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  9. Split-Core Precision Current Transformer
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Split-Core Precision Current Transformer

The split‑core precision current transformer features a separable core design that enables live‑line quick installation. It maintains high‑accuracy measurement while offering flexible deployment, making it suitable for retrofit power monitoring, energy auditing, and industrial load analysis applications.

Split-Core——Precision Current Transformer
ZH-GL-KH06ALSeries Precision Current Transformers

ZH-GL-KH06AL1.0 ZH-GL-KH06AL2.0 Unit
Rated Input 5 5 A(AC)

Rated Output 5 2.5 mA(AC)

Ratio 1000:01:00 2000:01:00 Ratio

Phase Difference ≤ 250 ＇ (RL=10Ω) ≤ 200 ＇ (RL=10Ω) Min

Linear Range 0-20 (RL=10Ω) 0-30 (RL=10Ω) A(AC)

Linearity Degree 0.50% 0.50% %

DC Resistance 57±10Ω 212±25Ω Ω

Net weight 19.7 18.5 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.
































I. Features
1. Minimal-cut core design minimizes magnetic core losses and ensures high precision;
2. Installation requires no busbar disconnection, facilitating quick setup without disrupting normal power supply;
3. Sleek appearance with compact dimensions and lightweight construction;
4. Snap-on/off mechanism enables effortless opening and closing.
II. Typical Applications
1. Function: General measurement and protection in power systems requiring mobility, confined spaces, or uninterrupted power supply;
2. Applications: Motors, lighting, air compressors, electrical instruments, automatic control systems, electronic multifunctional energy meters, field calibrators,
instrumentation measurement and protection;
III. Electrical Characteristics
1. Maximum equipment voltage: 0.66KV;
2. Power Frequency Withstand Voltage: 3000V 50Hz /1 min (1mA);
3. Frequency Range: 50Hz-400KHz;











Opening——Precision Current Transformer

ZH-GL-KH10ALSeries Precision Current Transformers


ZH-GL-KH10AL1.0 ZH-GL-KH10AL2.0 ZH-GL-KH10AL3.0 Unit

Rated Input 5 10 30 A(AC)

Rated Output 5 5 10 mA(AC)

Ratio 1000:01:00 2000:01:00 3000:01:00 Ratio

Phase Difference ≤ 120 ＇ (RL=20Ω) ≤ 90 ＇ (RL=20Ω) ≤ 90 ＇ (RL=20Ω) Min

Linear Range 0-30 (RL=20Ω) 0-60 (RL=20Ω) 0-80 (RL=20Ω) A(AC)

Linearity Degree 0.50% 0.50% 0.50% %

DC Resistance 54±10Ω 190±20Ω 420±40Ω Ω

Net weight 46 47 50 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.




I. Features
1. Min-cut core design minimizes magnetic core losses and ensures high precision;
2. Installation requires no busbar disconnection, facilitating quick setup without disrupting normal power supply;
3. Elegant appearance with compact dimensions and lightweight construction;
4. Snap-on/off mechanism enables effortless opening and closing.
II. Typical Applications
1. Function: General measurement and protection in power systems requiring mobility, confined spaces, or uninterrupted power supply;
2. Applications: Motors, lighting, air compressors, electrical instruments, automatic control systems, electronic multifunctional energy meters, field calibrators,
instrumentation measurement and protection;
III. Electrical Characteristics
1. Maximum Equipment Voltage: 0.66KV;
2. Power frequency withstand voltage: 3000V 50Hz /1 min (1mA);
3. Frequency: 50Hz-400KHz










Opening——Precision Current Transformer

ZH-GL-KH16ALSeries Precision Current Transformers

ZH-GL-KH16AL1.0 ZH-GL-KH16AL2.0 ZH-GL-KH16AL3.0 ZH-GL-KH16AL4.0 Unit
Rated Input 100 100 100 100 A(AC)
Rated Output 100 50 33.3 25 mA(AC)
Ratio 1000:01:00 2000:01:00 3000:01:00 4000:01:00 Ratio
Phase Difference ≤ 120 ＇ (RL=20Ω) ≤ 90 ＇ (RL=20Ω) ≤ 90 ＇ (RL=20Ω) ≤ 90 ＇ (RL=20Ω) Min
Linear Range 0-120 (RL=20Ω) 0-120 (RL=20Ω) 0-150 (RL=20Ω) 0-150 (RL=20Ω) A(AC)
Linearity Degree 0.50% 0.50% 0.50% 0.50% %
DC Resistance 41±5Ω 125±15Ω 293±30Ω 560±50Ω Ω
Net weight 82 89 87 87 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.



I. Features
1. Minimal-cut core design minimizes magnetic core losses and ensures high precision;
2. Installation requires no busbar disconnection, facilitating quick setup without disrupting normal power supply;
3. Sleek appearance with compact dimensions and lightweight construction;
4. Snap-on/off mechanism enables effortless opening and closing.
II. Typical Applications
1. Function: General measurement and protection in power systems requiring mobility, confined spaces, or uninterrupted power supply;
2. Applications: Motors, lighting, air compressors, electrical instruments, automatic control systems, electronic multifunctional energy meters, field calibrators,
instrumentation measurement and protection;
III. Electrical Characteristics
1. Maximum equipment voltage: 0.66KV;
2. Power Frequency Withstand Voltage: 3000V 50Hz /1 min (1mA);
3. Frequency Range: 50Hz-400KHz;











Opening——Precision Current Transformer

ZH-GL-KH24ALSeries Precision Current Transformers


ZH-GL-KH24AL1.0 ZH-GL-KH24AL2.0 ZH-GL-KH24AL3.0 Unit

Rated Input 100 200 300 A(AC)

Rated Output 100 100 100 mA(AC)

Ratio 1000:01:00 2000:01:00 3000:01:00 Ratio

Phase Difference ≤ 30 ＇ (RL=20Ω) ≤ 30 ＇ (RL=20Ω) ≤ 30 ＇ (RL=20Ω) Min

Linear Range 0-120 (RL=20Ω) 0-240 (RL=20Ω) 0-360 (RL=20Ω) A(AC)

Linearity Degree 0.50% 0.50% 0.50% %

DC Resistance 41±5Ω 90±10Ω 140±20Ω Ω

Net weight 170 185 200 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. /








Type GL-26Y ▏ GL-45Y GL-65Y▏ GL-80Y GL-100Y Unit

Specification 1A/0.5mA A(AC)

Rated Input 50mA~2A mA(AC)

Sampling resistor 200 Ω

Error 0.5 %

Angular difference 60 Min

Accuracy class 1 Class

Main circuit current 0~63　▏0~100 0~250 ▏0~400 0~630 A(AC)

Application Zero-fire perforation, S1/S2 inductive output




I. Features
1. Minimal-cut core design minimizes magnetic core losses and ensures high precision;
2. Installation requires no busbar disconnection, facilitating quick setup without disrupting normal power supply;
3. Sleek appearance with compact dimensions and lightweight construction;
4. Snap-on/off mechanism enables effortless opening and closing.
II. Typical Applications
1. Function: General measurement and protection in power systems requiring mobility, confined spaces, or uninterrupted power supply;
2. Applications: Motors, lighting, air compressors, electrical instruments, automatic control systems, electronic multifunctional energy meters, field calibrators,
instrumentation measurement and protection;
III. Electrical Characteristics
1. Maximum Equipment Voltage: 0.66KV;
2. Power Frequency Withstand Voltage: 3000V 50Hz /1 min (1mA);
3. Frequency: 50Hz-60Hz;











Opening——Precision Current Transformer

ZH-GL-KH24ALSeries Precision Current Transformers


ZH-GL-KH24AL1.0 ZH-GL-KH24AL2.0 ZH-GL-KH24AL3.0 Unit

Rated Input 100 200 300 A(AC)

Rated Output 100 100 100 mA(AC)

Ratio 1000:01:00 2000:01:00 3000:01:00 Ratio

Phase Difference ≤ 30 ＇ (RL=20Ω) ≤ 30 ＇ (RL=20Ω) ≤ 30 ＇ (RL=20Ω) Min

Linear Range 0-120 (RL=20Ω) 0-240 (RL=20Ω) 0-360 (RL=20Ω) A(AC)

Linearity Degree 0.50% 0.50% 0.50% %

DC Resistance 41±5Ω 90±10Ω 140±20Ω Ω

Net weight 170 185 200 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. /









GL-KH24AL

Unit

Rated Input 100　▏150 200　▏250 300　▏400 A(AC)

Rated Output 5(1) A(AC)

Overload Multiplier 1.2 Times

Rated capacity 0.1　▏0.1 0.1　▏0.1 1 ▏1 VA

Linearity Degree 1 ▏1 1 ▏0.5 0.5 ▏0.5 %




I. Features
1. Minimal-cut core design minimizes magnetic core losses and ensures high precision;
2. Installation requires no busbar disconnection, facilitating quick setup without disrupting normal power supply;
3. Sleek appearance with compact dimensions and lightweight construction;
4. Snap-on/off mechanism enables effortless opening and closing.
II. Typical Applications
1. Function: General measurement and protection in power systems requiring mobility, confined spaces, or uninterrupted power supply;
2. Applications: Motors, lighting, air compressors, electrical instruments, automatic control systems, electronic multifunctional energy meters, field calibrators,
instrumentation measurement and protection;
III. Electrical Characteristics
1. Maximum Equipment Voltage: 0.66KV;
2. Power frequency withstand voltage: 3000V 50Hz /1 min (1mA);
3. Frequency: 50Hz-60Hz;


















Opening——Precision Current Transformer

ZH-GL-KH36ALSeries Precision Current Transformers


ZH-GL-KH36AL3.0 ZH-GL-KH36AL4.0 ZH-GL-KH36AL5.0 Unit

Rated Input 300 400 500 A(AC)

Rated Output 100 100 100 mA(AC)

Ratio 3000:01:00 4000:01:00 5000:01:00 Ratio

Phase Difference ≤ 30 ＇ (RL=20Ω) ≤ 30 ＇ (RL=20Ω) ≤ 30 ＇ (RL=20Ω) Min

Linear Range 0-360 (RL=20Ω) 0-480 (RL=20Ω) 0-600 (RL=20Ω) A(AC)

Linearity Degree 0.50% 0.50% 0.50% %

DC Resistance 160±20Ω 230±40Ω 290±50Ω Ω

Net weight 335 360 375 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. /









ZH-GL-KH36AL Unit
Rated Input 300 400 500 600 A(AC)
Rated Output 5(1) A(AC)
Overload multiples 1.2 Time
Rated capacity 1 2.5 2.5 5 VA
Linearity Degree 0.5 %



I. Features
1. Minimal-cut core design minimizes magnetic core losses and ensures high precision;
2. Installation requires no busbar disconnection, facilitating quick setup without disrupting normal power supply;
3. Elegant appearance with compact dimensions and lightweight construction;
4. Snap-on/off mechanism enables effortless opening and closing.
II. Typical Applications
1. Function: General measurement and protection in power systems requiring mobility, confined spaces, or uninterrupted power supply;
2. Applications: Motors, lighting, air compressors, electrical instruments, automatic control systems, electronic multifunctional energy meters, field calibrators,
instrumentation measurement and protection;
III. Electrical Characteristics
1. Maximum Equipment Voltage: 0.66KV;
2. Power frequency withstand voltage: 3000V 50Hz /1 min (1mA);
3. Frequency: 50Hz-60Hz;










Opening——Precision Current Transformer

ZH-GL-KH50ALLSeries Precision Current Transformers
ZH-GL-KH50AL Unit
Rated Input 300 400 600 800 1000 A(AC)
Rated Output 5 A(AC)
Overload multiples 1.2 Time
Rated capacity 2.5 2.5 2.5 2.5 5 VA
Linearity Degree 0.5 0.5 0.5 0.2 0.2 %
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. /



I. Features
1. Minimal-cut core design minimizes magnetic core losses and ensures high precision;
2. Installation requires no busbar disconnection, facilitating quick setup without disrupting normal power supply;
3. Sleek appearance with compact dimensions and lightweight construction;
4. Snap-on/off mechanism enables effortless opening and closing.
II. Typical Applications
1. Function: General measurement and protection in power systems requiring high mobility, confined spaces, or uninterrupted power supply;
2. Applications: Motors, lighting, air compressors, electrical instruments, automatic control systems, electronic multifunctional energy meters, field calibrators,
instrumentation measurement and protection;
III. Electrical Characteristics
1. Maximum Equipment Voltage: 0.66KV;
2. Power frequency withstand voltage: 3000V 50Hz /1 min (1mA);

3. Frequency: 50Hz-60Hz.



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

to contact us!


Previous : High-Frequency Precision Current Transformer Next : Large-Aperture Series Split-Core Precision Current Transformer
Split-Core Precision Current Transformer
The split‑core precision current transformer features a separable core design that enables live‑line quick installation. It maintains high‑accuracy measurement while offering flexible deployment, making it suitable for retrofit power monitoring, energy auditing, and industrial load analysis applications.
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