split core current transformer ct QNCTK1-10 5A5mA 5A2.5mA 10A 5mA QNCTK1-16 50A 50mA 100A 25mA clamp current transducer sensor

split core current transformer ct QNCTK1-10 5A5mA 5A2.5mA 10A 5mA QNCTK1-16 50A 50mA 100A 25mA clamp current transducer sensor

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