{"product_id":"g3pe-245b-3n-omron-g3pe-solid-state-relay","title":"G3PE-245B-3N Omron G3PE Solid State Relay","description":"\u003cp\u003eThe \u003cstrong\u003eOmron G3PE-245B-3N\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eG3PE\u003c\/strong\u003e 3-Phase Heater Control, operates as a dedicated hardware component for high-frequency solid-state load switching within 3-phase thermal processing loops. Driven by a 12 to 24 VDC control input, the phototriac-isolated power circuit features an integrated zero-cross function to switch 100 to 240 VAC AC loads up to 45 A per phase without contact wear or inductive noise generation.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown \u0026amp; Configuration Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eG3PE\u003c\/strong\u003e: Industrial compact solid-state contactor platform for heater control applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e245\u003c\/strong\u003e: Rated output load voltage handling up to 240 VAC with a continuous load current rating of 45 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB\u003c\/strong\u003e: Built-in zero-cross function designed to minimize inrush current and line surge generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3N\u003c\/strong\u003e: Three-phase output switching configuration with three controlled poles and neutral\/line screw terminal landing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical \u0026amp; Electrical Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eG3PE-245B-3N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.00 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e150 mm x 130 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to 80 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInput current: 10 mA max. (at 24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e12 to 24 VDC (Operating range: 9.6 to 30 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Load Voltage\u003c\/td\u003e\n\u003ctd\u003e100 to 240 VAC (Operating range: 75 to 264 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Load Current\u003c\/td\u003e\n\u003ctd\u003e45 A per phase (at 40 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Method\u003c\/td\u003e\n\u003ctd\u003ePhototriac isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Function\u003c\/td\u003e\n\u003ctd\u003eZero cross function equipped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current Resistivity\u003c\/td\u003e\n\u003ctd\u003e440 A (60 Hz, 1 cycle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermissible I2t Value\u003c\/td\u003e\n\u003ctd\u003e1260 A2s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable Load Capacity\u003c\/td\u003e\n\u003ctd\u003e15.5 kW (at 200 VAC, 3-phase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Structure\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty screw terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC Pulse-Width Modulation and Backplane Integration\u003c\/h3\u003e\n\u003cp\u003eThe unit accepts direct low-power discrete transistor outputs from PLC pulse-width modulation (PWM) modules or temperature controllers without interposition relays. By executing rapid, bounce-free switching cycles, it matches high-speed backplane bus communication velocity Licences across centralized PLC control racks. Deterministic zero-cross firing maintains precise thermal regulation over Profinet \/ EtherNet\/IP networks while preventing backplane noise reflection.\u003c\/p\u003e\n\u003ch3\u003ePackage Inventory\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron G3PE-245B-3N 3-phase heater control solid-state relay unit\u003c\/li\u003e\n\u003cli\u003e1 x Integrated heatsink mounting assembly\u003c\/li\u003e\n\u003cli\u003e1 x Technical instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Wiring and Physical Mounting Guidelines\u003c\/h3\u003e\n\u003ch4\u003eHeatsink Orientation and Clearance\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit vertically on a metallic panel surface to ensure unhindered vertical airflow through the integrated heatsink fins.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum clearance of 80 mm above and below the heatsink assembly to facilitate natural convection cooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTerminal Landing and Surge Protection\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTorque all power screw terminals to specified engineering limits to avoid resistive heating at high current conduction points.\u003c\/li\u003e\n\u003cli\u003eInstall fast-acting semiconductor fuses upstream to match the 1260 A2s I2t limit and protect phototriac output stages from short-circuit faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Inquiry Solutions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat input voltage limits trigger reliable conduction across the input stage?\u003c\/p\u003e\n\u003cp\u003eThe input circuit turns on at 9.6 VDC maximum and fully turns off when the control voltage drops below 1 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the zero-cross function suppress electrical noise during power switching?\u003c\/p\u003e\n\u003cp\u003eThe phototriac circuit energizes output thyristors only when the AC load voltage passes near zero volts, suppressing surge spikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-plugging power leads permitted while the 3-phase load bus is live?\u003c\/p\u003e\n\u003cp\u003eNo, disconnecting active 45 A AC load leads under voltage causes severe arc discharge and damages terminal hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum peak surge current can the output stage endure during fault conditions?\u003c\/p\u003e\n\u003cp\u003eThe power output section withstands a non-repetitive inrush surge current of up to 440 A for 1 full cycle at 60 Hz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAre external interposition relays required between a 24 VDC PLC output card and the input terminals?\u003c\/p\u003e\n\u003cp\u003eNo, the input draws a maximum of 10 mA at 24 VDC, allowing direct connection to standard PLC transistor output channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat total heater load capacity can this controller handle in a 200 VAC 3-phase system?\u003c\/p\u003e\n\u003cp\u003eThe unit supports 3-phase resistive heater loads rated up to 15.5 kW when operating at 200 VAC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does phototriac isolation protect control electronics from line transients?\u003c\/p\u003e\n\u003cp\u003eOptical coupling completely separates low-voltage DC control signals from high-voltage 240 VAC load circuits to block transient spikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat precautions prevent overheating under continuous 45 A maximum load current?\u003c\/p\u003e\n\u003cp\u003eEnsure vertical mounting on a flat panel, maintain unobstructed ambient airflow, and verify ambient temperatures remain within limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306675355821,"sku":"G3PE-245B-3N","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/G3PE-245B-3N-1.jpg?v=1790225305","url":"https:\/\/www.maxwellplc.com\/products\/g3pe-245b-3n-omron-g3pe-solid-state-relay","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}