{"product_id":"stbdra3290-schneider-electric-advantys-stb-dual-channel-relay-module","title":"STBDRA3290 Schneider Electric Advantys STB Dual-Channel Relay Module","description":"\u003ch3\u003e\u003cb\u003eSTBDRA3290 | Product Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #008000;\"\u003eSchneider Electric STBDRA3290\u003c\/strong\u003e is a high-current relay output module from the \u003cstrong style=\"color: #008000;\"\u003eAdvantys STB\u003c\/strong\u003e distributed I\/O platform.\u003c\/p\u003e\n\u003cp\u003eThis standard module provides two independent relay output channels. Each channel supports a rated output current of up to \u003cstrong\u003e7 A\u003c\/strong\u003e. The output circuits support compatible 24 VDC and 115\/230 VAC switching applications.\u003c\/p\u003e\n\u003cp\u003eThe module provides electrical isolation between the field circuits and the internal bus. Its specified isolation rating reaches \u003cstrong\u003e1780 V AC\u003c\/strong\u003e. Hot-swapping capability supports module replacement under approved system conditions.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #008000;\"\u003eSTBDRA3290\u003c\/strong\u003e uses the STBXBA3000 I\/O base and STBPDT3100 power distribution module in the supplied configuration. It suits distributed control systems that require relay-based switching for industrial field loads.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eProduct Identification and Core Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eManufacturer\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModel Number\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong style=\"color: #008000;\"\u003eSTBDRA3290\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Series\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong style=\"color: #008000;\"\u003eAdvantys STB\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard High-Current Relay Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eChannel Quantity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput Technology\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eElectromechanical Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaximum Specified Output Current\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e7 A per Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSupported Signal Voltage\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC \/ 115 VAC \/ 230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eField-to-Bus Isolation\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1780 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHot-Swapping\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported, subject to system procedures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Distribution\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC via PDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eNet Weight\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.130 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003e01 | Output Circuit Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module uses two relay-based output channels for switching external electrical loads. Each channel operates as an independent switching point within the distributed I\/O architecture.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOutput Parameter\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eRelay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e7 A per Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Signal Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Signal Voltage\u003c\/td\u003e\n\u003ctd\u003e115 \/ 230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd\u003e1780 V AC, Field to Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Capability\u003c\/td\u003e\n\u003ctd\u003eHot-Swappable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering Characteristics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Switching:\u003c\/strong\u003e Provides physical contact switching for compatible external circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Independent Outputs:\u003c\/strong\u003e Supports separate control commands for two field loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Current Capability:\u003c\/strong\u003e Handles specified loads up to 7 A per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC\/DC Applications:\u003c\/strong\u003e Supports the listed DC and AC switching voltage classes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Isolation:\u003c\/strong\u003e Provides the specified electrical isolation between field circuits and the internal bus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e02 | Power Distribution and Mounting Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #008000;\"\u003eSTBDRA3290\u003c\/strong\u003e operates within an Advantys STB I\/O assembly. Correct base and power distribution selection is essential for system integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecified Supporting Components\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eComponent Reference\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eFunction\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong style=\"color: #008000;\"\u003eSTBXBA3000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eI\/O Base\u003c\/td\u003e\n\u003ctd\u003e28.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong style=\"color: #008000;\"\u003eSTBPDT3100\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower Distribution Module\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSystem Integration Considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the I\/O base matches the specified module configuration.\u003c\/li\u003e\n\u003cli\u003eVerify the PDM supplies the required 24 VDC distribution.\u003c\/li\u003e\n\u003cli\u003eCheck the physical arrangement of adjacent Advantys STB modules.\u003c\/li\u003e\n\u003cli\u003eConfirm field wiring and terminal assignments before energizing the assembly.\u003c\/li\u003e\n\u003cli\u003eVerify the complete island configuration against the applicable hardware documentation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e03 | Electrical Isolation and Load Engineering\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe specified field-to-bus isolation rating is \u003cstrong\u003e1780 V AC\u003c\/strong\u003e. This isolation helps separate field-side electrical circuits from internal system communication and control circuitry.\u003c\/p\u003e\n\u003cp\u003eWhen designing output circuits, engineers should evaluate the following factors:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eDesign Factor\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eEngineering Consideration\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Current\u003c\/td\u003e\n\u003ctd\u003eKeep each channel within its specified 7 A limit.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Voltage\u003c\/td\u003e\n\u003ctd\u003eVerify the required 24 VDC or 115\/230 VAC circuit.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Characteristics\u003c\/td\u003e\n\u003ctd\u003eCheck resistive, inductive, and capacitive load requirements.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003eConsider relay contact life and operating frequency.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003eEvaluate startup current before selecting the load.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eProvide suitable branch-circuit protection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The 7 A rating does not establish identical switching capacity for every load type. Verify the manufacturer's contact ratings and load derating requirements before connecting inductive or high-inrush equipment.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e04 | Installation and Wiring Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eInspect the module housing and electrical contacts.\u003c\/li\u003e\n\u003cli\u003eVerify the STBXBA3000 base configuration.\u003c\/li\u003e\n\u003cli\u003eConfirm the module position within the Advantys STB assembly.\u003c\/li\u003e\n\u003cli\u003eCheck adjacent module spacing and mechanical engagement.\u003c\/li\u003e\n\u003cli\u003eSecure the assembly according to manufacturer instructions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eIdentify the voltage requirements of each external load.\u003c\/li\u003e\n\u003cli\u003eConfirm the 24 VDC power distribution configuration.\u003c\/li\u003e\n\u003cli\u003eCheck field wiring against the official terminal diagram.\u003c\/li\u003e\n\u003cli\u003eVerify that each output circuit remains within its rated current.\u003c\/li\u003e\n\u003cli\u003eInstall appropriate overcurrent protection.\u003c\/li\u003e\n\u003cli\u003eInspect terminal connections before applying power.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Commissioning Checks\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the module reference and system configuration.\u003c\/li\u003e\n\u003cli\u003eCheck field supply voltage and polarity where applicable.\u003c\/li\u003e\n\u003cli\u003eConfirm AC and DC circuits use the correct wiring arrangement.\u003c\/li\u003e\n\u003cli\u003eTest the connected loads under controlled conditions.\u003c\/li\u003e\n\u003cli\u003eReview PLC output commands and I\/O mapping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003e05 | Hot-Swapping and Maintenance Strategy\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #008000;\"\u003eSTBDRA3290\u003c\/strong\u003e supports hot-swapping according to the supplied specifications. This feature can simplify maintenance and reduce equipment downtime.\u003c\/p\u003e\n\u003cp\u003eHowever, hot-swapping does not mean that every connected circuit can remain energized during replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Maintenance Practices\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReview the island configuration before module replacement.\u003c\/li\u003e\n\u003cli\u003eIdentify external loads connected to both output channels.\u003c\/li\u003e\n\u003cli\u003eAssess the electrical hazards of connected field circuits.\u003c\/li\u003e\n\u003cli\u003eFollow Schneider Electric hot-swap procedures.\u003c\/li\u003e\n\u003cli\u003eUse approved isolation procedures when field wiring requires them.\u003c\/li\u003e\n\u003cli\u003eVerify output states after module replacement.\u003c\/li\u003e\n\u003cli\u003eConfirm normal PLC communication before returning equipment to service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor critical applications, validate the replacement procedure during planned maintenance. Confirm that output transitions cannot create unintended machine movements or process interruptions.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003e06 | Environmental and Mechanical Characteristics\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eParameter\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eSpecification\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Weight\u003c\/td\u003e\n\u003ctd\u003e0.130 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Base Reference\u003c\/td\u003e\n\u003ctd\u003eSTBXBA3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Base Width\u003c\/td\u003e\n\u003ctd\u003e28.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Distribution Module\u003c\/td\u003e\n\u003ctd\u003eSTBPDT3100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Distribution Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe IP20 rating applies to the module's specified protection classification. Install the equipment inside a suitable industrial enclosure when environmental protection is required.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eIndustrial Applications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThis relay output module supports distributed control systems that require switched field outputs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMachine Automation:\u003c\/strong\u003e Controls compatible actuators and auxiliary equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Process Systems:\u003c\/strong\u003e Switches external control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotor Control Interfaces:\u003c\/strong\u003e Provides relay commands to suitable contactor control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Equipment:\u003c\/strong\u003e Supports compatible heater switching arrangements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Handling:\u003c\/strong\u003e Controls selected field devices in automated handling systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistributed I\/O Stations:\u003c\/strong\u003e Adds relay output capacity to Advantys STB architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eCompatibility and System Selection\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #008000;\"\u003eSTBDRA3290\u003c\/strong\u003e is designed for the Schneider Electric Advantys STB distributed I\/O platform.\u003c\/p\u003e\n\u003cp\u003eVerify the following items before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility with the installed Advantys STB island configuration.\u003c\/li\u003e\n\u003cli\u003eCorrect I\/O base reference: STBXBA3000.\u003c\/li\u003e\n\u003cli\u003eCorrect power distribution module: STBPDT3100.\u003c\/li\u003e\n\u003cli\u003eAvailability of the required 24 VDC power distribution.\u003c\/li\u003e\n\u003cli\u003eCompatibility of field voltage and output load current.\u003c\/li\u003e\n\u003cli\u003ePLC communication and I\/O configuration requirements.\u003c\/li\u003e\n\u003cli\u003ePhysical space and module arrangement within the island.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not select a replacement based only on the two-channel relay output description. Check the complete hardware configuration and official compatibility documentation.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eProduct Certifications and Compliance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct family: Schneider Electric Advantys STB.\u003c\/li\u003e\n\u003cli\u003eProtection classification: IP20.\u003c\/li\u003e\n\u003cli\u003eOperating temperature: 0 to 60°C.\u003c\/li\u003e\n\u003cli\u003eElectrical isolation: 1780 V AC field-to-bus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional certification numbers and hazardous-area approvals are not included in the supplied specifications. Confirm application-specific requirements with the manufacturer before installation.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eOrdering Information and Packaging\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOrdering Detail\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eInformation\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSTBDRA3290\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eAdvantys STB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eTwo-Channel High-Current Relay Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.130 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging List\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Schneider Electric \u003cstrong style=\"color: #008000;\"\u003eSTBDRA3290\u003c\/strong\u003e Relay Output Module.\u003c\/li\u003e\n\u003cli\u003eProtective packaging for transportation.\u003c\/li\u003e\n\u003cli\u003eProduct identification information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSupporting I\/O bases, PDM units, terminal accessories, and additional wiring components are not included unless confirmed in the order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommercial Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCondition: New \u0026amp; Original in Factory Packing.\u003c\/li\u003e\n\u003cli\u003eFactory Warranty: 12 Months.\u003c\/li\u003e\n\u003cli\u003eShipping Methods: FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003eShipping Time: 24–48 Hours, subject to stock availability and order confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions – Engineering and Selection\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can the two relay channels switch different voltage types in the same application?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe supplied specifications list 24 VDC and 115\/230 VAC signal applications. However, engineers should verify the permitted channel grouping, common-terminal arrangement, and wiring restrictions in the official connection diagram. Never assume independent voltage isolation between output channels without documentation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Is a relay output module suitable for high-frequency switching applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eElectromechanical relays have finite contact life. Frequent switching can accelerate contact wear. For rapid repetitive switching, evaluate switching frequency, load characteristics, and expected service life before selecting this module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How should engineers handle inductive loads connected to this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInductive loads can generate voltage transients during switching. Evaluate suitable suppression components for the load circuit. Check the contact ratings and manufacturer's recommendations. Also consider inrush current and switching frequency when calculating the expected relay service life.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What information is most useful when diagnosing a relay output that does not operate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCheck the PLC output command, island communication status, field power distribution, and external circuit wiring. Measure the supply voltage under operating conditions. Then inspect the load, protection devices, and relay contact circuit. This sequence helps distinguish control-side faults from field-side problems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Should the STBDRA3290 be selected based only on its 7 A output rating?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. A complete selection requires voltage compatibility, load type, inrush current, switching frequency, and expected contact life. Engineers should also confirm the I\/O base, PDM configuration, and island compatibility. The nominal current rating alone does not guarantee suitability for every load.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB | Technical Selection Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #008000;\"\u003eSchneider Electric STBDRA3290\u003c\/strong\u003e provides two relay output channels for distributed industrial control applications.\u003c\/p\u003e\n\u003cp\u003eIts 7 A per-channel rating supports higher-current switching requirements within compatible electrical limits. The 1780 V AC field-to-bus isolation rating adds an important electrical separation characteristic. Hot-swapping support also provides additional maintenance flexibility under approved procedures.\u003c\/p\u003e\n\u003cp\u003eFor system engineers, the most important selection factors include field voltage, load characteristics, relay contact ratings, base compatibility, and power distribution architecture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal PLC Spare HUB\u003c\/strong\u003e supplies industrial automation components for PLC, DCS, and distributed I\/O systems. Contact our team for product quotations, technical verification, and sourcing assistance.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":68006110003382,"sku":"STBDRA3290","price":114.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/STBDRA3290-1.jpg?v=1793946095","url":"https:\/\/www.plcsparehub.com\/products\/stbdra3290-schneider-electric-advantys-stb-dual-channel-relay-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}