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  9. Fixed-Lead Precision Current Transformer
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Fixed-Lead Precision Current Transformer

The fixed‑lead precision current transformer features pre‑installed rigid leads for secure mounting and high vibration resistance. Combined with a high‑accuracy core and low phase‑error design, it maintains excellent measurement stability across wide temperature and frequency ranges, making it suitable for energy metering, industrial control, and precision laboratory systems.


Fixed Lead — Precision Current Transformer
ZH-GTA30L Series Precision Current Transformers


GTA30L1.0 GTA30L2.0 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 0-60 (RL=20Ω) 0-110 (RL=20Ω) A(AC)

0-50 (RL=50Ω) 0-90 (RL=50Ω) A(AC)

Linearity Degree 0.20% 0.10% %

DC Resistance 49±6Ω 150±15Ω Ω

Net weight 28 28.9 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: Complies with UL94-VO
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 4KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy Resin
Installation Method: Primary busbar through-hole, secondary lead output



Fixed Lead — Precision Current Transformer
ZH-GTA27L Series Precision Current Transformers


GTA21L Unit

Rated Input 60 A(AC)

Rated Output 30 mA(AC)

Ratio 83.3340277778 Ratio

Phase Difference ≤5 ＇ (RL=20Ω) Min

Linear Range 0-80 (RL=20Ω) A(AC)

0-70 (RL=50Ω) A(AC)

Linearity Degree 0.001 %

DC Resistance 148±20Ω Ω

Net weight 30 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: Complies with UL94-VO
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 4KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy Resin
Installation Method: Primary busbar through-hole, secondary lead output
Fixed Lead — Precision Current Transformer
ZH-GTA32L Series Precision Current Transformers

GTA32L1.0 GTA32L2.0 GTA32L3.0 Unit
Rated Input 50 100 100 A(AC)
Rated Output 50 50 33.3 mA(AC)
Ratio 1000:01:00 2000:01:00 3000:01:00 Ratio
Phase Difference ≤5 ＇ (RL=10Ω) ≤5 ＇ (RL=10Ω) ≤5 ＇ (RL=10Ω) Min
Linear Range 0-100 (RL=10Ω) 0-200 (RL=10Ω) 0-190 (RL=10Ω) A(AC)
0-70 (RL=30Ω) 0-150 (RL=50Ω) 0-150 (RL=50Ω) A(AC)
Linearity Degree 0.10% 0.10% 0.10% %
DC Resistance 38±6Ω 77±10Ω 166±20Ω Ω
Net weight 38.3 42 42.6 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: Complies with UL94-VO
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 4KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40℃ to +70℃
Sealing Material: Epoxy Resin
Installation Method: Primary busbar through-hole, secondary lead output
Fixed Lead — Precision Current Transformer
ZH-GTA27L Series Precision Current Transformers


GTA27L1.0 GTA27L2.0 Unit

Rated Input 100 200 A(AC)

Rated Output 100 100 mA(AC)

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

Phase Difference ≤ 50 ＇ (RL=10Ω) ≤ 30 ＇ (RL=10Ω) Min

Linear Range 0-300 (RL=10Ω) 0-1000 (RL=10Ω) A(AC)

Linearity Degree 0.50% 0.50% %

DC Resistance 32±6Ω 60±10Ω Ω

Net weight 82.7 89 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: Complies with UL94-V0
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 4KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40℃ to +70℃
Sealing Material: Epoxy resin
Installation Method: Primary busbar through-hole, secondary lead output




Fixed Lead — Precision Current Transformer
ZH-GTA35L Series Precision Current Transformers

GTA35L2.0 GTA35L3.0 GTA35L4.0 Unit
Rated Input 200 300 400 A(AC)
Rated Output 100 100 100 mA(AC)
Ratio 2000:01:00 3000:01:00 4000:01:00 Ratio
Phase Difference ≤5 ＇ (RL=10Ω) ≤5 ＇ (RL=10Ω) ≤5 ＇ (RL=10Ω) Min
Linear Range 0-240 (RL=10Ω) 0-360 (RL=10Ω) 0-480 (RL=10Ω) A(AC)
Linearity Degree 0.10% 0.10% 0.10% %
DC Resistance 55±10Ω 87±10Ω 92±15Ω Ω
Net weight 98.5 100 103 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: Complies with UL94-VO
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 4KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy Resin
Installation Method: Primary busbar through-hole, secondary lead output



Fixed Lead — Precision Current Transformer
ZH-GTA09L Series Precision Current Transformers


GTA09L1.0 GTA09L2.0 Unit

Rated Input 100 200 A(AC)

Rated Output 100 100 mA(AC)

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

Phase Difference ≤ 30 ＇ (RL=20Ω) ≤ 15 ＇ (RL=20Ω) Min


0-130 (RL=20Ω) 0-330 (RL=20Ω) A(AC)




Linear Range 0-130 (RL=50Ω) 0-300 (RL=50Ω) A(AC)

Linearity Degree 0.50% 0.50% %

DC Resistance 26±6Ω 57±8Ω Ω

Net weight 81 86 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: Complies with UL94-V0
Insulation Resistance: Greater than 1000MΩ under normal conditions
Voltage Rating: 0.66/0.72KV
Withstand Voltage: 4KV/50Hz/1min
Operating Frequency: 50/60Hz
Operating Temperature: -40℃ to +70℃
Sealing Material: Epoxy resin

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 : Suspended Lead Precision Current Transformer Next : Vertical Pin-Type Precision Current Transformer
Fixed-Lead Precision Current Transformer
The fixed‑lead precision current transformer features pre‑installed rigid leads for secure mounting and high vibration resistance. Combined with a high‑accuracy core and low phase‑error design, it maintains excellent measurement stability across wide temperature and frequency ranges, making it suitable for energy metering, industrial control, and precision laboratory systems.
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