This is the 100 Amp current transformer (CT) that Sol-Ark 5K, 8K, and 12K inverters use to measure grid or load current. If your monitoring readings look off, or you're setting up a new install and need the correct sensor, this is the part.
A current transformer is a small but critical part of your inverter's monitoring accuracy. It clamps around a conductor and reports current draw back to the inverter's control board, which is what drives your app readings, load management logic, and grid-export calculations. Using the correct CT model matters — a mismatched or incorrectly rated CT can produce false readings or trip monitoring faults. Note: If you would like to review the manufacturer Product Specifications, Warranty, Brochure, etc., for this system, please refer to the "Resources (System Manuals and Warranty)" Tab above on this page.
Critical Fitment & Requirements
- Rated for 100 Amp measurement (ampacity limit).
- Designed specifically for Sol-Ark 5K, 8K, and 12K inverters.
- SKU/Model: SACT-SM.
- NOT confirmed for use with Sol-Ark inverter models outside the 5K/8K/12K family [NEEDS VERIFICATION].
- NOT confirmed for use with non-Sol-Ark inverter brands.
CT orientation and clamp tightness are common sources of monitoring errors on Sol-Ark systems. A CT installed backwards or loosely clamped around the conductor will report inverted or noisy current data, which can throw off load management and cause the inverter to misjudge grid export or consumption. Prevent this by seating the CT fully around the conductor per the polarity arrow (toward the source, per Sol-Ark documentation) and verifying the clamp closes flush with no gap. Confirm correct current readings with a clamp meter or multimeter against the inverter's live display before closing up the enclosure. Always torque any associated terminal connections to the panel manufacturer's spec and follow NEC guidance on CT and metering conductor separation from power conductors where applicable.
Key Benefits
- Purpose-built to match Sol-Ark's factory monitoring calibration for 5K/8K/12K models.
- 100A rating matches the CT input range expected by these inverter control boards.
- Drop-in replacement part — no custom wiring modifications needed for the CT itself.
- Correct CT model avoids false fault codes tied to mismatched current sensing.
| Spec | Value | Unit |
|---|---|---|
| Ampacity Rating | 100 | A |
| Compatible Inverters | Sol-Ark 5K, 8K, 12K | — |
| Model / SKU | SACT-SM | — |
Note: See "Resources (System Manuals and Warranty)" Tab above for full specifications.
Compatibility & Fitment
- Fits: Sol-Ark 5K inverters.
- Fits: Sol-Ark 8K inverters.
- Fits: Sol-Ark 12K inverters.
- Does NOT list compatibility with Sol-Ark inverters outside the 5K/8K/12K family [NEEDS VERIFICATION].
- Does NOT list compatibility with other inverter brands.
Compliance & Environment
| Item | Detail |
|---|---|
| UL Listing | [NEEDS VERIFICATION] |
| IP Rating | [NEEDS VERIFICATION] |
| NEC Ampacity Reference | [NEEDS VERIFICATION] |
FAQ
What inverters does this 100A CT work with?
This CT is designed for Sol-Ark 5K, 8K, and 12K inverters.
What is the amperage rating of this CT?
This current transformer is rated for 100 amps.
Will this CT work with other inverter brands?
This CT is listed by the manufacturer specifically for Sol-Ark 5K, 8K, and 12K inverters. Compatibility with other brands is not confirmed.
Is this the same CT used for both grid and load monitoring?
The manufacturer data provided does not specify separate grid vs. load CT part numbers, so this detail is not confirmed. [NEEDS VERIFICATION]
Warranty & Registration
Manufacturer warranty terms for this part were not included in the provided data. Please refer to the "Resources (System Manuals and Warranty)" Tab above on this page for official warranty documentation. [NEEDS VERIFICATION]
