{"product_id":"sigenergy-sigen-power-sensor-three-phase-external-ct-600a-din-rail-rs485-industrial-import-export-monitoring","title":"Sigenergy Sigen Power Sensor | Three Phase External CT 600A | DIN Rail | RS485 | Industrial Import\/Export Monitoring","description":"\u003cstyle\u003e\n  .sgs-desc * { box-sizing: border-box; }\n  .sgs-desc { font-family: inherit; color: inherit; line-height: 1.7; font-size: 16px; }\n  .sgs-desc p, .sgs-desc li, .sgs-desc td, .sgs-desc th { font-size: 16px !important; line-height: 1.7; }\n  .sgs-desc h2 { font-size: 22px !important; font-weight: 700; color: #0d1a2e; border-bottom: 2px solid #e8401c; padding-bottom: 6px; margin: 2rem 0 1rem; line-height: 1.3; }\n  .sgs-desc h3 { font-size: 17px !important; font-weight: 700; color: #0d1a2e; margin: 1.2rem 0 0.4rem; line-height: 1.4; }\n  .sgs-desc p { margin: 0 0 1rem; }\n  .sgs-desc ul { padding-left: 1.5rem; margin: 0 0 1rem; }\n  .sgs-desc ul li { margin-bottom: 0.5rem; }\n\n  .sgs-intro-box { background: #fdf0ed; 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text-align: left; padding: 0.7rem 1rem; font-weight: 700; font-size: 16px !important; }\n  .sgs-spec-table td { padding: 0.6rem 1rem; border-bottom: 1px solid #e8e0de; vertical-align: top; font-size: 16px !important; }\n  .sgs-spec-table tr:nth-child(even) td { background: #fdf0ed; }\n  .sgs-spec-table td:first-child { font-weight: 600; color: #111; width: 44%; }\n  .sgs-spec-table .section-head td { background: #e8401c !important; color: #fff !important; font-weight: 700 !important; font-size: 14px !important; text-transform: uppercase; letter-spacing: 0.05em; }\n\n  .sgs-faq-item { border-bottom: 1px solid #e8e0de; padding: 1rem 0; }\n  .sgs-faq-item:last-child { border-bottom: none; }\n  .sgs-faq-item p { margin: 0.4rem 0 0 !important; }\n\n  .sgs-infobox { background: #fdf0ed; border: 1px solid #f5c4b8; border-radius: 6px; padding: 1rem 1.2rem; margin-top: 1.5rem; font-size: 16px !important; line-height: 1.6; }\n\n  @media (max-width: 600px) {\n    .sgs-grid { grid-template-columns: 1fr 1fr; }\n    .sgs-stat-bar { justify-content: center; }\n    .sgs-enables-list { grid-template-columns: 1fr; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"sgs-desc\"\u003e\n\n  \u003cdiv class=\"sgs-intro-box\"\u003e\n    \u003cp\u003e\n      \u003cspan class=\"sgs-badge\"\u003eThree Phase\u003c\/span\u003e\n      \u003cspan class=\"sgs-badge dark\"\u003e3 × 600A CT Included\u003c\/span\u003e\n      \u003cspan class=\"sgs-badge green\"\u003e±1% Accuracy\u003c\/span\u003e\n      \u003cspan class=\"sgs-badge blue\"\u003eIndustrial Scale\u003c\/span\u003e\n      \u003cspan class=\"sgs-badge grey\"\u003ePart No: SIG-SENSOR-TP-CT600-DH\u003c\/span\u003e\n    \u003c\/p\u003e\n    \u003cp style=\"margin-top:0.75rem !important;\"\u003eThe \u003cstrong\u003eSigenergy Power Sensor TP-CT600-DH\u003c\/strong\u003e is the highest-capacity variant in the Sigen Power Sensor range — a three-phase energy metering device for large commercial and industrial installations where the incoming three-phase supply is rated above 300A per phase. Three external split-core current transformers rated to \u003cstrong\u003e600A per phase\u003c\/strong\u003e, with a 36mm inner bore diameter to accommodate large-section busbars and cables, are included in the box. The sensor connects via RS485 Modbus RTU to Sigenergy inverters, energy controllers and the SigenStor EMS, delivering real-time, high-accuracy monitoring of grid import and export across all three phases — enabling the full suite of Sigenergy intelligent energy management functions at industrial scale.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sgs-stat-bar\"\u003e\n    \u003cdiv class=\"sgs-stat\"\u003e\n\u003cdiv class=\"num\"\u003e3-Phase\u003c\/div\u003e\n\u003cdiv class=\"lbl\"\u003e3P3W \/ 3P4W\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sgs-stat\"\u003e\n\u003cdiv class=\"num\"\u003e600A\u003c\/div\u003e\n\u003cdiv class=\"lbl\"\u003eCT Rating\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sgs-stat\"\u003e\n\u003cdiv class=\"num\"\u003e36mm\u003c\/div\u003e\n\u003cdiv class=\"lbl\"\u003eCT Bore\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sgs-stat\"\u003e\n\u003cdiv class=\"num\"\u003e±1%\u003c\/div\u003e\n\u003cdiv class=\"lbl\"\u003ePower Accuracy\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sgs-stat\"\u003e\n\u003cdiv class=\"num\"\u003e100ms\u003c\/div\u003e\n\u003cdiv class=\"lbl\"\u003eData Refresh\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"sgs-stat\"\u003e\n\u003cdiv class=\"num\"\u003eRS485\u003c\/div\u003e\n\u003cdiv class=\"lbl\"\u003eInterface\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eWhat the Power Sensor Enables\u003c\/h2\u003e\n  \u003cp\u003ePositioned at the main grid connection point, the Power Sensor delivers live three-phase import\/export data to the Energy Controller every 100ms — enabling precise, real-time energy management across the full site load at commercial and industrial scale:\u003c\/p\u003e\n  \u003cul class=\"sgs-enables-list\"\u003e\n    \u003cli\u003eDynamic load management — real-time inverter\/battery throttling to prevent incomer overload\u003c\/li\u003e\n    \u003cli\u003eMaximum demand management — limits grid import below a contracted demand threshold\u003c\/li\u003e\n    \u003cli\u003eExport limitation — enforces a maximum export cap per DNO \/ G99 connection agreement\u003c\/li\u003e\n    \u003cli\u003eSelf-consumption optimisation — multi-inverter battery dispatch reduces import across all three phases\u003c\/li\u003e\n    \u003cli\u003eAI tariff scheduling — live consumption data feeds the mySigen AI energy optimiser\u003c\/li\u003e\n    \u003cli\u003eAccurate mySigen app energy flow display — site import\/export, solar generation, battery and load\u003c\/li\u003e\n    \u003cli\u003eAnti-backflow control when used with the Sigen Energy Gateway\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cdiv class=\"sgs-callout\"\u003e\n    \u003cp\u003e💡 \u003cstrong\u003eIndustrial-scale metering:\u003c\/strong\u003e The 600A CT rating and 36mm bore diameter accommodate the large busbars and cable cross-sections typical of industrial switchgear, MCC enclosures and commercial distribution systems with high-current incomers. This is the correct variant for sites with three-phase supplies rated above 300A per phase and up to 600A per phase.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eKey Features\u003c\/h2\u003e\n  \u003cdiv class=\"sgs-grid\"\u003e\n    \u003cdiv class=\"sgs-card\"\u003e\n\u003cstrong\u003e🏭 3 × 600A Split-Core CTs — 36mm Bore\u003c\/strong\u003eThree split-core 600A current transformers are included. The 36mm inner bore diameter is sized for large-section cables and busbars found in industrial switchgear and commercial distribution panels. Split-core design allows the CT to be fitted around existing conductors with no disconnection or shutdown required — critical for installation on live commercial systems.\u003c\/div\u003e\n    \u003cdiv class=\"sgs-card\"\u003e\n\u003cstrong\u003e⚡ Industrial Supply Coverage\u003c\/strong\u003eRated to 600A per phase, this sensor handles the largest three-phase supplies for which Sigenergy currently offers a metering solution. Supports 3P3W (delta) and 3P4W (star\/wye with neutral) configurations, with a voltage range of 173–480 Vac covering UK, European and international industrial supply standards.\u003c\/div\u003e\n    \u003cdiv class=\"sgs-card\"\u003e\n\u003cstrong\u003e⚡ 100ms Data Refresh\u003c\/strong\u003eMeasurements update every 100 milliseconds, giving the Energy Controller real-time visibility of rapid load changes across all three phases simultaneously — essential for responsive demand management on industrial sites with large motor loads, compressors, or process equipment with high inrush currents.\u003c\/div\u003e\n    \u003cdiv class=\"sgs-card\"\u003e\n\u003cstrong\u003e🎯 ±1% Power Accuracy\u003c\/strong\u003eVoltage ±0.5%, current ±0.5%, power ±1%, frequency ±0.2% — consistent across the full Sigen Sensor range regardless of CT size. Suitable for export limitation compliance, maximum demand management and Smart Export Guarantee metering.\u003c\/div\u003e\n    \u003cdiv class=\"sgs-card\"\u003e\n\u003cstrong\u003e📺 LCD Real-Time Display\u003c\/strong\u003eIntegrated LCD displays live three-phase measurements at the unit — useful on large commercial installations where monitoring equipment may be in a separate control room and an on-site reading is needed during commissioning, maintenance or fault investigation.\u003c\/div\u003e\n    \u003cdiv class=\"sgs-card\"\u003e\n\u003cstrong\u003e📐 DIN Rail Mounting\u003c\/strong\u003eStandard 35mm DIN rail installation for integration into commercial distribution boards and MCC panels. Sensor body dimensions: 72 × 94.5 × 65mm \/ 200g — the same compact form factor as the other three-phase CT variants.\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eThree Phase CT Rating Selection Guide\u003c\/h2\u003e\n  \u003ctable class=\"sgs-variant-table\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003ePart No\u003c\/th\u003e\n        \u003cth\u003eCT Rating\u003c\/th\u003e\n        \u003cth\u003eCT Bore\u003c\/th\u003e\n        \u003cth\u003eTypical Application\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSIG-SENSOR-TP-CT-DH\u003c\/td\u003e\n        \u003ctd\u003e120A\u003c\/td\u003e\n        \u003ctd\u003e16mm\u003c\/td\u003e\n        \u003ctd\u003eThree-phase residential and small commercial — up to 120A per phase\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSIG-SENSOR-TP-CT300-DH\u003c\/td\u003e\n        \u003ctd\u003e300A\u003c\/td\u003e\n        \u003ctd\u003e—\u003c\/td\u003e\n        \u003ctd\u003eLight commercial \/ medium industrial — 121A to 300A per phase\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr class=\"col-highlight\"\u003e\n        \u003ctd\u003eSIG-SENSOR-TP-CT600-DH ★ (this product)\u003c\/td\u003e\n        \u003ctd\u003e600A\u003c\/td\u003e\n        \u003ctd\u003e36mm\u003c\/td\u003e\n        \u003ctd\u003eLarge commercial \/ industrial — 301A to 600A per phase\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003ctable class=\"sgs-spec-table\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr class=\"section-head\"\u003e\u003ctd colspan=\"2\"\u003eProduct Identity\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePart No\u003c\/td\u003e\n\u003ctd\u003eSIG-SENSOR-TP-CT600-DH\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSigenergy\u003c\/td\u003e\n\u003c\/tr\u003e\n\n      \u003ctr class=\"section-head\"\u003e\u003ctd colspan=\"2\"\u003ePower Supply \u0026amp; Grid Connection\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGrid connection type\u003c\/td\u003e\n\u003ctd\u003e3P3W \/ 3P4W (three-phase three-wire \/ four-wire)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAC input voltage range\u003c\/td\u003e\n\u003ctd\u003e173–480 Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNominal AC frequency\u003c\/td\u003e\n\u003ctd\u003e50 \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\n      \u003ctr class=\"section-head\"\u003e\u003ctd colspan=\"2\"\u003eMeasurement Accuracy\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eVoltage accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCurrent accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePower accuracy\u003c\/td\u003e\n\u003ctd\u003e±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eFrequency accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eData refresh rate\u003c\/td\u003e\n\u003ctd\u003e100ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\n      \u003ctr class=\"section-head\"\u003e\u003ctd colspan=\"2\"\u003eCommunication\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBaud rate\u003c\/td\u003e\n\u003ctd\u003e9,600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003c\/tr\u003e\n\n      \u003ctr class=\"section-head\"\u003e\u003ctd colspan=\"2\"\u003eGeneral Data — Sensor Body\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd\u003e72 × 94.5 × 65mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e200g\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eLCD (real-time voltage, current, power, frequency)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eInstallation method\u003c\/td\u003e\n\u003ctd\u003eDIN Rail 35mm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eIngress protection rating\u003c\/td\u003e\n\u003ctd\u003eIP51\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eRelative humidity\u003c\/td\u003e\n\u003ctd\u003e0–90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\n      \u003ctr class=\"section-head\"\u003e\u003ctd colspan=\"2\"\u003eCT Accessories (× 3 supplied)\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNumber of CTs supplied\u003c\/td\u003e\n\u003ctd\u003e3 (one per phase)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCT type\u003c\/td\u003e\n\u003ctd\u003eSplit-core (clip-on, no disconnection required)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMax. operating current per CT\u003c\/td\u003e\n\u003ctd\u003e600A\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCT inner bore diameter\u003c\/td\u003e\n\u003ctd\u003e36mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n      \u003ctr class=\"section-head\"\u003e\u003ctd colspan=\"2\"\u003eStandards\u003c\/td\u003e\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eStandard compliance\u003c\/td\u003e\n\u003ctd\u003eEN 61010-1:2010, EN 61010-2-030:2010\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdiv class=\"sgs-faq-item\"\u003e\n    \u003ch3\u003eHow do I confirm which CT rating I need?\u003c\/h3\u003e\n    \u003cp\u003eCheck the rated current of the DNO main fuse or incomer protection device on each phase at the grid connection point. If the per-phase rating is between 301A and 600A, this 600A variant is the correct choice. If it is 300A or below, the \u003cstrong\u003eSIG-SENSOR-TP-CT300-DH\u003c\/strong\u003e provides adequate headroom with a smaller CT and may be easier to handle. Always select the CT rating that exceeds — not merely equals — your maximum expected per-phase current to preserve measurement accuracy at full load.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"sgs-faq-item\"\u003e\n    \u003ch3\u003eWill the 36mm bore CT fit around my cables or busbars?\u003c\/h3\u003e\n    \u003cp\u003eThe 36mm inner bore diameter accommodates cable conductors or busbar sections up to approximately 36mm in their narrowest dimension. For very large flat busbars or conductors in tight groupings, verify the physical dimensions on site before ordering. If the bore is insufficient, consult Sigenergy or your distributor — higher CT bore accessories may be available for large industrial installations.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"sgs-faq-item\"\u003e\n    \u003ch3\u003eIs a G99 application needed when connecting Sigenergy storage to an industrial supply?\u003c\/h3\u003e\n    \u003cp\u003eFor commercial and industrial installations connecting generating plant (including battery storage in export mode) to the Distribution Network, a G99 application to the DNO is typically required where total export capacity exceeds 16A per phase. The Power Sensor's export limitation capability allows the system to enforce a zero-export or maximum-export limit as a condition of the DNO connection agreement, but the G99 process itself must be managed by the responsible engineer or DNO connection team. This description is for general guidance only — always confirm compliance requirements with your DNO and a qualified electrical engineer.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"sgs-infobox\"\u003e\n    \u003cstrong\u003eℹ️ Often purchased with:\u003c\/strong\u003e\n    \u003cstrong\u003eSigenStor EC TP series or multi-inverter SigenStor stacks\u003c\/strong\u003e — three-phase Energy Controllers for large commercial installations ·\n    \u003cstrong\u003eSigen Energy Gateway HomePro\u003c\/strong\u003e — site-wide backup switching and demand management ·\n    \u003cstrong\u003eSIG-SENSOR-TP-CT300-DH\u003c\/strong\u003e — if supply is rated 300A or below ·\n    \u003cstrong\u003eSigen CommMod (11170009)\u003c\/strong\u003e — 4G connectivity where Ethernet is not available at the inverter location\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Sigenergy","offers":[{"title":"Default Title","offer_id":63581187637597,"sku":"SIG-SENSOR-TP-CT600-DH","price":320.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/SigenergyPowerSensorThreePhaseExternalCTDH.jpg?v=1771914600","url":"https:\/\/qualityheating.co.uk\/products\/sigenergy-sigen-power-sensor-three-phase-external-ct-600a-din-rail-rs485-industrial-import-export-monitoring","provider":"AIZO Quality Heating","version":"1.0","type":"link"}