{"product_id":"omron-g3pe-545b-3n-g3pe-series-three-phase-solid-state-contactor","title":"Omron G3PE-545B-3N G3PE Series Three-phase Solid State Contactor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for precise closed-loop thermal regulation, the \u003cstrong\u003eOmron G3PE-545B-3N\u003c\/strong\u003e executes high-frequency switching of three-phase industrial resistive heaters. This solid-state contactor features an integrated heat sink to ensure optimal thermal dissipation under heavy continuous loads. Optimized for DIN rail mounting, the device incorporates a yellow LED operation indicator and a phototriac coupler for high dielectric isolation between the low-voltage control input and high-voltage power output. Built-in zero-cross circuitry reduces electromagnetic interference and inrush currents during initial turn-on cycles, extending heater element life in demanding industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Heat Sink:\u003c\/strong\u003e Monolithic design eliminates the need for external thermal calculations or mounting paste, simplifying installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZero-Cross Triggering:\u003c\/strong\u003e Minimizes electrical noise generation by initiating conduction only when the AC load voltage passes through zero.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhototriac Coupler Isolation:\u003c\/strong\u003e Delivers robust galvanic isolation between input logic and power circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Mounting Form Factor:\u003c\/strong\u003e Supports both standardized 35mm DIN rail tracks and direct panel screw mounting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStatus Diagnostics:\u003c\/strong\u003e High-visibility yellow LED provides real-time status of the input command logic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003ePlastic injection molding and extrusion barrel heating systems.\u003c\/li\u003e\n  \u003cli\u003eSemiconductor wafer processing and packaging thermal chambers.\u003c\/li\u003e\n  \u003cli\u003eIndustrial reflow ovens, drying kilns, and environmental test chambers.\u003c\/li\u003e\n  \u003cli\u003ePackaging heat-sealing machinery and food processing equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eValue\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eOmron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eG3PE-545B-3N\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNumber of Phases\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eThree-phase\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNumber of Poles\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3-pole\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Input Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e12 to 24 VDC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOperating Voltage Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.96 to 30 VDC\"\u003e9.6 to 30 VDC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eApplicable Load Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e200 to 480 VAC (50\/60 Hz)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eRated Load Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e45 A (at 40 degC ambient)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eInsulation Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePhototriac coupler\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eZero Cross Function\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eYes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOutput ON Voltage Drop\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1.8 V (RMS) max.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eLeakage Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e20 mA max. (at 480 VAC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOperate \/ Release Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e1\/2 of load power source cycle + 1 ms max.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eDielectric Strength\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2,500 VAC, 50\/60 Hz for 1 min\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eInsulation Resistance\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e100 MOhm min. (at 500 VDC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eAmbient Operating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e-30 to 80 degC (no icing or condensation)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eAmbient Operating Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e45% to 85% RH\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e2.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e3.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003e150 x 150 x 110 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; text-align: left; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #cbd5e0;\"\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eTerminal Terminal Designation\u003c\/th\u003e\n        \u003cth style=\"padding: 0.75rem; font-weight: bold;\"\u003eTerminal Description \/ Function\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eInput (A1 \/ +)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003ePositive control input terminal (12 to 24 VDC input)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eInput (A2 \/ -)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eNegative control input terminal (Ground\/Common)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOutput (L1 \/ 1 \/ L2 \/ 3 \/ L3 \/ 5)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eLine voltage power source inputs (Three-phase AC supply side)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.75rem; font-weight: bold;\"\u003eOutput (T1 \/ 2 \/ T2 \/ 4 \/ T3 \/ 6)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.75rem;\"\u003eLoad connection output terminals (Heater element connection side)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \"N\" suffix in the model code \u003cstrong\u003eG3PE-545B-3N\u003c\/strong\u003e indicates a factory-fitted built-in heat sink. It is directly interchangeable with the \u003cstrong\u003eG3PE-545B-3\u003c\/strong\u003e (which requires an external heat sink or must be mounted to a thermally equivalent chassis). Note that this module uses zero-cross switching; if your application requires phase-angle control or precise proportioning of analog signals, you must transition to the Omron G3PW power controller series, as the G3PE cannot accept continuous analog current (4-20mA) loops without an external PWM converter.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eSolid-state devices exhibit leakage current even in the \"OFF\" state. The \u003cstrong\u003eG3PE-545B-3N\u003c\/strong\u003e has a maximum leakage current of 20 mA at 480 VAC. Auxiliary mechanical contactors or isolation switches should always be placed upstream to completely de-energize the heater circuit during scheduled maintenance. Thermal degradation is the primary failure mode; ensure that panel cooling fans are sized to maintain ambient temperatures below 40 degC to prevent derating of the 45 A load capacity.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways secure the load power terminals (M5 screws) with a precise torque of 2.0 to 2.4 N-m. Loose terminal connections lead to local overheating and terminal block meltdowns. To suppress induction noises in high-current applications, control signal wires (A1\/A2) must be routed separately from the power supply lines (L1\/T1, L2\/T2, L3\/T3). If utilizing direct panel mounting rather than a DIN rail, ensure the metal backplate of the heat sink has clean contact with the panel plate to assist thermal dissipation.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate and lock out all upstream electrical power sources before attempting installation or maintenance. Confirm zero-voltage state on both input and load lines using a verified tester. Do not touch the integrated heat sink during or immediately after operation; temperatures can exceed 80 degC and cause severe burns.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0; margin-right: 0.75rem;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the SSR vertically on a standard 35mm DIN rail or directly onto a flat, rigid metal subpanel using M5 screws.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0; margin-right: 0.75rem;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eEnsure a minimum vertical spacing of 80mm above and below the device to facilitate unimpeded natural convection airflow through the heat sink fins.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0; margin-right: 0.75rem;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the control input logic to terminals A1 (+) and A2 (-). Observe polarity carefully to prevent logic drive failure.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; width: 1.75rem; height: 1.75rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; flex-shrink: 0; margin-right: 0.75rem;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTerminate the three-phase AC power lines to L1, L2, and L3, then wire T1, T2, and T3 to the heaters using ring terminals rated for 45 A load requirements.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077913141611,"sku":"G3PE-545B-3N","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/g3pe-545b-3n-0czzu4wt5hv.png?v=1775733804","url":"https:\/\/www.plcprotech.com\/products\/omron-g3pe-545b-3n-g3pe-series-three-phase-solid-state-contactor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}