200A Current Transformer
200A Current Transformers (fits up to 4/0) – PER PAIR
Sol-Ark 200A CT
- Model: SA-CT-LG
- Series: PowerView Ethernet & Wi-Fi Dongle
- Amps: 200 A
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Sol-Ark 200A Current Transformer — Matched Pair for PowerView Monitoring
Precise Monitoring for Your Off-Grid System
- FREE System Design Consultation -- Our engineers verify compatibility with your exact PowerView setup
- FREE Shipping -- Ships free to your door, no freight surprises
- Compatibility Guarantee -- Pre-vetted to work with Sol-Ark PowerView dongles
$219.95
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Free Returns 30-day hassle-free returns.
Free Delivery Every order, every time.
Ships in 3–5 Days Heavy-duty crating included.
4.9/5 Stars 2,400+ verified reviews.
In the box
- 2x Sol-Ark 200A Current Transformers (SA-CT-LG)
Precise Monitoring for Your Off-Grid System
The Sol-Ark 200A Current Transformer (SA-CT-LG) gives your PowerView monitoring system the accurate amperage data it needs to track real-time energy flow. Rated for 200A and compatible with wire sizes up to 4/0, this field-tested pair of CTs integrates directly with the PowerView Ethernet & Wi-Fi Dongle series. Whether you're managing a grid-independent homestead or a cabin setup, these solar-rated transformers deliver the reliable readings you need to keep your system dialed in. Ships free.
FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
200A Rated Capacity
Fits Up to 4/0 Wire
Sold as a Pair
PowerView Compatible
200 A
Rated Amperage
4/0
Max Wire Size
SA-CT-LG
Model Number
Eliminate Guesswork From Your Energy Monitoring
Most power systems fail not because the hardware is bad, but because the owner cannot see what is actually happening. You are running blind without accurate amperage data — guessing at consumption, estimating loads, hoping the numbers line up. The Sol-Ark 200A Current Transformer eliminates that uncertainty by feeding precise, real-time readings directly into your PowerView monitoring system. At Off Grid Vault, every component we carry is pre-vetted for compatibility — this CT pair is designed to work seamlessly with Sol-Ark PowerView Ethernet and Wi-Fi dongles. No mix-and-match guesswork, no hoping it fits. You install it, connect it, and see exactly what your power system is producing and consuming. That is the difference between guessing and knowing.
Field-Tested For Serious Power Systems
A 200A rating is not a marketing number — it is the specification that determines whether your monitoring holds up under real load. When your well pump kicks on, when the shop tools start drawing, when the inverter pushes full capacity, this CT pair tracks every amp without dropping accuracy. The SA-CT-LG accommodates wire up to 4/0 gauge, fitting the heavy conductors common in off-grid battery-to-inverter runs and grid-independent panel feeds. This is not a generic marketplace component with unknown tolerances. It is a Sol-Ark original, built for the PowerView series, and field-tested in the environments where you are building your system. Off Grid Vault carries it because it meets the standard we demand for our own installations.
Complete Pair For Split-Phase Accuracy
Monitoring a 120/240V split-phase system requires two CTs — one for each leg. The SA-CT-LG ships as a matched pair, so you are not hunting for a second unit or mixing different models that could introduce calibration drift. Sol-Ark engineered this pair specifically for the PowerView Ethernet and Wi-Fi Dongle series, ensuring the signal your monitoring system receives is consistent across both legs. For anyone who has spent time on DIYsolarforum or watched enough system build videos, you know that mismatched CTs create phantom readings and skewed consumption data. This matched pair removes that variable entirely. Install both, connect to your PowerView dongle, and trust the numbers on your screen.
Compatibility Check
Confirm this CT pair matches your monitoring setup before ordering.
- Wire size 4/0 AWG or smaller
- PowerView Ethernet & Wi-Fi Dongle series installed
- Sol-Ark inverter monitoring configuration active
Where This Fits
Built for real monitoring scenarios where accurate current data matters.
Homestead Energy Tracking
Remote Cabin Monitoring
Backup System Oversight
Full specifications
At a glance
- Dimensions
- See product page
- Surface
- See product page
- Warranty
- See product page
Full specifications6 data points across 4 categories
Dimensions
| Dimensions | See product page |
|---|
Power & Performance
| Amps | 200 A |
|---|---|
| Model | SA-CT-LG |
| Series | PowerView Ethernet & Wi-Fi Dongle |
Materials
| Materials | See product page |
|---|
Compliance & Warranty
| Warranty | See product page |
|---|
The Off Grid Vault Promise
Every product we carry is vetted for real-world performance. This CT pair is no exception.
Free ShippingShips free to your door — no minimums, no fine print.
30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days.
Authorized DealerWe're an authorized Sol-Ark dealer. Warranty claims go through us, not a ticket queue.
★★★★★
“Added these to my Sol-Ark 15K with the PowerView dongle and finally have real-time amperage on both legs. Before this, I was estimating loads based on inverter screen readings — now I can see exactly what the well pump and shop tools are pulling. 4/0 fit perfectly with no adapter needed. Off Grid Vault shipped fast and the pair arrived matched and ready to install.”
Frequently Asked Questions
If you are running a PowerView monitoring system, this CT pair is the component that makes the data meaningful. Without accurate amperage input, your PowerView dongle cannot calculate real-time consumption, production, or battery state. You are not paying for a transformer — you are paying for the ability to see exactly what your power system is doing. For a system that represents thousands of dollars in equipment, $219.95 is the cost of actual visibility versus guessing.
Off Grid Vault is an authorized Sol-Ark dealer, which means your purchase carries full manufacturer warranty backing through us — not a support ticket queue. If there is an issue, you deal with our team, not an offshore call center. We also provide free system design consultation, so if you are unsure whether this CT pair is the right fit for your specific PowerView configuration, our engineers will confirm it before you buy.
This CT pair is designed specifically for the Sol-Ark PowerView Ethernet and Wi-Fi Dongle series. It is not a universal CT — it is engineered to communicate with PowerView monitoring. If your Sol-Ark inverter is connected to a PowerView dongle for remote monitoring, this is the correct CT pair. If you are unsure about your specific setup, contact us for a free system design consultation and we will confirm compatibility based on your exact configuration.
The SA-CT-LG accommodates wire up to 4/0 gauge. This covers the conductor sizes typically used in battery-to-inverter runs and main panel feeds for systems in the 200A range. No adapter or reducer ring needed for standard heavy-gauge installations. If your setup uses larger conductors, contact our team before ordering and we will verify fitment for your specific configuration.
Yes. The SA-CT-LG pair can be installed on an existing PowerView monitoring system at any time. If you already have a PowerView dongle connected to your Sol-Ark inverter and want to add amperage monitoring, this CT pair integrates directly. Installation involves placing each CT around the appropriate conductor leg and connecting to the PowerView dongle inputs. If you need guidance on placement for your specific panel configuration, our free system design consultation covers that.
The Sol-Ark SA-CT-LG carries the manufacturer warranty provided by Sol-Ark. Off Grid Vault is an authorized dealer, so warranty claims go through us directly — you are not redirected to a third-party portal or left waiting. If the product does not perform as specified, our 30-day performance guarantee covers uninstalled returns in original packaging. For installed components, we handle the warranty process on your behalf as your authorized dealer.
The Off Grid Vault Promise
Every product we carry is vetted for real-world performance. This CT pair is no exception.
Free Shipping
Ships free to your door — no minimums, no fine print.
30-Day Performance Guarantee
If it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days.
Authorized Dealer
We're an authorized Sol-Ark dealer. Warranty claims go through us, not a ticket queue.
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About sol-ark Solar Panels
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