Current Transformer

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Solid Core Current Transformer, 50/5A, 100/5A, 150/5A, 200/5A

$46.19

SKU: ATO-SCCT-TY18CT

Favorable price solid core current transformer (CT) is a crucial component in electrical systems for measuring and monitoring current flow. This design ensures accuracy and reliability in current measurements. ATO 3 phase solid core CT comes with 0~3KV withstand voltage, available in current ratios of 30/5A, 50/5A, 70/5A, 100/5A, 150/5A, 200/5A, facilitating precise monitoring and control of electrical loads.

3 Phase Current Transformer, 100/5A, 200/5A, 250/5A

$92.69

SKU: ATO-3PCT-Z301

High-performance 3-phase current transformers with current ratios of 100/5A, 200/5A, 250/5A, accuracy to class 0.5 and a powerful 50 W. Suitable for 3-phase current measurement, ensuring reliable and accurate current monitoring.

3 Phase Current Transformer, 450/5A, 800/5A, 1250/5A

$95.87

SKU: ATO-3PCT-Z302

Precision measurement 3 phase current transformer with 0.5 accuracy for many scenarios. Current ratios are optional, including 450/5A, 800/5A, 1250/5A to meet different needs. Easy to install with 35mm aperture.The housing is made of flame retardant PC/ABS alloy to ensure the product is safe and reliable in high temperature environments, ideal for current monitoring.

3 Phase Current Transformer, 50/5A, 75/5A, 100/5A

$80.99

SKU: ATO-CT-AKH

3 Phase current transformer available in three variations: 50/5A, 75/5A, and 100/5A, accuracy is available in 0.5 or 1.5. With a 20mm cable aperture and a base plate screw fixing mechanism. With a power capacity of up to 50KW, this current transformers are well-suited for a broad spectrum of applications.

Split Core Current Transformer, 400A/5A, 800A/5A to 2000A/5A

$85.19

SKU: ATO-SCT-94M

Split core current transformers for sale are available in current ratios from 400A/5A, 600A/5A, 800A/5A to 2000A/5A. Unique design and split core construction for easy installation without disconnecting cables. Ideal for power monitoring systems, providing accurate measurements and easy installation to ensure efficient energy management.

What is a Current Transformer?

A current transformer is a donut-shaped device that clamps around a wire and measures how much current is flowing through it, without having to touch or cut the wire.

Current Transformer Selection Table

Below is a detailed specification comparison of each current transformer model for your reference.

Parameter	ATO-CT-AKH (3 Phase)	ATO-SCCT-TY18CT (Solid Core)	ATO-SCT-94M (Split Core)
Primary (Ipn)	50A / 75A / 100A	30A / 50A / 70A / 100A / 150A / 200A	400A to 2000A
Secondary (Isn)	5A	5A	5A
Output	5A AC	5A AC	5A AC
Accuracy	Class 0.5 / 1.5	Class 0.5	Class 0.5 / 0.3
Response Time	<1 ms	<1 ms	<1 ms
Insulation Voltage	3 kV	3 kV	6 kV
Temp. Range	-25°C ~ +60°C	-25°C ~ +60°C	-40°C ~ +85°C
Temp. Range	-40°C ~ +85°C	-40°C ~ +85°C	-40°C ~ +85°C
Size (mm)	138×52×34	See mounting notes	See mounting notes
Mounting	Base plate screw fixing	DIN Rail / Cable Tie	Open-close base mount
Material	Transparent Polycarbonate	Flame-retardant Plastic	Flame-retardant Plastic (UL94-Vo)
IP Rating	–	IP67	–
Applications	Power monitoring, Energy metering, Industrial control	Power metering, Protective relaying, Energy management	Power monitoring systems, Retrofitting, Energy mgmt.
Certification	CE, RoHS	CE, RoHS	CE, RoHS

Current Transformer

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