{"product_id":"triconex-3451-sro-module-32-point-relay-output-24v-schneider","title":"Triconex 3451 SRO Module | 32-Point Relay Output 24V | Schneider","description":"\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eTriconex 3451\u003c\/span\u003e\u003c\/strong\u003e serves as a specialized interface for non-critical signaling within high-availability environments.\u003c\/li\u003e\n\u003cli\u003eWhile the \u003cstrong\u003eTriconex\u003c\/strong\u003e system architecture prioritizes TMR, this \u003cstrong\u003eSRO\u003c\/strong\u003e module offers a practical solution for driving annunciators.\u003c\/li\u003e\n\u003cli\u003eIt effectively bridges the gap between sophisticated logic and standard electrical indicators.\u003c\/li\u003e\n\u003cli\u003eThe internal voting mechanism ensures that the Main Processors maintain control integrity before reaching physical outputs.\u003c\/li\u003e\n\u003cli\u003eThis module is essential for plants requiring reliable status feedback without the cost of fully triplicated hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eTriconex 3451\u003c\/span\u003e\u003c\/strong\u003e is a high-density Solid-State Relay Output (\u003cstrong\u003eSRO\u003c\/strong\u003e) module for non-triplicated functions.\u003c\/li\u003e\n\u003cli\u003eIt integrates seamlessly with the \u003cstrong\u003eTriconex\u003c\/strong\u003e platform to handle non-critical points efficiently.\u003c\/li\u003e\n\u003cli\u003eEach module manages 32 individual relay outputs grouped in pairs.\u003c\/li\u003e\n\u003cli\u003eThis hardware effectively interfaces with external devices incompatible with standard high-side switches.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: \u003cstrong\u003eSchneider Electric \/ Triconex\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel Number: \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e3451\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeries: \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eTriconex Series\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModule Type: \u003cstrong\u003eSolid-State Relay Output (SRO)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput Points: 32 channels commoned in pairs\u003c\/li\u003e\n\u003cli\u003eNominal Input Voltage: ±24 VDC\u003c\/li\u003e\n\u003cli\u003eOperational Voltage Range: ±30 VDC\u003c\/li\u003e\n\u003cli\u003eMaximum Switching Voltage: ±33 V peak\u003c\/li\u003e\n\u003cli\u003eMaximum Switching Power: 15 W (Resistive Load)\u003c\/li\u003e\n\u003cli\u003eMaximum Nominal Current: 0.5 A per channel\u003c\/li\u003e\n\u003cli\u003eVoltage Drop at Baseplate: \u0026lt;0.25 V at 0.5 A\u003c\/li\u003e\n\u003cli\u003eOff-State Leakage: \u0026lt;100 µA\u003c\/li\u003e\n\u003cli\u003eLogic Isolation: 800 VDC minimum (Functional Earth to Logic)\u003c\/li\u003e\n\u003cli\u003eProtective Isolation: 500 VDC minimum (Functional Earth to PE)\u003c\/li\u003e\n\u003cli\u003eFusing: 0.75 A fast-acting fuse per output (mounted on baseplate)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation and Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eTriconex 3451\u003c\/span\u003e\u003c\/strong\u003e module requires the \u003cstrong\u003eModel 2451\u003c\/strong\u003e SRO Baseplate for operation.\u003c\/li\u003e\n\u003cli\u003eMechanical keying prevents the insertion of the module into incorrect baseplate slots.\u003c\/li\u003e\n\u003cli\u003eThe design supports a hot-spare module configuration for increased availability.\u003c\/li\u003e\n\u003cli\u003eEach output includes a loop-back circuit to verify relay operation independently.\u003c\/li\u003e\n\u003cli\u003eThe module provides ongoing diagnostics for every internal channel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping and Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging List\u003c\/strong\u003e: Includes one \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003eTriconex 3451\u003c\/span\u003e\u003c\/strong\u003e module in original factory packaging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: Standard 12-month comprehensive warranty coverage applies to all units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Time\u003c\/strong\u003e: We guarantee shipment within 24 to 48 hours after payment confirmation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCourier Services\u003c\/strong\u003e: Fast global delivery via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDriving industrial annunciator panels and status light columns.\u003c\/li\u003e\n\u003cli\u003eInterfacing with non-critical sequence-of-events (SOE) recorders.\u003c\/li\u003e\n\u003cli\u003eSignaling to third-party control systems or remote monitoring stations.\u003c\/li\u003e\n\u003cli\u003eControlling low-power auxiliary relays in non-safety-critical loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePurchase Guidance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify your baseplate model is the \u003cstrong\u003eTriconex 2451\u003c\/strong\u003e before purchasing this module.\u003c\/li\u003e\n\u003cli\u003eAssess the load wattage to ensure it stays below the 15W resistive limit.\u003c\/li\u003e\n\u003cli\u003eEnsure your system software version supports the \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e3451\u003c\/span\u003e\u003c\/strong\u003e hardware revision.\u003c\/li\u003e\n\u003cli\u003eConsider purchasing a spare module to utilize the hot-spare slot capability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the voting mechanism work in this non-triplicated module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module receives signals from three Main Processors and performs internal voting before driving the relays.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if a channel fails during operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Fault indicator illuminates and triggers the system alarm while maintaining operation through remaining healthy channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module for high-speed switching applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e3451\u003c\/span\u003e\u003c\/strong\u003e uses solid-state relays suitable for signaling; always check frequency limits for inductive loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I replace a faulty fuse for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fuses are located on the \u003cstrong\u003eModel 2451\u003c\/strong\u003e baseplate rather than inside the \u003cstrong\u003e\u003cspan style=\"color: #ff0000;\"\u003e3451\u003c\/span\u003e\u003c\/strong\u003e module itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the loop-back circuit dependent on the connected load?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the diagnostic loop-back verifies the relay status even without an active external load.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":45014043525302,"sku":"3451","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/3451_b8c0f97f-619a-4d50-85ad-a743bda00efc.jpg?v=1776155343","url":"https:\/\/www.plcsparehub.com\/products\/triconex-3451-sro-module-32-point-relay-output-24v-schneider","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}