

Tigo TS4-X-O Power Optimizer 800W 25A Isc with MC4 Connectors
The Tigo TS4-X-O is the power optimizer of the TS4-X platform, developed for the latest-generation PV modules up to 800W and 25A of short-circuit current. Fitted to the individual panel, it optimizes its electronic operation and recovers the energy that would be lost to partial shading, soiling, different orientations or uneven ageing of the modules, with a maximum efficiency of 99.6 %.
It is installed on the module frame or on the mounting structure and connected in line on the direct current side with MC4 connectors (or EVO2 on request), remaining compatible with inverters of any brand. In addition to optimization it offers module-level monitoring and UL PVRSE/PVRSS certified rapid shutdown, functions that require the Tigo TAP and CCA accessories. The IP68 enclosure and the wide temperature range from −40 to +85 °C allow it to be used in any climate, with a 25-year warranty.
Key features
Technical specifications
| Feature | Value |
|---|---|
| Product code | TS4-X-O-800W |
| Model | TS4-X-O |
| Type | Add-on optimizer for 1 PV module |
| Maximum module power | 800W |
| Maximum input voltage (Voc) | 80V |
| Input voltage range | 12 – 80V |
| Maximum continuous input current | 20A |
| Maximum short-circuit current (Isc) | 25A |
| Maximum system voltage | 1500V UL / 1000V IEC |
| Maximum efficiency | 99.6 % |
| Cable length | Input 0.6 m (or 1.2 m) – output 1.2 m (or 2 m) |
| Connectors | MC4 (EVO2 optional) |
| Rapid shutdown | Yes, certified UL 1741 PVRSE/PVRSS and UL 3741 PVHCE (requires TAP and CCA) |
| Communication | Wireless and PLC to Tigo Access Point (TAP) + Cloud Connect Advanced (CCA) |
| Protection rating | IP68 |
| Operating temperature | −40 °C / +85 °C |
| Standards | IEC 62109, UL 1741 PVRSE/PVRSS, UL 3741 PVHCE, CSA 22.2, CE-EMC, CE-RED, CISPR 31, FCC, IC |
| Warranty | 25 years |
| Dimensions | 139.7 × 138.4 × 22.9 mm |
| Weight | 0.52 kg |
Documentation
PDFDatasheet TS4-X-O-800WOfficial manufacturer documentInstallation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.
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