Circuit Sensors – CircuitFlow 200A Current Transformer (200A/66.6mA)

Brand: Circuit Sensors
SKU: CS-CT200A-66mA

Direct replacement for the APsystems 200A CT (18083020012), the CircuitFlow 200A Current Transformer offers 66.6mA output with high accuracy and seamless compatibility. Ideal for QS1, YC600, and QT2 solar monitoring systems.

$39.99

Circuit Sensors – CircuitFlow 200A Current Transformer (200A/66.6mA)
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Circuit Sensors – CircuitFlow 200A Current Transformer (200A/66.6mA)

The CircuitFlow 200A Current Transformer (200A/66.6mA) from Circuit Sensors is a precision-engineered, plug-and-play replacement for the APsystems 200A CT (Part #18083020012). Designed to match the original specifications exactly, this CT provides the same 66.6mA output and split-core design for fast, tool-free installation.

Built for accuracy and durability, the CircuitFlow CT is fully compatible with APsystems microinverter systems, including QS1, YC600, and QT2 models. Whether you’re replacing a damaged sensor or stocking up on reliable alternatives, this CT delivers high performance without the OEM markup.

Key Features

  • Direct replacement for APsystems 18083020012 (200A/66.6mA)
  • Split-core design for easy, tool-free installation
  • 16mm opening for standard residential/commercial conductors
  • Accurate and reliable Class 1 measurement
  • Compatible with ECU-R and other APsystems gateways

Ideal for solar professionals and system owners seeking cost-effective alternatives without sacrificing quality or compatibility. Engineered by Circuit Sensors – built to perform, priced to compete.

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