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Coil-Wound Precision Current Transformer

The wound‑type precision current transformer employs high‑precision layered winding technology, delivering excellent linearity and phase accuracy. It maintains high stability and low temperature drift across a wide current range, making it suitable for energy metering, power analysis, and high‑precision industrial monitoring systems.
Coil—Precision Current Transformer






ZH-MK-01 Series Precision Current Transformers

ZG-MK-01 Unit
Rated Input 60 A(AC)
Rated Output 30 mA(AC)
Ratio 83.3340277778 Ratio
Phase Difference ≤ 50 ＇ (RL=5Ω) Min
Linear Range 0-110 (RL=5Ω) A(AC)
Linearity Degree 0.005 %
DC Resistance 100±15Ω Ω
Net weight 6 g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1.


Flame Retardant Properties: /
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 2.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -25℃ to +70℃
Sealing Material: Insulating Tape
Installation Method: Primary busbar through-hole, secondary lead output







Coil—Precision Current Transformer






ZH-XQ9Series Precision Current Transformers

XQ9-1.0 XQ9-2.0 Unit
Rated Input 10 20 A(AC)
Rated Output 10 10 mA(AC)
Ratio 1000:01:00 2000:01:00 Ratio
Phase Difference ≤ 10 ＇ (RL=20Ω) ≤5 ＇ (RL=20Ω) Min
Linear Range 0-40 (RL=20Ω) 0-60 (RL=20Ω) A(AC)
0-30 (RL=50Ω) 0-50 (RL=50Ω) A(AC)
Linearity Degree 0.20% 0.10% %
DC Resistance 39±5Ω 158±15Ω Ω
Net weight 8.7 8.3 g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1. /


Flame Retardant Properties: /
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 2.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -25℃ to +70℃
Sealing Material: Insulating Tape
Installation Method: Primary busbar through-hole, secondary lead output








Coil—Precision Current Transformer






ZH-DLX-02 Series Precision Current Transformers

DLX-02 Unit
Rated Input 30 A(AC)
Rated Output 15 mA(AC)
Ratio 83.3340277778 Ratio
Phase Difference ≤ 50 ＇ (RL=5Ω) Min
Linear Range 2-80 (RL=5Ω) A(AC)
Linearity Degree 0.005 %
DC Resistance 160±20Ω Ω
Net weight 6.8 g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1.


Flame Retardant Properties: /
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 2.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -25℃ to +70℃
Sealing Material: Insulating Tape
Installation Method: Primary busbar through-hole, secondary lead output







Coil—Precision Current Transformer






ZH-BC-01 Series Precision Current Transformers

BC-01 Unit
Rated Input 30 A(AC)
Rated Output 15 mA(AC)
Ratio 83.3340277778 Ratio
Phase Difference ≤ 40 ＇ (RL=5Ω) Min
Linear Range 1-80 (RL=5Ω) A(AC)
Linearity Degree 0.005 %
DC Resistance 110±15Ω Ω
Net weight 5.7 g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1.


Flame Retardant Properties: /
Insulation Resistance: Greater than 500MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 1.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -25℃ to +70℃
Sealing Material: Malla tape secured
Installation Method: Primary busbar through-hole, secondary lead output













Coil—Precision Current Transformer






ZH-XQ11Series Precision Current Transformers

XQ11-1.0 XQ11-2.0 Unit
Rated Input 20 40 A(AC)
Rated Output 20 20 mA(AC)
Ratio 1000:01:00 2000:01:00 Ratio
Phase Difference ≤5 ＇ (RL=20Ω) ≤5 ＇ (RL=20Ω) Min
Linear Range 0-60 (RL=20Ω) 0-100 (RL=20Ω) A(AC)
0-50 (RL=50Ω) 0-90 (RL=50Ω) A(AC)
Linearity Degree 0.10% 0.10% %
DC Resistance 62±5Ω 170±15Ω Ω
Net weight 18.3 20.7 g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1. /


Flame Retardant Properties: /
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 2.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -25℃ to +70℃
Sealing Material: Insulating Tape
Installation Method: Primary busbar through-hole, secondary lead output













Coil—Precision Current Transformer






ZH-XQ15Series Precision Current Transformers

XQ15-1.0 XQ15-2.0 Unit
Rated Input 50 100 A(AC)
Rated Output 50 50 mA(AC)
Ratio 1000:01:00 2000:01:00 Ratio
Phase Difference ≤5 ＇ (RL=20Ω) ≤5 ＇ (RL=20Ω) Min
Linear Range 0-100 (RL=1Ω) 0-150 (RL=20Ω) A(AC)
0-80 (RL=20Ω) 0-150 (RL=50Ω) A(AC)
Linearity Degree 0.10% 0.10% %
DC Resistance 64±5Ω 98±10Ω Ω
Net weight 22.3 29.5 g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1.


Flame Retardant Properties: /
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 2.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -25℃ to +70℃
Sealing Material: Insulating Tape
Installation Method: Primary busbar through-hole, secondary lead output













Coil—Precision Current Transformer






ZH-SK-01 Series Precision Current Transformers

ZH-SK-01 Unit
Rated Input 100 A(AC)
Rated Output 50 mA(AC)
Ratio 83.3340277778 Ratio
Phase Difference ≤ 30 ＇ (RL=25Ω) Min

0-300 (RL=25Ω) A(AC)




Linear Range 0-75 (RL=100Ω) A(AC)
Linearity Degree 0.005 %
DC Resistance 78±10Ω Ω
Net weight / g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1. /


Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 2.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40℃ to +70℃
Sealing Material: Insulating tape
Installation Method: Primary busbar through-hole, secondary lead output







Coil—Precision Current Transformer






ZH-SK-03 Series Precision Current Transformers

SK-03 Unit
Rated Input 500 A(AC)
Rated Output 250 mA(AC)
Ratio 83.3340277778 Ratio
Phase Difference ≤ 30 ＇ (RL=10Ω) Min
Linear Range 0-4000 (RL=10Ω) A(AC)
/ A(AC)
Linearity Degree 0.005 %
DC Resistance / Ω
Net weight / g
Dimension Tolerance 0.5 mm
Application Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1. /


Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 2.5KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40℃ to +70℃
Sealing Material: Insulating tape

Installation Method: Primary busbar through-hole, secondary lead output



Note: All parameters are for reference only. For more detailed product information, please feel free to contact us!


Previous : Horizontal Pin-Type Precision Current Transformer Next : Busbar-Embedded Precision Current Transformer
Coil-Wound Precision Current Transformer
The wound‑type precision current transformer employs high‑precision layered winding technology, delivering excellent linearity and phase accuracy. It maintains high stability and low temperature drift across a wide current range, making it suitable for energy metering, power analysis, and high‑precision industrial monitoring systems.
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