{"product_id":"sigen-sensor-tp-ct100-wi-three-phase-zero-export-meter","title":"Sigen Sensor TP-CT100-WI Three Phase Zero Export Meter","description":"\u003c!-- SEO Product Name: Sigen Sensor TP-CT100-WI Three Phase Zero Export Meter --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe \u003cstrong\u003eSigen Sensor TP-CT100-WI\u003c\/strong\u003e is a three-phase, wireless-enabled power sensor built specifically for the \u003cstrong\u003eSigenMicro\u003c\/strong\u003e ecosystem. Fitted at the grid connection point, it measures live import and export across all three phases continuously, feeding this data directly into the SigenMicro WLAN Mesh network so the system can provide \u003cstrong\u003ezero-export energy metering\u003c\/strong\u003e without a separate external gateway.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eUnlike the RS485-only Sigen Power Sensor variants used with the SigenStor battery ecosystem, the \u003cstrong\u003e-WI suffix\u003c\/strong\u003e denotes wireless communication: this sensor can talk directly to SigenMicro inverters over the same \u003cstrong\u003eWLAN Mesh network\u003c\/strong\u003e already used between the microinverters themselves, or fall back to a wired \u003cstrong\u003eRS485 connection\u003c\/strong\u003e where the installation uses Sigenergy inverters that communicate over RS485 instead.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eA \u003cstrong\u003ebuilt-in current transformer (CT)\u003c\/strong\u003e clamps around each incoming supply phase, so there is no need to break or route the live conductors through the sensor body. The unit mounts on a standard \u003cstrong\u003e35mm DIN rail\u003c\/strong\u003e in the consumer unit, with onboard status LEDs for power, wireless connection, and RS485 activity, and supports both \u003cstrong\u003e3-wire and 4-wire\u003c\/strong\u003e three-phase supply configurations.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; width:100%; margin:0 0 24px 0; border-radius:8px; overflow:hidden;\"\u003e\n\u003cdiv style=\"flex:1; min-width:100px; background:#008377CF; color:#fff; text-align:center; padding:14px 8px; border-right:1px solid rgba(255,255,255,0.25);\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; line-height:1.2;\"\u003e3-Phase\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px; text-transform:uppercase; letter-spacing:.04em; margin-top:4px;\"\u003eGrid Type\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:100px; background:#008377CF; color:#fff; text-align:center; padding:14px 8px; border-right:1px solid rgba(255,255,255,0.25);\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; line-height:1.2;\"\u003e100A\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px; text-transform:uppercase; letter-spacing:.04em; margin-top:4px;\"\u003eCT Current Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:100px; background:#008377CF; color:#fff; text-align:center; padding:14px 8px; border-right:1px solid rgba(255,255,255,0.25);\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; line-height:1.2;\"\u003eClass 1\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px; text-transform:uppercase; letter-spacing:.04em; margin-top:4px;\"\u003eMetering Accuracy (±1%)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:100px; background:#008377CF; color:#fff; text-align:center; padding:14px 8px; border-right:1px solid rgba(255,255,255,0.25);\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; line-height:1.2;\"\u003eWLAN + RS485\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px; text-transform:uppercase; letter-spacing:.04em; margin-top:4px;\"\u003eCommunication\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:100px; background:#008377CF; color:#fff; text-align:center; padding:14px 8px; border-right:1px solid rgba(255,255,255,0.25);\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; line-height:1.2;\"\u003e3W \/ 4W\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px; text-transform:uppercase; letter-spacing:.04em; margin-top:4px;\"\u003eSupported Grid Wiring\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:100px; background:#008377CF; color:#fff; text-align:center; padding:14px 8px; border-right:1px solid rgba(255,255,255,0.25);\"\u003e\n\u003cdiv style=\"font-size:18px; font-weight:700; line-height:1.2;\"\u003eDIN Rail\u003c\/div\u003e\n\u003cdiv style=\"font-size:11px; text-transform:uppercase; letter-spacing:.04em; margin-top:4px;\"\u003eMounting\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; padding:14px 18px; margin:0 0 20px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#E0942A; margin-bottom:4px; font-size:14px;\"\u003ePlease Note\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.6; color:#2B2B2B;\"\u003eThis is a \u003cstrong\u003eSigenMicro-specific sensor\u003c\/strong\u003e, distinct from the Sigen Power Sensor range used with SigenStor battery systems. The \u003cstrong\u003e-WI models communicate wirelessly over the SigenMicro WLAN Mesh network\u003c\/strong\u003e as their primary method, with RS485 available as an alternative wiring scenario for other Sigenergy inverters — always confirm which sensor variant your installation calls for before ordering.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:0 0 28px 0;\"\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eZero Export Energy Metering\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#3A3A3A;\"\u003eContinuously measures grid import and export across \u003cstrong\u003eall three phases\u003c\/strong\u003e at the connection point, giving the SigenMicro system live data for zero-export compliance and generation monitoring.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eWireless WLAN Mesh Communication\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#3A3A3A;\"\u003eTalks directly to SigenMicro microinverters over the same \u003cstrong\u003eWLAN Mesh network\u003c\/strong\u003e used between the inverters, removing the need for a dedicated communication gateway.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eBuilt-In Current Transformer\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#3A3A3A;\"\u003eUses an \u003cstrong\u003einternal CT rated to 100A per phase\u003c\/strong\u003e, so the sensor clamps onto the existing supply cables rather than requiring the live conductors to be cut or routed through the unit.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eSupports 3-Wire and 4-Wire Systems\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#3A3A3A;\"\u003eCompatible with both \u003cstrong\u003e3-phase 3-wire and 3-phase 4-wire\u003c\/strong\u003e grid configurations, covering the range of three-phase supply arrangements found in UK installations.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eClass 1 Metering Accuracy\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#3A3A3A;\"\u003eDelivers \u003cstrong\u003e±1% metering accuracy\u003c\/strong\u003e, suitable for accurate export tracking and Smart Export Guarantee (SEG) reporting.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#00625D; font-size:15px; margin-bottom:6px;\"\u003eRS485 Fallback Connection\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; line-height:1.6; color:#3A3A3A;\"\u003eAlso supports a wired \u003cstrong\u003eRS485 connection\u003c\/strong\u003e for installations using Sigenergy inverters that communicate over RS485 rather than WLAN Mesh.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"width:100%; margin:0 0 28px 0; border:1px solid #D9EDEA; border-radius:8px; overflow:hidden;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 16px; font-size:13px; text-transform:uppercase; letter-spacing:.04em;\"\u003eProduct Identity\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eModel\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eSigen Sensor TP-CT100-WI\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eSigenergy\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eSystem Compatibility\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eSigenMicro (WLAN Mesh) or RS485-based Sigenergy inverters\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 16px; font-size:13px; text-transform:uppercase; letter-spacing:.04em;\"\u003ePower Supply \u0026amp; Grid Connection\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eGrid Connection Type\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eThree-phase, 3-wire \/ 4-wire\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eNominal Voltage\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003e3 x 220\/230\/240 Vac, 50 \/ 60 Hz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eVoltage Measurement Range\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003e100 - 277 Vac (L-N), 173 - 480 Vac (L-L)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eCurrent Measurement Range\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003e0 - 100 A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 16px; font-size:13px; text-transform:uppercase; letter-spacing:.04em;\"\u003eMeasurement Accuracy\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eElectricity Metering Accuracy\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eClass 1 (error within ±1%)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 16px; font-size:13px; text-transform:uppercase; letter-spacing:.04em;\"\u003eCommunication\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eWireless\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eWLAN Mesh (SigenMicro network)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eWired Interface\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eRS485 (alternative wiring scenario)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eStatus Indicators\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003ePower, wireless connection, RS485 activity LEDs\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#fff; font-weight:700; padding:10px 16px; font-size:13px; text-transform:uppercase; letter-spacing:.04em;\"\u003eGeneral Data\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eIngress Protection Rating\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eIP20\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #E5EFEE;\"\u003e\n\u003cdiv style=\"padding:9px 16px; font-weight:600; color:#333; font-size:14px; width:46%;\"\u003eInstallation Method\u003c\/div\u003e\n\u003cdiv style=\"padding:9px 16px; color:#222; font-size:14px; flex:1;\"\u003eDIN Rail 35 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FDECEC; border-left:4px solid #D32F2F; padding:14px 18px; margin:0 0 20px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#D32F2F; margin-bottom:4px; font-size:14px;\"\u003eImportant Safety Information\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; line-height:1.6; color:#2B2B2B;\"\u003eInstallation and connection to the incoming electrical supply must be carried out by a \u003cstrong\u003equalified electrical installer\u003c\/strong\u003e, in accordance with current UK wiring regulations. Always avoid hot-line work — isolate the supply before connecting or servicing the sensor.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 24px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:13px 18px; font-weight:700; font-size:15px; cursor:pointer; list-style:none;\"\u003eWhat does the Sigen Sensor TP-CT100-WI do?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; line-height:1.65; color:#2B2B2B; background:#fff;\"\u003eIt measures live grid import and export across all three phases at the connection point and feeds this data to the SigenMicro system, enabling \u003cstrong\u003ezero-export energy metering\u003c\/strong\u003e and accurate generation monitoring.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:13px 18px; font-weight:700; font-size:15px; cursor:pointer; list-style:none;\"\u003eHow does this sensor communicate with SigenMicro inverters?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; line-height:1.65; color:#2B2B2B; background:#fff;\"\u003ePrimarily over \u003cstrong\u003eWLAN Mesh\u003c\/strong\u003e — the same wireless network used between SigenMicro microinverters — meaning no separate communication gateway is needed. It can also connect over \u003cstrong\u003eRS485\u003c\/strong\u003e for installations using Sigenergy inverters that use that interface instead.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:13px 18px; font-weight:700; font-size:15px; cursor:pointer; list-style:none;\"\u003eDoes this sensor work with both 3-wire and 4-wire three-phase supplies?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; line-height:1.65; color:#2B2B2B; background:#fff;\"\u003eYes, the TP-CT100-WI supports both \u003cstrong\u003e3-phase 3-wire and 3-phase 4-wire\u003c\/strong\u003e grid systems.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:13px 18px; font-weight:700; font-size:15px; cursor:pointer; list-style:none;\"\u003eIs this the same sensor used with SigenStor battery systems?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; line-height:1.65; color:#2B2B2B; background:#fff;\"\u003eNo. This is a \u003cstrong\u003eSigenMicro-specific -WI variant\u003c\/strong\u003e built for wireless mesh communication with microinverters. SigenStor battery systems typically use the separate RS485-only Sigen Power Sensor range (TP-DH \/ TP-CT-DH and equivalents).\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#fff; padding:13px 18px; font-weight:700; font-size:15px; cursor:pointer; list-style:none;\"\u003eDo I need to cut the live cables to fit this sensor?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px; font-size:15px; line-height:1.65; color:#2B2B2B; background:#fff;\"\u003eNo. The TP-CT100-WI uses \u003cstrong\u003ebuilt-in current transformers\u003c\/strong\u003e rated to 100A per phase that clamp around the existing supply cables, so the live conductors do not need to be disconnected or routed through the sensor body.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sigenergy","offers":[{"title":"Default Title","offer_id":65894259982685,"sku":"TP-CT100-14370011","price":220.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/SigenSensorSP-CT100-WISinglePhaseZeroExportMeter.png?v=1789141368","url":"https:\/\/qualityheating.co.uk\/products\/sigen-sensor-tp-ct100-wi-three-phase-zero-export-meter","provider":"AIZO Quality Heating","version":"1.0","type":"link"}