About Circuit Sensors

Engineered for Accuracy. Built for Real-World Applications.

Circuit Sensors is a Canadian manufacturer of high-precision current transformers designed to meet the demands of today’s energy systems. From solar and EV charging to industrial automation and SCADA integration, our sensors deliver the accuracy and durability professionals rely on.

At the core of our product line is the CircuitFlow™ series—current transformers engineered for clean signal output, reliable performance, and seamless compatibility with leading energy monitors, inverters, and control systems. Whether you’re building a residential solar array, commercial EV infrastructure, or a complex industrial control panel, Circuit Sensors offers a trusted solution for current measurement.

We proudly serve electrical contractors, integrators, OEMs, and distributors across North America. Our commitment to quality, innovation, and customer support ensures that every sensor shipped is ready to perform in the field.

Why Circuit Sensors?

Precision-manufactured CTs for 80A to 225A applications
Industry-standard outputs (66.6mA, 0.333V, 26.6mA)
Compatible with Emporia, Shelly, Sol-Ark, and more
Designed and supported in Canada
Ideal for solar, EV, SCADA, and industrial use

Canadian Owned and Operated

We are proud to be a Canadian-owned business, serving industries across the country and beyond. We understand the challenges of operating in diverse environments and provide products that are built to meet those unique needs.