechanical setting rings allow the switching and reset points to be adjusted without relying on a digital parameter interface. Its 316L stainless-steel wetted components, FKM sealing and IP67 housing make it suitable for pressure-control tasks in hydraulic, pneumatic, air-conditioning and refrigeration equipment.\u003c\/p\u003e\n\u003cp\u003eThe device measures from \u003cb\u003e0 to 10 bar\u003c\/b\u003e and provides two complementary PNP outputs. A green LED indicates operation, while a yellow LED indicates switching status. A graduated scale supports local setpoint adjustment.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eAt a glance: operating envelope\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePressure range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0…10 bar relative (0…145 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSetpoint \/ reset point\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSP: 0.5…10 bar; rP: 0.3…9.8 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePressure rating\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e25 bar; MAWP (CRN): 25 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMinimum burst pressure\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e300 bar (30 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput arrangement\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × complementary PNP digital outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSupply\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e9.6…32 V DC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProcess connection\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eG 1\/4 external thread, M5 internal thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eElectrical connector\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × M12, A-coded, 4 contacts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProtection\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e−25…80 °C, ambient and medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eSetpoint architecture and switching behavior\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePK6524 uses mechanical setting rings to establish the switching point (SP) and reset point (rP). The specified adjustment ranges are 0.5…10 bar for SP and 0.3…9.8 bar for rP. The available differential between switching and reset thresholds supports pressure hysteresis in control or alarm circuits. Confirm the required threshold and reset behavior against the machine’s control sequence before installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSwitch-point setting accuracy:\u003c\/b\u003e less than ±2.5% of final value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRepeatability:\u003c\/b\u003e less than ±0.5% of final value when temperature fluctuations are below 10 K.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTemperature drift:\u003c\/b\u003e less than ±0.5% per 10 K.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSwitching frequency:\u003c\/b\u003e up to 100 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput current:\u003c\/b\u003e permanent rating up to 500 mA per output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVoltage drop:\u003c\/b\u003e up to 2 V DC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe outputs are complementary PNP types. Check the PLC input type, load current and intended normal\/fault state before wiring; do not assume the outputs are interchangeable with NPN or relay contacts.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eConstruction, connection and environmental limits\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMeasuring cell \/ wetted materials\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eStainless steel 316L \/ 1.4404; FKM seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHousing materials\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePBT, PC, FKM and stainless steel 316L \/ 1.4404\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMounting torque\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e25 Nm (process connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAmbient \/ medium temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e−25…80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eStorage temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e−40…100 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eShock resistance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e50 g, 11 ms, DIN EN 60068-2-27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eVibration resistance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e20 g, 10…2000 Hz, DIN EN 60068-2-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePressure cycles\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMinimum 50 million\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDimensions\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCylindrical housing, Ø 27 mm × 71.6 mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e92.5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInsulation resistance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMinimum 100 MΩ at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eElectrical protection\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eProtection class III; reverse-polarity, pulsed short-circuit and overload protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cb\u003eRelative humidity:\u003c\/b\u003e A specific %RH value is not published in the supplied PK6524 technical data. Verify any humidity-related installation requirement with the manufacturer before specifying the device for a condensation-prone location.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePressure equipment classification:\u003c\/b\u003e The supplied specification states “sound engineering practice” for Group 2 fluids under the Pressure Equipment Directive. Confirm the applicable regulatory requirements for the complete installation and destination market.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eEquipment fit and application examples\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHydraulic power units:\u003c\/b\u003e pressure threshold monitoring, pump-control interlocks and low\/high pressure signalling within the rated operating envelope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePneumatic machinery:\u003c\/b\u003e monitoring supply pressure, pressure-ready status and pressure loss in compressed-air circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHVAC and refrigeration equipment:\u003c\/b\u003e pressure-state detection in compatible liquid or gas circuits, subject to medium compatibility and system pressure limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMachine skids and process auxiliaries:\u003c\/b\u003e local pressure switching where a mechanical setpoint adjustment and discrete PLC signal are preferred.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAutomation panels:\u003c\/b\u003e PNP status signals for PLC digital inputs, alarms or sequence permissives, provided the input and load ratings are compatible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese are application examples, not a declaration of suitability for every fluid or refrigerant. Confirm chemical compatibility, pressure transients, operating temperature and the machine’s required safety function before selection.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eInstallation and commissioning checklist\u003c\/b\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the system’s normal pressure, transient peaks and required trip threshold remain within the applicable limits. The 300 bar burst value is not an operating-pressure allowance; the stated pressure rating and MAWP are 25 bar.\u003c\/li\u003e\n\u003cli\u003eConfirm that the G 1\/4 process port and M5 internal thread match the intended fitting arrangement. Apply the specified 25 Nm tightening torque without transferring excessive load to the housing.\u003c\/li\u003e\n\u003cli\u003eCheck the process medium against the 316L and FKM wetted materials, and confirm the temperature remains within −25…80 °C.\u003c\/li\u003e\n\u003cli\u003eSet SP and rP using the mechanical rings and scale. Validate both the switching threshold and reset behavior with a calibrated pressure source or the machine’s approved commissioning procedure.\u003c\/li\u003e\n\u003cli\u003eWire the A-coded, 4-contact M12 connector according to the manufacturer’s pin assignment. Confirm 9.6…32 V DC supply, PNP input compatibility, output load and common reference.\u003c\/li\u003e\n\u003cli\u003eVerify the green operating LED and yellow switching-status LED, then test the complete PLC or control-system response under expected operating conditions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cb\u003eDiagnostics and troubleshooting\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eNo operating indication\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCheck DC supply voltage, connector seating, pin assignment and polarity. Confirm the supply is within 9.6…32 V DC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput does not change state\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCheck the mechanical SP\/rP settings against actual pressure; verify the PLC input is compatible with a PNP signal and that the load is within the output rating.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eUnexpected switching or chatter\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAssess pressure pulsation, threshold placement and reset differential. Compare actual pressure behavior with the required control hysteresis.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePLC indication disagrees with the device LED\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eInspect the field wiring, input common, connector pinout and PLC input configuration. Test the signal at the input terminal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eIntermittent signal in service\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eInspect connector retention, cable condition, vibration exposure and possible moisture ingress. The IP67 rating applies to the properly connected and installed device.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe supplied data lists reverse-polarity, pulsed short-circuit and overload protection. These protections do not replace correct wiring, suitable circuit protection or verification of the connected PLC input.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eFor this type of mechanical pressure switch, the key selection question is not simply whether the system operates below 10 bar. Engineers should compare the normal pressure band, transient peaks, required trip point and reset point, then confirm that the chosen PNP output arrangement matches the control input.\u003c\/p\u003e\n\u003cp\u003ePK6524 is a practical choice when local mechanical adjustment and discrete pressure-state signals are sufficient. For procurement, verify the exact model and order code, port arrangement, connector mating cable, fluid compatibility and required setpoint before ordering. The manufacturer’s product line is identified as active in the supplied information; availability and lead time should still be confirmed at quotation.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eSupply, warranty and shipping\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProduct:\u003c\/b\u003e ifm PK6524 pressure switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e 12 months, subject to supplier warranty terms\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShipping options:\u003c\/b\u003e FedEx, UPS or DHL, subject to destination and shipment arrangements\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBefore ordering:\u003c\/b\u003e provide the model, required quantity, destination and any application-specific requirements for quotation and compatibility review\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ1. How should the SP and rP settings be selected for a pressure-control sequence?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eDefine the intended switching threshold and the pressure at which the signal should reset. Check both values against the specified SP and rP adjustment ranges, then validate the resulting behavior during commissioning. The correct settings depend on the process pressure band and control logic.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ2. Can PK6524 connect directly to a PLC digital input?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eIt can provide PNP digital signals, but direct connection depends on the PLC input type, supply arrangement and electrical ratings. Confirm the input is designed for PNP sourcing signals and that the connected load does not exceed the output’s permanent current rating.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ3. Is the 300 bar burst pressure suitable as a design or operating limit?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Burst pressure describes a failure-related limit and must not be treated as an allowable operating pressure. The supplied pressure rating and MAWP are 25 bar. Account for pressure spikes and applicable system standards when sizing and selecting the switch.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ4. What should be checked when replacing an installed pressure switch with PK6524?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eCompare the process thread and sealing arrangement, pressure range, medium compatibility, setpoint and reset requirements, output type, connector pinout, supply voltage and physical clearance. A matching pressure range alone does not establish drop-in compatibility.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ5. What information should be included in an RFQ to reduce selection errors?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eInclude the PK6524 model or complete order code, quantity, fluid or gas, normal and maximum pressure, required trip\/reset thresholds, process connection, PLC input type, operating temperature and delivery destination. This helps confirm application fit and shipping options before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/PK6524.png?v=1792647833\" alt=\"\"\u003e\u003c\/p\u003e","brand":"IFM","offers":[{"title":"Default Title","offer_id":67717509284022,"sku":"PK6524","price":158.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/PK6524-3.jpg?v=1792647817","url":"https:\/\/www.plcsparehub.com\/products\/pk6524-ifm-pressure-switch-pk-series-0-10-bar","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}