{"product_id":"bently-nevada-138257-01-earthing-module-front-panel","title":"BENTLY NEVADA 138257-01 Earthing Module Front Panel","description":"\u003cp\u003eConfigured for grounding path management and safety interface monitoring in 3500 Machinery Protection System racks, the \u003cstrong\u003eBently Nevada 138257-01\u003c\/strong\u003e (\u003cstrong\u003e3500\/04\u003c\/strong\u003e Earthing Module Front Panel) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOption\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDefinition\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Model\u003c\/td\u003e\n\u003ctd\u003e3500\/04\u003c\/td\u003e\n\u003ctd\u003eEarthing \/ Grounding Module Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e138257-01\u003c\/td\u003e\n\u003ctd\u003eEarthing Module Front Panel Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e138257-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.3 cm x 3.2 cm x 10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 deg C to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive panel interface (negligible power draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Voltage (Um)\u003c\/td\u003e\n\u003ctd\u003e250 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel A Parameters\u003c\/td\u003e\n\u003ctd\u003eUo: 7.71 V, Io: 89.17 mA, Co: 9.3 uF, Lo: 4.55 mH, Po: 132.41 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel B Parameters\u003c\/td\u003e\n\u003ctd\u003eUo: 5.36 V, Io: 40.23 mA, Rmin: 133.25 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel C Parameters\u003c\/td\u003e\n\u003ctd\u003eUo: 6.51 V, Io: 48.86 mA, Rmin: 133.25 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eBently Nevada 3500 System Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics \u0026amp; Cross-Talk Suppression\u003c\/h3\u003e\n\u003cp\u003eThe 138257-01 front panel maintains defined earthing paths across internal 3500\/04 circuits to stabilize reference potentials during high-frequency rotor dynamics evaluation. By maintaining low impedance ground bonding across channels, the hardware facilitates effective cross-talk suppression and isolates transient noise from sensitive eddy-current probe scaling loops. Proper grounding continuity prevents ground loop offsets from corrupting gap voltage validation (-10 VDC targets) across adjacent machinery protection modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What primary safety parameters govern Channel A on the 138257-01 front panel module?\u003c\/p\u003e\n\u003cp\u003eA: Channel A specifies a maximum output voltage (Uo) of 7.71 V, output current (Io) of 89.17 mA, capacitance (Co) of 9.3 uF, inductance (Lo) of 4.55 mH, and output power (Po) of 132.41 mW.\u003c\/p\u003e\n\u003cp\u003eQ: How does the earthing panel contribute to signal integrity within the 3500 rack?\u003c\/p\u003e\n\u003cp\u003eA: The panel provides a verified low-resistance path to chassis earth, preventing common-mode noise and stray ground currents from distorting low-level vibration measurements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify rack chassis earth bonding straps are securely connected before installing the 138257-01 front panel into the 3500\/04 module slot.\u003c\/li\u003e\n\u003cli\u003eSecure top and bottom panel mounting screws hand-tight to ensure complete physical contact with the rack's grounded enclosure frame.\u003c\/li\u003e\n\u003cli\u003eEnsure field wiring shields terminate at designated earth bus bars to prevent ground potential loops across monitoring channels.\u003c\/li\u003e\n\u003cli\u003eInspect circuit terminal contacts for oxidation or mechanical looseness prior to final rack commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45378305130611,"sku":"138257-01","price":410.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/136711-01.png?v=1787215486","url":"https:\/\/www.dcssupplier.com\/products\/bently-nevada-138257-01-earthing-module-front-panel","provider":"DcsSupplier Limited","version":"1.0","type":"link"}