Circuit Sensors

Precision Current Transformers for Solar, EV, and Industrial Monitoring

Circuit Sensors designs and manufactures high-accuracy current transformers for solar, EV, industrial, and SCADA applications. Our CircuitFlow™ series delivers reliable, clean signal output and is trusted by professionals across North America.

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Canadian-Owned & Operated

Engineered in Canada and supported by real people who understand your systems.

Commercial-Grade Accuracy

All CTs are built for precision with tight accuracy tolerances and robust shielding.

Plug & Play Compatibility

Our CTs work with industry-leading platforms like APSystems, Sol-Ark, FlexSCADA and more.

Trusted for Performance

Every CircuitFlow CT is engineered for precise, real-world applications.

Precision Power Monitoring. Canadian Engineered.

CircuitFlow™ 200A CT (200A / 66.6mA Output)

Voltage-output CT designed for direct connection to inverters, PLCs, and advanced monitoring systems. Perfect for clean installs without burden resistors.

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CircuitFlow™ 225A CT (225A / 0.333V Output)

Voltage-output CT designed for direct connection to inverters, PLCs, and advanced monitoring systems. Perfect for clean installs without burden resistors.

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CircuitFlow™ 80A CT (80A / 26.6mA Output)

A compact and accurate option for sub-circuit monitoring, HVAC, and solar branch circuits. Flexible and easy to install in tight spaces.

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