{"product_id":"bently-nevada-125768-01-rack-interface-i-o-module","title":"Bently Nevada 125720-02 4-Channel Relay Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Bently Nevada 125720-02 is a 4-Channel Relay Output Module designed for the 3500\/32 Machinery Protection System. This full-height module serves as a critical interface between the 3500 rack and external equipment, providing four independent relay outputs that can be programmed to perform specific voting logic. It is commonly used to trigger alarms, shutdown mechanisms, or other safety-critical industrial processes.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFull-height module design for 3500 series racks.\u003c\/li\u003e\n\u003cli\u003eProvides four independent SPDT (Form C) relay outputs.\u003c\/li\u003e\n\u003cli\u003eIntegrated Alarm Drive Logic supporting AND\/OR operations.\u003c\/li\u003e\n\u003cli\u003eProgrammable via Bently Nevada 3500 Rack Configuration Software.\u003c\/li\u003e\n\u003cli\u003eCompatible with various monitor channel inputs, including Alert and Danger statuses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSteam Turbines: Critical protection within the TSI suite.\u003c\/li\u003e\n\u003cli\u003eGas Turbines: Compatible with H-class, LM6000, and LM2500 systems.\u003c\/li\u003e\n\u003cli\u003eChemical Processing: Safety-critical automation and control.\u003c\/li\u003e\n\u003cli\u003eHydroelectric Turbines: Monitoring for load zones and mechanical failures.\u003c\/li\u003e\n\u003cli\u003eGenerators \u0026amp; Exciters: Protection for main generator and excitation systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e125720-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003eSPDT (Form C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switched Current\u003c\/td\u003e\n\u003ctd\u003e2 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Switched Power\u003c\/td\u003e\n\u003ctd\u003e450 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Contact Rating\u003c\/td\u003e\n\u003ctd\u003e30 Vac, 2 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Contact Rating\u003c\/td\u003e\n\u003ctd\u003e30 Vdc, 2 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the 3500 rack is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eThe module can be installed in any slot to the right of the Rack Interface Module (RIM).\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for all relay output connections to minimize EMI\/RFI interference.\u003c\/li\u003e\n\u003cli\u003eWiring can be performed directly to the I\/O module terminal blocks or via External Termination (ET) blocks for improved cable management.\u003c\/li\u003e\n\u003cli\u003eVerify that all connections adhere to the voltage and current limits specified for the -02 variant, particularly in hazardous area or SIL-rated installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eWhat is the 125720-02?\u003c\/h3\u003e\u003cp\u003eThe 125720-02 is a 4-Channel Relay Output Module used within the Bently Nevada 3500\/32 Machinery Protection System to provide relay-based switching for alarm or shutdown logic.\u003c\/p\u003e\u003ch3\u003eWhat is the difference between 125720-01 and 125720-02?\u003c\/h3\u003e\u003cp\u003eThe 125720-02 is the designated spare variant for hazardous area and functional safety systems, whereas the 125720-01 is intended for standard applications.\u003c\/p\u003e\u003ch3\u003eHow is the module configured?\u003c\/h3\u003e\u003cp\u003eConfiguration is performed using the Bently Nevada 3500 Rack Configuration Software, which allows for the definition of alarm drive logic using inputs from any monitor channel in the rack.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":50739187745020,"sku":"125720-02","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_9a6a510c-bb3b-473d-a250-be50a61c738a.jpg?v=1785384773","url":"https:\/\/www.electronicplc.com\/es\/products\/bently-nevada-125768-01-rack-interface-i-o-module","provider":"Electronic PLC","version":"1.0","type":"link"}