{"product_id":"3500-32-125712-01-relay-output-module-bently-nevada","title":"3500\/32 125712-01 Relay Output Module Bently Nevada","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/32 (125712-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4-channel relay output interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the 3500 Machinery Protection System developed by Bently Nevada. This module provides electrically isolated relay outputs for alarm signaling, safety interlocking, and emergency shutdown control in mission-critical machinery protection systems.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e125712-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows flexible logic mapping between monitor channels and relay outputs. Using 3500 Rack Configuration Software, engineers can assign relay activation logic based on vibration, temperature, or position monitoring conditions. This enables sophisticated machine protection strategies across multiple monitoring parameters.\u003c\/p\u003e\n\u003cp\u003eA key design feature is its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einternal redundancy and high-reliability switching architecture\u003c\/strong\u003e. Each channel contains\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etwo SPDT relays configured as DPDT logic\u003c\/strong\u003e, providing stronger contact reliability and improved switching capability. The module is epoxy-sealed to prevent moisture contamination and includes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e250 Vrms arc suppression protection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto extend contact life when switching inductive loads such as solenoids or motor starters.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e125712-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e4-Channel Relay Monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Configuration\u003c\/td\u003e\n\u003ctd\u003e4 Channels; 2 SPDT relays per channel (DPDT logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e5 A @ 24 Vdc or 120 Vac (resistive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Durability\u003c\/td\u003e\n\u003ctd\u003e100,000 cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.6 cm × 25.2 cm × 24.1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.75 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication Scenarios\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/32 (125712-01)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis commonly used in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam turbine and gas turbine protection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCentrifugal compressor shutdown logic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge industrial fan and blower protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFuel valve and safety solenoid control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTypical functions include driving:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEmergency shutdown circuits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLocal alarm horns and beacon systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDCS\/PLC safety interlock inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 125712-01 be configured for Normally Energized operation?\u003c\/strong\u003e\u003cbr\u003eYes. Each relay channel can be individually configured for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNormally Energized (fail-safe)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNormally De-energized\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperation using rack configuration software. In fail-safe mode, relay outputs de-energize if system power is lost.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with the 3500\/34 TMR system?\u003c\/strong\u003e\u003cbr\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e125712-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis typically used in simplex or non-voting architectures. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/34\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule is specifically designed for Triple Modular Redundant (TMR) safety voting logic applications.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":48746751590652,"sku":"3500\/32 125712-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/350032_125712-012.jpg?v=1772435089","url":"https:\/\/www.electronicplc.com\/products\/3500-32-125712-01-relay-output-module-bently-nevada","provider":"Electronic PLC","version":"1.0","type":"link"}