{"product_id":"k-lb-1-6-surge-protection-barrier-pepperl-fuchs-k-system-surge-guard","title":"K-LB-1.6 Surge Protection Barrier: Pepperl+Fuchs K-System Surge Guard","description":"\u003ch3\u003eEngineering Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-LB-1.6\u003c\/span\u003e\u003c\/strong\u003e from the \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003ePepperl+Fuchs\u003c\/span\u003e \u003cspan style=\"color: #2e7d32;\"\u003eK-System\u003c\/span\u003e\u003c\/strong\u003e family is a high-density, 1-channel surge protection barrier. It is engineered for robust transient suppression in demanding industrial environments. The unit shields field and control inputs against high-energy transients like lightning strikes and switching surges. Unlike basic protectors, the \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-LB-1.6\u003c\/span\u003e\u003c\/strong\u003e features a 500V DC breakdown voltage for ground insulation. This provides superior protection for sensitive signal conditioners and intrinsic safety isolated barriers. Its design maintains signal integrity with a 40kHz bandwidth, ensuring high-speed data transmission remains stable.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Performance Matrix\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand\/Series:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003ePepperl+Fuchs\u003c\/span\u003e\u003c\/strong\u003e \/ \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-System\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-LB-1.6\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated Voltage (Un):\u003c\/strong\u003e ≤ 6V DC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated Current (In):\u003c\/strong\u003e ≤ 250mA\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMax. Surge Current (8\/20):\u003c\/strong\u003e 20kA (peak), 10kA (nominal)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 500V DC ground breakdown threshold\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e 1ns (Symmetrical), 100ns (Asymmetrical)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries Resistance:\u003c\/strong\u003e ≤ 0.3 Ω per conductor\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -30 °C to +80 °C\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.5 x 114 x 110 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDeployment \u0026amp; Field Integration\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Quick snap-in installation on standard 35mm DIN rail.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Terminals 1 and 2 for unprotected field input; Terminals 7 and 8 for protected system output.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEquipotentiality:\u003c\/strong\u003e Mandatory ground connection must match the potential of the protected instrument.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Ideal for PLC analog I\/O, transmitters, and signal conditioning equipment requiring \u0026lt; 6V protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance \u0026amp; Safety Protocols\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHazardous Area Rating:\u003c\/strong\u003e II 2(1)G Ex ia IIC T6.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ATEX (PTB 00 ATEX 2176X), IECEx (BAS 14.0010X), CSA (116-0187).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperational Benefit:\u003c\/strong\u003e Self-resetting circuitry permits continuous operation after transient events.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-LB-1.6\u003c\/span\u003e\u003c\/strong\u003e is our recommended choice for environments where high-frequency switching noise threatens PLC input accuracy. We find this module indispensable for field-mounted transmitters and sensitive signal conditioning racks. Its 500V ground isolation provides a distinct advantage in complex grounding architectures where standard modules often fail due to leakage. It effectively bridges the gap between field-level surge entry and critical control room hardware, ensuring high reliability in process automation.\u003c\/p\u003e\n\n\u003ch3\u003eDiagnostics and Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStatus Monitoring:\u003c\/strong\u003e Use a multimeter to check leakage; values above 10µA may indicate degradation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGrounding Check:\u003c\/strong\u003e Periodically verify the grounding rail connection for sub-1 ohm resistance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFault Analysis:\u003c\/strong\u003e The auto-reset feature minimizes downtime. If signal loss occurs, verify loop continuity at the barrier output terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLogistics \u0026amp; Terms\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Express dispatch via FedEx, UPS, or DHL within 24-48 hours.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12-month manufacturer warranty covering all functional defects.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1x \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-LB-1.6\u003c\/span\u003e\u003c\/strong\u003e Surge Protection Barrier, Technical Instruction Manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExpert Professional FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 500V isolation benefit my loop?\u003c\/strong\u003e\u003cbr\u003e\nIt prevents ground loops and high-voltage breakdown from damaging internal components of intrinsically safe barriers during severe electrical storms.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the best way to determine if this barrier fits my application?\u003c\/strong\u003e\u003cbr\u003e\nEvaluate your loop's maximum operating voltage; if it is 6V or below, this module provides the most robust protection within the \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-System\u003c\/span\u003e\u003c\/strong\u003e range.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShould I place the surge protector at the field end or the control room end?\u003c\/strong\u003e\u003cbr\u003e\nFor maximum protection, deploy the barrier as close as possible to the point where field cables enter the safe area, typically at the terminal block rack.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill the 0.3 ohm resistance significantly drop my signal?\u003c\/strong\u003e\u003cbr\u003e\nIn standard 4-20mA loops, this resistance is negligible, ensuring high-accuracy data transmission with no measurable calibration shift.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs there a visual indicator when the device has reached its surge limit?\u003c\/strong\u003e\u003cbr\u003e\nThe \u003cstrong\u003e\u003cspan style=\"color: #2e7d32;\"\u003eK-LB-1.6\u003c\/span\u003e\u003c\/strong\u003e is a maintenance-free, auto-resetting device. If you suspect a surge, verify loop continuity at the barrier outputs to confirm performance.\u003c\/p\u003e","brand":"Pepperl+Fuchs","offers":[{"title":"Default Title","offer_id":45014023962806,"sku":"K-LB-1.6","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/K-LB-1.6.jpg?v=1780041067","url":"https:\/\/www.plcsparehub.com\/products\/k-lb-1-6-surge-protection-barrier-pepperl-fuchs-k-system-surge-guard","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}