{"product_id":"bently-nevada-125712-01-3500-series-4-channel-relay-module","title":"Bently Nevada 125712-01 3500 Series 4-Channel Relay Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eEngineered for seamless integration within critical industrial machinery protection architectures, the \u003cstrong\u003e125712-01\u003c\/strong\u003e serves as a dedicated four-channel relay input\/output (I\/O) module. This component is specifically designed to interface with the monitor modules in a 3500 Series Rack, delivering reliable alarm and trip contact outputs to external safety shutdown and control systems. Utilizing internal terminations, this module minimizes cabinet footprint requirements and simplifies field wiring installations.\u003c\/p\u003e\n\n\u003cp\u003eFunctioning as a core safety interface, the \u003cstrong\u003e125712-01\u003c\/strong\u003e translates diagnostic monitor states into physical relay operations. This module provides critical machinery protection by executing shutdown sequences when preset hazard thresholds are crossed, protecting high-value rotating assets such as turbines, compressors, and large industrial pumps.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProvides four independent, programmable relay channels.\u003c\/li\u003e\n  \u003cli\u003eFeatures integrated internal terminations to streamline wiring layouts without requiring external terminal blocks.\u003c\/li\u003e\n  \u003cli\u003eSupports Single-Pole, Double-Throw (SPDT) Form C contact configurations for versatile system integration.\u003c\/li\u003e\n  \u003cli\u003eFully compatible with standard Bently Nevada 3500 machinery protection system racks and monitors.\u003c\/li\u003e\n  \u003cli\u003eEnsures failsafe configuration options, supporting normally energized or normally de-energized operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSteam, gas, and hydro turbine safety shutdown systems.\u003c\/li\u003e\n  \u003cli\u003eHeavy industrial compressor and turbo-machinery protection.\u003c\/li\u003e\n  \u003cli\u003eLarge-scale power generation and petro-chemical processing plants.\u003c\/li\u003e\n  \u003cli\u003eWater treatment facilities and high-capacity pump systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBently Nevada\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e125712-01\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3500 Machinery Protection System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e4-Channel Relay I\/O Module (Internal Terminations)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRelay Contact Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSingle-Pole, Double-Throw (SPDT) \/ Form C\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-30 degC to +65 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eStorage Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-40 degC to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eHumidity Limits\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e95% non-condensing relative humidity\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eUnited States\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e6.0 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTerminal Connection Block\u003c\/th\u003e\n      \u003cth\u003eFunction Assignment\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelay 1 Terminals\u003c\/td\u003e\n      \u003ctd\u003eNormally Open (NO), Common (COM), Normally Closed (NC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelay 2 Terminals\u003c\/td\u003e\n      \u003ctd\u003eNormally Open (NO), Common (COM), Normally Closed (NC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelay 3 Terminals\u003c\/td\u003e\n      \u003ctd\u003eNormally Open (NO), Common (COM), Normally Closed (NC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRelay 4 Terminals\u003c\/td\u003e\n      \u003ctd\u003eNormally Open (NO), Common (COM), Normally Closed (NC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways power down the 3500 rack system prior to inserting or extracting the I\/O module to prevent electrical damage.\u003c\/li\u003e\n  \u003cli\u003eMount the module directly in the rear of the 3500 rack system in the slot corresponding to the associated front-facing monitor module.\u003c\/li\u003e\n  \u003cli\u003eEnsure field wiring is stripped to the manufacturer's recommended length and secured tightly inside the internal terminal block to avoid intermittent connections.\u003c\/li\u003e\n  \u003cli\u003eRoute electrical control signal cables away from high-voltage motor power lines to minimize potential electromagnetic interference (EMI).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52668304163179,"sku":"125712-01","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/125712-01-3hn5dg1p5b3_b85f00b9-fdb5-4862-9d7a-fff51b8b3767.jpg?v=1765520643","url":"https:\/\/www.plcprotech.com\/id\/products\/bently-nevada-125712-01-3500-series-4-channel-relay-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}