{"product_id":"1pcs-ekk-04e-90days-warranty-via-dhl-or-fedex","title":"1PCS EKK-04E Electronic Component with High Reliability and Compact Design for Industrial Applications","description":"\u003cdiv class=\"koeed-container\" style=\"width: 100%; box-sizing: border-box; color: #333333; line-height: 1.6;\"\u003e\n\n  \u003c!-- 1. Engineer's Quick Brief --\u003e\n  \u003ch2\u003eEngineer's Quick Brief\u003c\/h2\u003e\n  \u003cul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 25px;\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Decibel Acoustic Penetration:\u003c\/strong\u003e Emits a sharp, high-volume audible alarm rating at 85dB (at 1m), ensuring critical status alerts cut through dense factory floor background machinery noise.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpace-Saving Panel Integration:\u003c\/strong\u003e Features an ultra-compact Φ30mm bezel diameter structure, optimized for high-density control panels, instrument racks, and localized automation enclosures.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow-Current Control Handshake:\u003c\/strong\u003e Draws a nominal running current of just 15mA at 24V, allowing direct drive control from standard PLC transistor output modules without auxiliary relay isolation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- 2. SEO Introduction --\u003e\n  \u003ch2\u003ePATLITE EKK-04E Compact Electronic Industrial Buzzer\u003c\/h2\u003e\n  \u003cp style=\"margin-bottom: 20px;\"\u003e\n    The \u003cstrong\u003ePATLITE EKK-04E\u003c\/strong\u003e is a high-performance, panel-mounted \u003cstrong\u003eindustrial electronic buzzer\u003c\/strong\u003e engineered to provide clear, reliable audible signaling inside automated factory frameworks. Operating on a versatile \u003cstrong\u003e24V AC\/DC\u003c\/strong\u003e control loop, this premium acoustic warning component generates a stable, continuous single-tone alarm pattern that immediately alerts operators to systemic faults, process completions, or safety overrides. Designed to match the strict environmental endurance requirements of modern machine builders, the EKK-04E features a robust housing assembly that retrofits seamlessly into standard industrial control cockpits, electronic test benches, and critical material handling conveyor dash panels.\n  \u003c\/p\u003e\n\n  \u003c!-- 3. Technical Specifications --\u003e\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #eeeeee; text-align: left;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eElectrical \u0026amp; Operational Parameter\u003c\/th\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eTechnical Specification Value\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eBrand \/ Manufacturer\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003ePATLITE Corporation\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eModel Part Number\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eEKK-04E\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eDevice Classification\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eElectronic Audible Signal Device \/ Panel Buzzer\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eRated Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e24V AC \/ 24V DC (Operational Range: 24V ±10%)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eNominal Running Current\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e15 mA (Ultra-low power allocation profile)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e0.36 Watts Continuous Peak Load\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eAcoustic Sound Pressure Level\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e≥ 85 dB (Measured at 1 Meter distance from front face)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eSound Tone Character\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eContinuous Single Standard Pitch Tone\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eMounting Hole Cutout Diameter\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eΦ 30 mm Installation Profile\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eTerminal Connection Type\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eLead Wires \/ Solder Terminals\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eOperating Temperature Scope\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e-10°C to +55°C (Non-freezing environment conditions)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eHousing Material Base\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eHigh-Impact ABS Heat-Resistant Resin Case\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 4. Application Matrix --\u003e\n  \u003ch2\u003eApplication Matrix \u0026amp; Automation Scenarios\u003c\/h2\u003e\n  \u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #eeeeee; text-align: left;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eDeployment Target\u003c\/th\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eAcoustic Alarm Functionality\u003c\/th\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eSystem Level Benefit\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eIndustrial Control Enclosures\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eActs as a localized panel alarm indicator mimicking warning lights for fatal system fault statuses.\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eProvides immediate dual-sensory tracking loop feedback to plant operators before dangerous failure modes build.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eSMT Assembly Machinery Lines\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eFires transient tone bursts to signal empty material feeder slots or localized tape break states.\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003ePrevents long machinery idling durations, maintaining high volume production performance metrics.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003e\u003cstrong\u003eAutomated Laboratory Equipment\u003c\/strong\u003e\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eTriggers steady continuous alarm feedback following test cycle completion parameters.\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eThe compact ABS footprint integrates seamlessly with sleek healthcare and research enclosure styles.\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 5. Troubleshooting \u0026 FAQ --\u003e\n  \u003ch2\u003eCommissioning \u0026amp; Electrical Deployment FAQ\u003c\/h2\u003e\n  \u003cdiv style=\"margin-bottom: 25px;\"\u003e\n    \u003cp style=\"margin-bottom: 10px;\"\u003e\u003cstrong\u003eQ1: What are the exact wiring guidelines to control the EKK-04E directly from a PLC transistor output block?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 15px; padding-left: 15px; border-left: 3px solid #16c8c8;\"\u003e\n      A1: The EKK-04E draws an exceptionally low current of 15mA, allowing it to interface directly with standard PLC internal sinking (NPN) or sourcing (PNP) output cards. Connect the positive DC line terminal wire to the 24V supply node and line the common ground terminal path through the specific PLC digital output point block. External current limiting suppression resistors or freewheeling flyback protection diodes are not strictly necessary since the buzzer circuit does not generate severe inductive back-EMF kickback.\n    \u003c\/p\u003e\n    \n    \u003cp style=\"margin-bottom: 10px;\"\u003e\u003cstrong\u003eQ2: Why is the acoustic output tone weak or pulsing irregularly following control cabinet startup?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 15px; padding-left: 15px; border-left: 3px solid #16c8c8;\"\u003e\n      A2: Weak or irregular sound tone projection typically indicates a **voltage drop fault** or supply grid noise crossing below the 24V ±10% threshold. Measure terminal potentials with a digital multimeter during full-load states. If shared DC lines host heavy inductive automation components like linear solonoid valves or contactor coils, ensure the signal buzzer tracking lines are decoupled or run via stabilized power branch buses.\n    \u003c\/p\u003e\n    \n    \u003cp style=\"margin-bottom: 10px;\"\u003e\u003cstrong\u003eQ3: Can the sound pressure level or decibel pitch of the EKK-04E be manually modified or attenuated?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp style=\"margin-bottom: 15px; padding-left: 15px; border-left: 3px solid #16c8c8;\"\u003e\n      A3: The standard EKK-04E unit features a fixed internal piezo element design configured strictly to deliver a single continuous 85dB tone profile. It does not integrate localized manual trimmer pot adjusters or DIP switches to alter volume metrics. For environments requiring sound level control or multi-tone selections, external acoustic baffles can be placed over the front vent face or you should migrate up to the adjustable PATLITE BK or EHS multi-sound industrial series lines.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- 6. Cross-Reference \u0026 Selection Guide --\u003e\n  \u003ch3\u003eCross-Reference Guide\u003c\/h3\u003e\n  \u003cp style=\"margin-bottom: 15px;\"\u003e\n    The \u003cstrong\u003ePATLITE EKK-04E\u003c\/strong\u003e conforms to standard metric panel footprint guidelines. When planning manufacturing inventory alternatives, streamlining procurement logistics, or conducting emergency control panel repairs, reference the following platform mapping indicators:\n  \u003c\/p\u003e\n  \u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n    \u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #eeeeee; text-align: left;\"\u003e\n      \u003cthead\u003e\n        \u003ctr style=\"background-color: #16c8c8; color: #ffffff;\"\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eEquivalent Series Configurations\u003c\/th\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eInterchange Compatibility Status\u003c\/th\u003e\n          \u003cth style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eCritical Mechanical \u0026amp; Electrical Verifications\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr style=\"background-color: #fafafa;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003ePATLITE EKB-04E Series\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eDirect Core Family Variant Alternative\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eShares matching 24V AC\/DC electrical performance properties. Cross-examine dimensional housing depths to ensure clear envelope clearance behind the mounting plate.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr style=\"background-color: #f4fcfc;\"\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eSchneider Electric Harmony XB5 30mm Audible Signalers\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eFunctional Portfolio Matching\u003c\/td\u003e\n          \u003ctd style=\"padding: 10px; border: 1px solid #eeeeee;\"\u003eFits standard Φ30mm installation cutouts. Re-verify the absolute current draw limits and look over wire termination configurations prior to field loom wiring.\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- 7. Structured Data JSON-LD (FAQPage) --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What are the exact wiring guidelines to control the EKK-04E directly from a PLC transistor output block?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The EKK-04E draws an exceptionally low current of 15mA, allowing it to interface directly with standard PLC internal sinking (NPN) or sourcing (PNP) output cards. Connect the positive DC line terminal wire to the 24V supply node and line the common ground terminal path through the specific PLC digital output point block. External current limiting suppression resistors or freewheeling flyback protection diodes are not strictly necessary since the buzzer circuit does not generate severe inductive back-EMF kickback.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Why is the acoustic output tone weak or pulsing irregularly following control cabinet startup?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Weak or irregular sound tone projection typically indicates a voltage drop fault or supply grid noise crossing below the 24V ±10% threshold. Measure terminal potentials with a digital multimeter during full-load states. If shared DC lines host heavy inductive automation components like linear solonoid valves or contactor coils, ensure the signal buzzer tracking lines are decoupled or run via stabilized power branch buses.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can the sound pressure level or decibel pitch of the EKK-04E be manually modified or attenuated?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The standard EKK-04E unit features a fixed internal piezo element design configured strictly to deliver a single continuous 85dB tone profile. It does not integrate localized manual trimmer pot adjusters or DIP switches to alter volume metrics. For environments requiring sound level control or multi-tone selections, external acoustic baffles can be placed over the front vent face or you should migrate up to the adjustable PATLITE BK or EHS multi-sound industrial series lines.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"EKK","offers":[{"title":"Default Title","offer_id":43709928374457,"sku":"225934410102","price":2174.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0268\/8476\/7929\/files\/1pcs_EKK_04E_Electronic_Component___EKK__1.webp?v=1775590829","url":"https:\/\/koeed.com\/cs\/products\/1pcs-ekk-04e-90days-warranty-via-dhl-or-fedex","provider":"KOEED","version":"1.0","type":"link"}