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250A/125mA 300A/100mA CT-257 Current Transformer
Specializing in the production, sales, research and development of current transformers, potential transformers and inductors
Specializing in the production, sales, research and development of current transformers, potential transformers and inductors
1. Application: electronic energy meter, instrument, current sensor, PDU, switch power, induction cooker, charging pile, control board etc.
2. Reliability: epoxy resin for long time ,Compatible with RoHS,REACH and ISO9001:2015
4. Performance Parameter:
|
Model NO |
Rated Input Current |
Turns Ratio |
Rated Output Current |
Load Resistor |
Out Voltage |
Accuracy |
Permissible Error |
Phase Angel Error |
Max Current |
|
CT-257-2.0F |
0~250A |
2000:1 |
0~125mA |
≤10Ω |
≤1.25V |
≥0.1% |
≤0.1% |
≤8’ |
300A/30KHZ |
|
CT-257-3.0F |
0~300A |
3000:1 |
0~100mA |
≤10Ω |
≤1.0V |
≥0.1% |
≤0.1% |
≤8’ |
400A/30KHZ |
5. Security Parameters:
Isolation Voltage: Primary Winding and Secondary Winding:3KV/2mA/60Sec;
Insulation Conductor:≥100MΩ /500V DC; Inflaming Retarding: UL94-V0;
Operating Temperature: -40℃~+85℃ Humidity ≤95% Frequency Range: 1KHZ~70KHZ
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