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Current Transformer
Current Transformer, 10/5A, 20/5A, 40/5A to 75/5A
$85.93
SKU: ATO-CT-30I
Current transformer current ratio can select 10/5A, 25/5A, 50/5A and 75/5A, accuracy classes can choose 0.5s, 0.2, 0.2s, rated frequency 50 Hz/60Hz, low cost and manufacturer direct sale.
Current Transformer, 30/5A, 75/5A, 100/5A to 400/5A
$116.98
SKU: ATO-CT-3030I
Low cost CT transformer rated frequency 50Hz and 60Hz are optional, current ratio can be 30/5A, 75/5A, 100/5A, 200/5A and 400/5A, accuracy classes can be selected. AC current transformer with high accuracy, fast response and light weight.
Current Transformer, 200/5A, 400/5A, 600/5A to 1000/5A
$119.67
SKU: ATO-CT-60I
Low price current transformer can select ratio 200/5A, 300/5A, 600/5A and 1000/5A. rated frequency 50Hz or 60Hz, small size and light weight, manufacturer direct sale.
Current Transformer, 300/5A, 600/5A, 1000/5A to 1500/5A
$157.68
SKU: ATO-CT-60II
Current transformere ratio can select 300/5A, 500/5A, 800/5A and 1500/5A, rated frequency 50Hz and 60Hz are avaliable, accuracy classes can choose 0.5S and 0.2S. Low price and manufacturer direct sale.
Current Transformer, 500/5A, 800/5A, 1500/5A to 2500/5A
$179.68
SKU: ATO-CT-80I
Current transformer rated ratio 500:5A, 750:5A, 1200:5A and 2500:5A are available, accuracy classes can select 1, 0.5, 0.5S, 0.2 and 0.2S, rated frequency 50Hz or 60Hz, manufacturer direct saleand free shipping.
Current Transformer, 600/5A, 1000/5A, 2000/5A to 3000/5A
$195.68
SKU: ATO-CT-100II
High accuracy current transformer rated frequency can choose 50 Hz or 60Hz, current ratio can be 600/5A, 1000/5A, 1500/5A to 3000/5A, accuracy classes can select 1, 0.5, 0.5S, 0.2 or 0.2S. Direct sales from manufacturer and free shipping.
Split Core Current Transformer, 100/5A
$28.98
SKU: ATO-SCT-CTKD-100
Compact split current transformer with high accuracy and a current ratio of 100/5A, accuracy 0.5 grade, enables easy installation on existing power lines without disconnection or interruption of service.
Split Core Current Transformer, 150/5A
$28.98
SKU: ATO-SCT-CTKD-150
Split core current transformer rated current ratio 150/5A, accuracy class 1, current transformer can be quickly installed and disassembled in the state of no power failure and continuous line, and the operation is simple.
Split Core Current Transformer, 200/5A
$28.98
SKU: ATO-SCT-CTKD-200
200/5A split core current transformer at great price, the flame-retardant housing ensures stable and reliable protection, snap design, easy to open and close, and the compact size allows for easy installation and removal.
Split Core Current Transformer, 250/5A
$28.98
SKU: ATO-SCT-CTKD-250
Lightweight split-core current transformer 250A primary, 5A secondary, accuracy level 1, current transformer with core-piercing structure, flame retardant ABS material, good stability.
Split Core Current Transformer, 300/5A
$32.89
SKU: ATO-SCT-CTKD-300
300A Split core current transformers for egauge metering system, 5A secondary, 0.5 accuracy class, no need to cut off the power to quickly complete the disassembly and installation, safe, reliable and strong technical.
Split Core Current Transformer, 400/5A
$32.89
SKU: ATO-SCT-CTKD-400
400A Split core current transformer with accurate accuracy, 0.5 grade accuracy, compact design, good mechanical properties and environmental resistance, can measure current used in most residential electrical systems.
Split Core Current Transformer, 500/5A
$32.89
SKU: ATO-SCT-CTKD-500
Small split core current transformer provides a linear output voltage proportional to the input current, with a current ratio of 500/5A and an accuracy level of 0.5, with strong voltage isolation capability, safe and reliable.
Split Core Current Transformer, 600/5A
$89.68
SKU: ATO-SCT-CTKD-600
Highly accurate split core type current transformer with snap-on design, current ratio 600/5A, measurement accuracy 0.5, can be safely and easily installed in existing power systems, ideal for smart meters and grid retrofit.
Split Core Current Transformer, 800/5A
$89.78
SKU: ATO-SCT-CTKD-800
800/5A split core current transformer with 1.5m copper core wire, internal high quality copper wire winding, split core type current transformer can be quickly installed and disassembled in the state of non-stop power, non-connection, easy to operate, is the ideal choice for circuit transformation.
Split Core Current Transformer, 1000/5A
$89.78
SKU: ATO-SCT-CTKD-1000
Compact split core current transformer primary 1000A , secondary 5A , accuracy class 0.5, tie fixed installation with 1.5m red and black wire, can be used for electromagnetic relay protection, microcomputer protection, intelligent power and environmental monitoring.
Split Core Current Transformer, 1500/5A
$164.89
SKU: ATO-SCT-DP1500
Split core current transformer for cable and copper row, primary current 1500A, secondary output 5A, accuracy Class 0.5, simple structure and reasonable design allow the split core current transformer to be used flexibly in a variety of applications.
Split Core Current Transformer, 2500/5A
$173.49
SKU: ATO-SCT-DP2500
Split core current transformer with primary input 2500A, secondary output 5A, accuracy 0.5 grade, open design can be installed directly without opening the circuit, ABS flame retardant housing, pure copper winding, high reliability.
Core Balance Current Transformer, 300/1A, 400/1A, 600/1A
$169.99
SKU: ATO-CBCT-346
High quality core balance current transformers for sale! The CBCT transformation ratios, including 300/1A, 400/1A to 600/1A, to adapt to different current ranges. The ironless design ensures high performance and 5P10 accuracy, ensuring current transformers are accurate. This is an affordable option for a variety of power system applications, increasing system reliability and safety.
Core Balance Current Transformer, 60/1A, 100/1A, 200/1A
$139.45
SKU: ATO-CBCT-612
Low discount core balance current transformers for sale. The CBCT transformer we provide cover a variety of ratio specifications from 60/1A to 200/1A, a precision level of 5P10, and different rated outputs. The current transformers have zero sequence protection functions and can meet customers' different current measurement needs.
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Current Transformer Selection Table
| 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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