{"product_id":"dc-filter-board-for-photovoltaic-pv-inverter-omron-kp100l","title":"OMRON PWB (DCF) 1178253-6C DC Filter Board for OMRON KP100L \/ KP125L \/ KP150L Photovoltaic Inverters","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"89e321f9-84a0-4f1a-abc4-4f9e95c9c25e\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"89e321f9-84a0-4f1a-abc4-4f9e95c9c25e\" data-turn-id-container=\"89e321f9-84a0-4f1a-abc4-4f9e95c9c25e\" data-testid=\"conversation-turn-294\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"89e321f9-84a0-4f1a-abc4-4f9e95c9c25e\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"135\" data-end=\"310\"\u003eThe \u003cstrong data-start=\"139\" data-end=\"169\"\u003eOMRON PWB (DCF) 1178253-6C\u003c\/strong\u003e is a \u003cstrong data-start=\"175\" data-end=\"224\"\u003eDC Filter Board (Direct Current Filter Board)\u003c\/strong\u003e designed for \u003cstrong data-start=\"238\" data-end=\"309\"\u003eOMRON KP100L, KP125L, and KP150L three-phase photovoltaic inverters\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"312\" data-end=\"673\"\u003eThis board plays a critical role in filtering electrical noise and high-frequency disturbances present on the DC side of the inverter. Utilizing high-current toroidal inductors, filter capacitors, and EMI suppression components, it helps stabilize the DC voltage coming from the photovoltaic array before it is processed by the inverter power conversion stages.\u003c\/p\u003e\n\u003cp data-start=\"675\" data-end=\"879\"\u003eThe DCF board also protects sensitive inverter electronics from voltage spikes, switching noise, electromagnetic interference, and transient disturbances generated by MPPT circuits and IGBT power modules.\u003c\/p\u003e\n\u003chr data-start=\"881\" data-end=\"884\"\u003e\n\u003ch2 data-start=\"886\" data-end=\"916\"\u003e⚙️ Technical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"918\" data-end=\"1445\"\u003e\n\u003cli data-start=\"918\" data-end=\"943\"\u003e\n\u003cstrong data-start=\"920\" data-end=\"937\"\u003eManufacturer:\u003c\/strong\u003e OMRON\u003c\/li\u003e\n\u003cli data-start=\"944\" data-end=\"966\"\u003e\n\u003cstrong data-start=\"946\" data-end=\"956\"\u003eModel:\u003c\/strong\u003e PWB (DCF)\u003c\/li\u003e\n\u003cli data-start=\"967\" data-end=\"996\"\u003e\n\u003cstrong data-start=\"969\" data-end=\"985\"\u003ePart Number:\u003c\/strong\u003e 1178253-6C\u003c\/li\u003e\n\u003cli data-start=\"997\" data-end=\"1024\"\u003e\n\u003cstrong data-start=\"999\" data-end=\"1008\"\u003eType:\u003c\/strong\u003e DC Filter Board\u003c\/li\u003e\n\u003cli data-start=\"1025\" data-end=\"1076\"\u003e\n\u003cstrong data-start=\"1027\" data-end=\"1043\"\u003eApplication:\u003c\/strong\u003e Grid-Tied Photovoltaic Inverters\u003c\/li\u003e\n\u003cli data-start=\"1077\" data-end=\"1148\"\u003e\n\u003cstrong data-start=\"1079\" data-end=\"1097\"\u003eCompatibility:\u003c\/strong\u003e\n\u003cul data-start=\"1100\" data-end=\"1148\"\u003e\n\u003cli data-start=\"1100\" data-end=\"1114\"\u003eOMRON KP100L\u003c\/li\u003e\n\u003cli data-start=\"1117\" data-end=\"1131\"\u003eOMRON KP125L\u003c\/li\u003e\n\u003cli data-start=\"1134\" data-end=\"1148\"\u003eOMRON KP150L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1149\" data-end=\"1346\"\u003e\n\u003cstrong data-start=\"1151\" data-end=\"1173\"\u003eFilter Technology:\u003c\/strong\u003e\n\u003cul data-start=\"1176\" data-end=\"1346\"\u003e\n\u003cli data-start=\"1176\" data-end=\"1203\"\u003eDC-side EMI\/RFI filtering\u003c\/li\u003e\n\u003cli data-start=\"1206\" data-end=\"1236\"\u003eElectrical noise suppression\u003c\/li\u003e\n\u003cli data-start=\"1239\" data-end=\"1272\"\u003eHigh-current toroidal inductors\u003c\/li\u003e\n\u003cli data-start=\"1275\" data-end=\"1312\"\u003eHigh-voltage suppression capacitors\u003c\/li\u003e\n\u003cli data-start=\"1315\" data-end=\"1346\"\u003eTransient protection circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1347\" data-end=\"1412\"\u003eDedicated connectors for integration with inverter power stages\u003c\/li\u003e\n\u003cli data-start=\"1413\" data-end=\"1445\"\u003eInternal inverter installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1447\" data-end=\"1450\"\u003e\n\u003ch2 data-start=\"1452\" data-end=\"1472\"\u003e🔧 Main Functions\u003c\/h2\u003e\n\u003ch3 data-start=\"1474\" data-end=\"1498\"\u003eDC Current Filtering\u003c\/h3\u003e\n\u003cp data-start=\"1500\" data-end=\"1618\"\u003eReduces harmonic components and high-frequency noise generated by electronic switching operations within the inverter.\u003c\/p\u003e\n\u003ch3 data-start=\"1620\" data-end=\"1637\"\u003eEMI Reduction\u003c\/h3\u003e\n\u003cp data-start=\"1639\" data-end=\"1756\"\u003eLimits conducted electromagnetic interference transmitted toward photovoltaic modules and internal inverter circuits.\u003c\/p\u003e\n\u003ch3 data-start=\"1758\" data-end=\"1783\"\u003eMPPT Stage Protection\u003c\/h3\u003e\n\u003cp data-start=\"1785\" data-end=\"1899\"\u003eProtects maximum power point tracking circuits from electrical disturbances, voltage spikes, and transient events.\u003c\/p\u003e\n\u003ch3 data-start=\"1901\" data-end=\"1925\"\u003eDC Bus Stabilization\u003c\/h3\u003e\n\u003cp data-start=\"1927\" data-end=\"2011\"\u003eHelps maintain a stable DC voltage supply feeding the inverter's IGBT power modules.\u003c\/p\u003e\n\u003ch3 data-start=\"2013\" data-end=\"2045\"\u003ePower Electronics Protection\u003c\/h3\u003e\n\u003cp data-start=\"2047\" data-end=\"2107\"\u003eReduces electrical stress on critical components, including:\u003c\/p\u003e\n\u003cul data-start=\"2109\" data-end=\"2189\"\u003e\n\u003cli data-start=\"2109\" data-end=\"2123\"\u003eIGBT modules\u003c\/li\u003e\n\u003cli data-start=\"2124\" data-end=\"2143\"\u003eDC bus capacitors\u003c\/li\u003e\n\u003cli data-start=\"2144\" data-end=\"2167\"\u003ePower driver circuits\u003c\/li\u003e\n\u003cli data-start=\"2168\" data-end=\"2189\"\u003eControl electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2191\" data-end=\"2194\"\u003e\n\u003ch2 data-start=\"2196\" data-end=\"2223\"\u003e🔌 Purpose and Operation\u003c\/h2\u003e\n\u003cp data-start=\"2225\" data-end=\"2352\"\u003eThe DCF board ensures that the DC power generated by photovoltaic modules is properly filtered before conversion into AC power.\u003c\/p\u003e\n\u003cp data-start=\"2354\" data-end=\"2384\"\u003eIts primary functions include:\u003c\/p\u003e\n\u003cul data-start=\"2386\" data-end=\"2609\"\u003e\n\u003cli data-start=\"2386\" data-end=\"2430\"\u003eElimination of high-frequency disturbances\u003c\/li\u003e\n\u003cli data-start=\"2431\" data-end=\"2474\"\u003eReduction of electromagnetic interference\u003c\/li\u003e\n\u003cli data-start=\"2475\" data-end=\"2514\"\u003eProtection of power conversion stages\u003c\/li\u003e\n\u003cli data-start=\"2515\" data-end=\"2557\"\u003eImprovement of energy conversion quality\u003c\/li\u003e\n\u003cli data-start=\"2558\" data-end=\"2609\"\u003eEnhancement of inverter reliability and stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2611\" data-end=\"2765\"\u003eWithout this board, electrical noise and transient disturbances could negatively affect inverter performance and reduce the lifespan of power electronics.\u003c\/p\u003e\n\u003chr data-start=\"2767\" data-end=\"2770\"\u003e\n\u003ch2 data-start=\"2772\" data-end=\"2809\"\u003e🧩 Role Within the Inverter System\u003c\/h2\u003e\n\u003cp data-start=\"2811\" data-end=\"2880\"\u003eInside OMRON KP Series inverters, the DCF board is installed between:\u003c\/p\u003e\n\u003cul data-start=\"2882\" data-end=\"2957\"\u003e\n\u003cli data-start=\"2882\" data-end=\"2902\"\u003ePV array DC inputs\u003c\/li\u003e\n\u003cli data-start=\"2903\" data-end=\"2916\"\u003eMPPT stages\u003c\/li\u003e\n\u003cli data-start=\"2917\" data-end=\"2930\"\u003eMain DC bus\u003c\/li\u003e\n\u003cli data-start=\"2931\" data-end=\"2957\"\u003ePower conversion modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2959\" data-end=\"3101\"\u003eIt serves as a key component within the DC power path and directly contributes to the stability and reliability of the entire inverter system.\u003c\/p\u003e\n\u003chr data-start=\"3103\" data-end=\"3106\"\u003e\n\u003ch2 data-start=\"3108\" data-end=\"3141\"\u003e⚠️ Typical Faults and Symptoms\u003c\/h2\u003e\n\u003ch3 data-start=\"3143\" data-end=\"3164\"\u003eDamaged Inductors\u003c\/h3\u003e\n\u003cp data-start=\"3166\" data-end=\"3175\"\u003eSymptoms:\u003c\/p\u003e\n\u003cp data-start=\"3177\" data-end=\"3257\"\u003e❗ Unusual electrical noise\u003cbr data-start=\"3203\" data-end=\"3206\"\u003e❗ Excessive heating\u003cbr data-start=\"3225\" data-end=\"3228\"\u003e❗ Reduced inverter efficiency\u003c\/p\u003e\n\u003ch3 data-start=\"3259\" data-end=\"3289\"\u003eDegraded Filter Capacitors\u003c\/h3\u003e\n\u003cp data-start=\"3291\" data-end=\"3300\"\u003eSymptoms:\u003c\/p\u003e\n\u003cp data-start=\"3302\" data-end=\"3385\"\u003e❗ Increased DC bus ripple\u003cbr data-start=\"3327\" data-end=\"3330\"\u003e❗ Operational instability\u003cbr data-start=\"3355\" data-end=\"3358\"\u003e❗ Random inverter shutdowns\u003c\/p\u003e\n\u003ch3 data-start=\"3387\" data-end=\"3426\"\u003eShort Circuits in Filter Components\u003c\/h3\u003e\n\u003cp data-start=\"3428\" data-end=\"3437\"\u003eSymptoms:\u003c\/p\u003e\n\u003cp data-start=\"3439\" data-end=\"3500\"\u003e❗ Blown fuses\u003cbr data-start=\"3452\" data-end=\"3455\"\u003e❗ Startup failures\u003cbr data-start=\"3473\" data-end=\"3476\"\u003e❗ Damage to power stages\u003c\/p\u003e\n\u003ch3 data-start=\"3502\" data-end=\"3537\"\u003eOxidized or Damaged Connections\u003c\/h3\u003e\n\u003cp data-start=\"3539\" data-end=\"3548\"\u003eSymptoms:\u003c\/p\u003e\n\u003cp data-start=\"3550\" data-end=\"3618\"\u003e❗ Voltage drops\u003cbr data-start=\"3565\" data-end=\"3568\"\u003e❗ Intermittent faults\u003cbr data-start=\"3589\" data-end=\"3592\"\u003e❗ Reduced power production\u003c\/p\u003e\n\u003ch3 data-start=\"3620\" data-end=\"3649\"\u003eLightning or Surge Damage\u003c\/h3\u003e\n\u003cp data-start=\"3651\" data-end=\"3660\"\u003eSymptoms:\u003c\/p\u003e\n\u003cp data-start=\"3662\" data-end=\"3741\"\u003e❗ Burned components\u003cbr data-start=\"3681\" data-end=\"3684\"\u003e❗ Permanent board failure\u003cbr data-start=\"3709\" data-end=\"3712\"\u003e❗ Immediate inverter shutdown\u003c\/p\u003e\n\u003chr data-start=\"3743\" data-end=\"3746\"\u003e\n\u003ch2 data-start=\"3748\" data-end=\"3780\"\u003e🚨 Possible Associated Errors\u003c\/h2\u003e\n\u003cp data-start=\"3782\" data-end=\"3865\"\u003eWhen the DC Filter Board develops faults, the inverter may generate errors such as:\u003c\/p\u003e\n\u003cul data-start=\"3867\" data-end=\"4125\"\u003e\n\u003cli data-start=\"3867\" data-end=\"3885\"\u003e\u003cstrong data-start=\"3869\" data-end=\"3885\"\u003eDC Bus Fault\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"3886\" data-end=\"3908\"\u003e\u003cstrong data-start=\"3888\" data-end=\"3908\"\u003eDC Voltage Error\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"3909\" data-end=\"3934\"\u003e\u003cstrong data-start=\"3911\" data-end=\"3934\"\u003eInput Voltage Fault\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"3935\" data-end=\"3951\"\u003e\u003cstrong data-start=\"3937\" data-end=\"3951\"\u003eMPPT Fault\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"3952\" data-end=\"3970\"\u003e\u003cstrong data-start=\"3954\" data-end=\"3970\"\u003eGround Fault\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"3971\" data-end=\"4000\"\u003e\u003cstrong data-start=\"3973\" data-end=\"4000\"\u003eInternal Hardware Error\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"4001\" data-end=\"4022\"\u003e\u003cstrong data-start=\"4003\" data-end=\"4022\"\u003eIsolation Fault\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"4023\" data-end=\"4044\"\u003e\u003cstrong data-start=\"4025\" data-end=\"4044\"\u003eDC Ripple Error\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"4045\" data-end=\"4065\"\u003e\u003cstrong data-start=\"4047\" data-end=\"4065\"\u003eOvercurrent DC\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"4066\" data-end=\"4089\"\u003e\u003cstrong data-start=\"4068\" data-end=\"4089\"\u003ePower Stage Fault\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"4090\" data-end=\"4125\"\u003e\u003cstrong data-start=\"4092\" data-end=\"4125\"\u003eInternal Protection Triggered\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4127\" data-end=\"4208\"\u003eError messages may vary depending on inverter firmware version and configuration.\u003c\/p\u003e\n\u003chr data-start=\"4210\" data-end=\"4213\"\u003e\n\u003ch2 data-start=\"4215\" data-end=\"4233\"\u003e🛠 Applications\u003c\/h2\u003e\n\u003cul data-start=\"4235\" data-end=\"4502\"\u003e\n\u003cli data-start=\"4235\" data-end=\"4285\"\u003eRepair of OMRON KP Series photovoltaic inverters\u003c\/li\u003e\n\u003cli data-start=\"4286\" data-end=\"4326\"\u003eReplacement of faulty DC filter boards\u003c\/li\u003e\n\u003cli data-start=\"4327\" data-end=\"4360\"\u003eRestoration of DC bus stability\u003c\/li\u003e\n\u003cli data-start=\"4361\" data-end=\"4407\"\u003eIndustrial photovoltaic inverter maintenance\u003c\/li\u003e\n\u003cli data-start=\"4408\" data-end=\"4451\"\u003eRefurbishment of power conversion systems\u003c\/li\u003e\n\u003cli data-start=\"4452\" data-end=\"4502\"\u003eTroubleshooting EMI and DC-side filtering issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4504\" data-end=\"4507\"\u003e\n\u003ch2 data-start=\"4509\" data-end=\"4553\"\u003e💡 Advantages of the Original OMRON Board\u003c\/h2\u003e\n\u003cp data-start=\"4555\" data-end=\"4835\"\u003e✔ Direct compatibility with OMRON KP Series inverters\u003cbr data-start=\"4608\" data-end=\"4611\"\u003e✔ Effective EMI and high-frequency noise suppression\u003cbr data-start=\"4663\" data-end=\"4666\"\u003e✔ Improved inverter reliability and stability\u003cbr data-start=\"4711\" data-end=\"4714\"\u003e✔ Reduced electrical stress on power components\u003cbr data-start=\"4761\" data-end=\"4764\"\u003e✔ Enhanced energy conversion quality\u003cbr data-start=\"4800\" data-end=\"4803\"\u003e✔ Extended inverter service life\u003c\/p\u003e\n\u003chr data-start=\"4837\" data-end=\"4840\"\u003e\n\u003ch2 data-start=\"4842\" data-end=\"4861\"\u003e🔄 Compatibility\u003c\/h2\u003e\n\u003cp data-start=\"4863\" data-end=\"4879\"\u003eCompatible with:\u003c\/p\u003e\n\u003cul data-start=\"4881\" data-end=\"4937\"\u003e\n\u003cli data-start=\"4881\" data-end=\"4899\"\u003e\u003cstrong data-start=\"4883\" data-end=\"4899\"\u003eOMRON KP100L\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"4900\" data-end=\"4918\"\u003e\u003cstrong data-start=\"4902\" data-end=\"4918\"\u003eOMRON KP125L\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"4919\" data-end=\"4937\"\u003e\u003cstrong data-start=\"4921\" data-end=\"4937\"\u003eOMRON KP150L\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4939\" data-end=\"5033\"\u003e\u003cstrong data-start=\"4939\" data-end=\"5033\"\u003eAlways verify the board part number (1178253-6C) and hardware revision before replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"5035\" data-end=\"5038\"\u003e\n\u003ch2 data-start=\"5040\" data-end=\"5053\"\u003e🟢 Summary\u003c\/h2\u003e\n\u003cp data-start=\"5055\" data-end=\"5472\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eThe \u003cstrong data-start=\"5059\" data-end=\"5105\"\u003eOMRON PWB (DCF) 1178253-6C DC Filter Board\u003c\/strong\u003e is an essential filtering and protection module used in \u003cstrong data-start=\"5162\" data-end=\"5221\"\u003eOMRON KP100L, KP125L, and KP150L photovoltaic inverters\u003c\/strong\u003e. Equipped with high-current inductors, suppression capacitors, and EMI filtering components, it stabilizes the DC bus, reduces electrical noise, protects sensitive electronics, and ensures reliable operation of the inverter's power conversion system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Green Energy","offers":[{"title":"Default Title","offer_id":50546569118029,"sku":null,"price":80.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/3274\/3245\/files\/MG_6023.jpg?v=1780508670","url":"https:\/\/greenenergy-repair.com\/es\/products\/dc-filter-board-for-photovoltaic-pv-inverter-omron-kp100l","provider":"Green Energy","version":"1.0","type":"link"}