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 13726661550

Suspended Lead Precision Current Transformer

The suspended‑lead precision current transformer features flexible hanging leads for easy wiring and space‑efficient installation. With a high‑accuracy core and low‑error winding technology, it delivers stable and reliable current measurement over a wide range, making it suitable for laboratory instruments, energy metering, and high‑precision industrial monitoring systems.




Suspension Lead — Precision Current Transformer






ZH-GTA03L Series Precision Current Transformers

GTA03L1.0 GT A03L1.5 GT A03L2.0 Unit
Rated Input 5 15 5 A (AC)
Rated Output 5 10 2.5 mA (AC)
Ratio 1000:01:00 3/2/1900 12:01 2000:01:00 Ratio
Phase Difference ≤ 15′(RL=20Ω) ≤ 5′(RL=20Ω) ≤ 10′(RL=20Ω) Min
Linear Range 0-20 (RL=20Ω) 0-28 (RL=20Ω) 0-28 (RL=20Ω) A (AC)
Linear Range 0-12 (RL=50Ω) 0-20 (RL=50Ω) 0-20 (RL=100Ω) A (AC)
Linearity Degree 0.20% 0.10% 0.10% %
DC Resistance 52±5Ω 86±10Ω 144±15Ω Ω
Net weight 6.4 6.6 6.7 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. /
Caution: Current transformers must not be operated in an open-circuit condition and must not be connected to fuses. When using a current transformer, ensure that the load device is connected to the transformer's output terminals first.


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







Suspension Lead — Precision Current Transformer
ZH-GTA12L Series Precision Current Transformers

GTA08L Unit
Rated Input 5 A (AC)
Rated Output 5 mA (AC)
Ratio 1000:1 Ratio
Phase Difference ≤15'(RL=20Ω) Min
Linear Range 0-12 (RL=20Ω) A (AC)
0-8 (RL=50Ω) A (AC)
Linearity Degree 0.002 %
DC Resistance 41±5Ω Ω
Net weight 4.2 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. /
Caution: Current transformers must not be operated in an open-circuit condition and must not be connected to fuses. When using a current transformer, ensure that the load device is connected to the transformer's output terminals first.


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















Suspension Lead — Precision Current Transformer
ZH-GTA12L Series Precision Current Transformers

ZH-GTA12L1.0 ZH-GTA12L1.5 Unit
Rated Input 20 15 A (AC)
Rated Output 20 10 mA (AC)
Ratio, 1000:1 2000:1 Ratio
Phase Difference ≤ 15′(RL=20Ω) ≤ 5′(RL=20Ω) Min
Linear Range 0-40 (RL=40Ω) 0-90 (RL=20Ω) A (AC)
Linear Range 0-25 (RL=50Ω) 0-70 (RL=50Ω) A (AC)
Linearity Degree 0.2% 0.1% %
DC Resistance 52±8Ω 90±10Ω Ω
Net weight 10.6 11.2 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. /
Caution: Current transformers must not be operated in an open-circuit condition and must not be connected to fuses. When using a current transformer, ensure that the load device is connected to the transformer's output terminals first.


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 pin output







Suspension Lead — Precision Current Transformer
ZH-GTA06L Series Precision Current Transformers

ZH-GTA06L1.0 ZH-GTA06L2.0 Unit
Rated Input 10 20 A (AC)
Rated Output 10 10 mA (AC)
Ratio, 1000:1 2000:1 Ratio
Phase Difference ≤ 10′(RL=20Ω) ≤ 5′(RL=20Ω) Min
Linear Range 0-30 (RL=20Ω) 0-80 (RL=20Ω) A (AC)
Linear Range 0-20 (RL=50Ω) 0-60 (RL=50Ω) A (AC)
Linearity Degree 0.2% 0.1% %
DC Resistance 36±5Ω 102±15Ω Ω
Net weight 10.8 11.2 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. /
Caution: Current transformers must not be operated in an open-circuit condition and must not be connected to fuses. When using a current transformer, ensure that the load device is connected to the transformer's output terminals first.


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









Suspension Lead — Precision Current Transformer
ZH-GTA20L Series Precision Current Transformers

ZH-GTA20L1.0 ZH-GTA20L1.5 ZH-GTA20L2.0 Unit
Rated Input 20 30 40 A (AC)
Rated Output 20 20 20 mA (AC)
Ratio, 1000:1 1500:1 2000:1 Ratio
Phase Difference ≤ 5′(RL=20Ω) ≤ 5′(RL=20Ω) ≤ 5′(RL=20Ω) Min
Linear Range 0-60 (RL=20Ω) 0-60 (RL=20Ω) 0-80 (RL=20Ω) A (AC)
Linear Range 0-40 (RL=50Ω) 0-40 (RL=50Ω) 0-70 (RL=50Ω) A (AC)
Linearity Degree 0.1% 0.1% 0.1% %
DC Resistance 32±6Ω 65±10Ω 122±15Ω Ω
Net weight 17.6 11.2 17.3 g
Dimension Tolerance 0.5 mm

Primary current flows into the transformer from P1, while secondary winding current flows into the external circuit from S1. /
Caution: Current transformers must not be operated in an open-circuit condition and must not be connected to fuses. When using a current transformer, ensure that the load device is connected to the transformer's output terminals first.
ZH-GTA20L2.5 Series Precision Current Transformers

ZH-GTA20L2.5 ZH-GTA20L3.0 ZH-GTA20L4.0 Unit
Rated Input 50 60 80 A (AC)
Rated Output 20 20 20 mA (AC)
Ratio, 2500:1 3000:1 4000:1 Ratio
Phase Difference ≤ 5′(RL=20Ω) ≤ 5′(RL=20Ω) ≤ 5′(RL=20Ω) Min
Linear Range 0-90 (RL=20Ω) 0-110 (RL=20Ω) 0-130 (RL=20Ω) A (AC)
Linear Range 0-80 (RL=50Ω) 0-90 (RL=50Ω) 0-120 (RL=50Ω) A (AC)
Linearity Degree 0.1% 0.1% 0.1% %
DC Resistance 160±20Ω 187±20Ω 314±30Ω Ω
Net weight 18.8 18.8 19.2 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. /
Caution: Current transformers must not be operated in an open-circuit condition and must not be connected to fuses. When using a current transformer, ensure that the load device is connected to the transformer's output terminals first.


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









Suspension Lead — Precision Current Transformer
ZH-GTA07L Series Precision Current Transformers


GTA07L1.0 GTA07L2.0 Unit

Rated Input 20 50 A(AC)

Rated Output 20 25 mA(AC)

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

Phase Difference ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min


0-50 (RL=20Ω) 0-110 (RL=20Ω) A(AC)




Linear Range 0-32 (RL=50Ω) 0-90 (RL=50Ω) A(AC)

Linearity Degree 0.10% 0.10% %

DC Resistance 44±6Ω 112±15Ω Ω

Net weight 15.9 18 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
















Suspension Lead — Precision Current Transformer
ZH-GTA25L Series Precision Current Transformers


GTA25L2.0 Unit

Rated Input 100 A(AC)

Rated Output 50 mA(AC)

Ratio 83.3340277778 Ratio

Phase Difference ≤5 ' (RL=20Ω) Min

Linear Range 0-200 (RL=20Ω) A(AC)

0-180 (RL=50Ω) A(AC)

Linearity Degree 0.001 %

DC Resistance 68±10Ω Ω

Net weight 29.4 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 Retardancy: 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










Suspension Lead — Precision Current Transformer
ZH-GD-01Series Precision Current Transformers


GD-01A1.5 GD-01A2.0 Unit

Rated Input 15 40 A(AC)

Rated Output 10 20 mA(AC)

Ratio 1500:01:00 2000:01:00 Ratio

Phase Difference ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min

Linear Range 0-50 (RL=20Ω) 0-70 (RL=20Ω) A(AC)

0-40 (RL=50Ω) 0-50 (RL=50Ω) A(AC)

Linearity Degree 0.10% 0.10% %

DC Resistance 63±10Ω 108±15Ω Ω

Net weight 12.4 12.1 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










Suspension Lead — Precision Current Transformer
ZH-GTA20L Series Precision Current Transformers

GTA23L1.0 GTA23L2.0 GTA23L2.5 Unit
Rated Input 50 30 50 A(AC)
Rated Output 50 15 20 mA(AC)
Ratio 1000:01:00 2000:01:00 2500:01:00 Ratio
Phase Difference ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min
Linear Range 0-70 (RL=20Ω) 0-120 (RL=20Ω) 0-110 (RL=20Ω) A(AC)
0-60 (RL=50Ω) 0-90 (RL=50Ω) 0-100 (RL=50Ω) A(AC)
Linearity Degree 0.10% 0.10% 0.10% %
DC Resistance 33±6Ω 86±10Ω 111±15Ω Ω
Net weight 18.4 19.9 20.2 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










Suspension Lead — Precision Current Transformer
ZH-GTA34LSeries Precision Current Transformers

GTA23L1.0 GTA23L2.0 GTA23L2.5 Unit
Rated Input 50 30 50 A(AC)
Rated Output 50 15 20 mA(AC)
Ratio 1000:01:00 2000:01:00 2500:01:00 Ratio
Phase Difference ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min
Linear Range 0-70 (RL=20Ω) 0-120 (RL=20Ω) 0-110 (RL=20Ω) A(AC)
0-60 (RL=50Ω) 0-90 (RL=50Ω) 0-100 (RL=50Ω) A(AC)
Linearity Degree 0.10% 0.10% 0.10% %
DC Resistance 33±6Ω 86±10Ω 111±15Ω Ω
Net weight 18.4 19.9 20.2 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
















Suspension Lead — Precision Current Transformer
ZH-GTA15LSeries Precision Current Transformers


GTA15L2.0 Unit

Rated Input 100 A(AC)

Rated Output 50 mA(AC)

Ratio 83.3340277778 Ratio

Phase Difference ≤ 30 ' (RL=10Ω) Min

Linear Range 0-600 (RL=10Ω) A(AC)

Linearity Degree 0.005 %

DC Resistance 72±10Ω Ω

Net weight 63 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









Suspension Lead — Precision Current Transformer
ZH-GTA01LSeries Precision Current Transformers
Type GTA01L1.0 GTA01L1.5 GTA01L2.0 Unit
Rated Input 25 60 50 A(AC)
Rated Output 25 40 25 mA(AC)
Ratio 1000:01:00 1500:01:00 2000:01:00 Ratio
Phase Difference ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min
Linear Range 0-55 (RL=20Ω) 0-100 (RL=20Ω) 0-120 (RL=20Ω) A(AC)
0-40 (RL=50Ω) 0-80 (RL=50Ω) 0-100 (RL=50Ω) A(AC)
Linearity Degree 0.10% 0.10% 0.10% %
DC Resistance 47±6Ω 74±10Ω 98±15Ω Ω
Net weight 23.6 25.9 26.4 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-GTA01LSeries Precision Current Transformers
Type GTA01L1.0 GTA01L1.5 GTA01L2.0 Unit
Rated Input 25 60 50 A(AC)
Rated Output 25 40 25 mA(AC)
Ratio 1000:01:00 1500:01:00 2000:01:00 Ratio
Phase Difference ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min
Linear Range 0-55 (RL=20Ω) 0-100 (RL=20Ω) 0-120 (RL=20Ω) A(AC)
0-40 (RL=50Ω) 0-80 (RL=50Ω) 0-100 (RL=50Ω) A(AC)
Linearity Degree 0.10% 0.10% 0.10% %
DC Resistance 47±6Ω 74±10Ω 98±15Ω Ω
Net weight 23.6 25.9 26.4 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















Suspension Lead — Precision Current Transformer
ZH-GD-02BSeries Precision Current Transformers

GD-02B1.0 GD-02B2.0 GD-02B2.5 Unit
Rated Input 50 50 100 A(AC)
Rated Output 50 25 40 mA(AC)
Ratio 1000:01:00 2000:01:00 2500:01:00 Ratio
Phase Difference ≤ 10 ' (RL=20Ω) ≤ 10 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min
Linear Range 0-60 (RL=20Ω) 0-120 (RL=20Ω) 0-150 (RL=20Ω) A(AC)
Linearity Degree 0.10% 0.10% 0.10% %
DC Resistance 35±6Ω 117±20Ω 83±15Ω Ω
Net weight 22.5 22.3 / 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: Complies with UL94-V0
Insulation Resistance: Greater than 1000MS at 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'















Suspension Lead — Precision Current Transformer
ZH-GTA26LSeries Precision Current Transformers


GTA26L2.0 Unit
Rated Input 200 A(AC)
Rated Output 100 mA(AC)
Ratio 83.3340277778 Ratio
Phase Difference ≤ 30 ' (RL=20Ω) Min
Linear Range 0-240 (RL=20Ω) A(AC)
0-200 (RL=50Ω) A(AC)
Linearity Degree 0.005 %
DC Resistance 60±10Ω Ω
Net weight 66.1 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 1000MS at 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'















Suspension Lead — Precision Current Transformer
ZH-GTA29LSeries Precision Current Transformers


GTA29L1.0 GTA29L2.0 Unit

Rated Input 100 100 A(AC)

Rated Output 100 50 mA(AC)

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

Phase Difference ≤ 70 ' (RL=20Ω) ≤ 35 ' (RL=20Ω) Min

Linear Range 0-120 (RL=20Ω) 0-150 (RL=20Ω) A(AC)

Linearity Degree 0.50% 0.50% %

DC Resistance 25±5Ω 107±15Ω Ω

Net weight 27 26.2 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 1000 MΩ under normal conditions
Voltage Rating: 0.66/0.72 kV
Withstand Voltage: 4 kV/50 Hz/1 min
Operating Frequency: 50/60 Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy Resin
Installation Method: Primary busbar through-hole, secondary lead output
















Suspension Lead — Precision Current Transformer
ZH-GTA11LSeries Precision Current Transformers


GTA11L3.0 GTA11L4.0 Unit

Rated Input 100 100 A(AC)

Rated Output 33.3 25 mA(AC)

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

Phase Difference ≤5 ' (RL=20Ω) ≤5 ' (RL=20Ω) Min

Linear Range 0-120 (RL=20Ω) 0-150 (RL=20Ω) A(AC)

0-120 (RL=50Ω) 0-150 (RL=50Ω) A(AC)

Linearity Degree 0.10% 0.10% %

DC Resistance 255±30Ω 410±40Ω Ω

Net weight 44.7 45 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









Suspension Lead — Precision Current Transformer
ZH-GD-02ASeries Precision Current Transformers


GD-02A1.0 GD-02A2.0 Unit

Rated Input 100 100 A(AC)

Rated Output 100 50 mA(AC)

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

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

Linear Range 0-150 (RL=20Ω) 0-200 (RL=20Ω) A(AC)

0-90 (RL=50Ω) 0-200 (RL=50Ω) A(AC)

Linearity Degree 0.50% 0.50% %

DC Resistance 19±5Ω 69±10Ω Ω

Net weight 20.6 20.6 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-V0
Insulation Resistance: Greater than 1000 MΩ under normal conditions
Voltage Rating: 0.66/0.72 kV
Withstand Voltage: 4 kV/50 Hz/1 min
Operating Frequency: 50/60 Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy resin
Installation Method: Primary busbar through-hole, secondary lead output















Suspension Lead — Precision Current Transformer
ZH-CT-20Series Precision Current Transformers


CT-20A1.0 CT-20A2.0 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=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 30±5Ω 66±10Ω Ω

Net weight 57 63 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 1000 MΩ under normal conditions
Voltage Rating: 0.66/0.72 kV
Withstand Voltage: 4 kV/50 Hz/1 min
Operating Frequency: 50/60 Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy resin
Installation Method: Primary busbar through-hole, secondary lead output















Suspension Lead — Precision Current Transformer
ZH-CT-23Series Precision Current Transformers


CT-23A2.0 CT-23A2.0 Unit

Rated Input 200 250 A(AC)

Rated Output 100 125 mA(AC)

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

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

Linear Range 0-1000 (RL=10Ω) 0-1200 (RL=10Ω) A(AC)

Linearity Degree 0.50% 0.50% %

DC Resistance 72±10Ω 54±6Ω Ω

Net weight 68 78 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 1000 MΩ under normal conditions
Voltage Rating: 0.66/0.72 kV
Withstand Voltage: 4 kV/50 Hz/1 min
Operating Frequency: 50/60 Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy resin
Installation Method: Primary busbar through-hole, secondary lead output









Suspension Lead — Precision Current Transformer
ZH-GTA31LSeries Precision Current Transformers


GTA31L3.0 GTA31L4.0 Unit

Rated Input 300 400 A(AC)

Rated Output 100 100 mA(AC)

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

Phase Difference ≤ 15 ' (RL=10Ω) ≤ 15 ' (RL=10Ω) Min

Linear Range 0-1800 (RL=10Ω) 0-2400 (RL=10Ω) A(AC)

Linearity Degree 0.50% 0.50% %

DC Resistance 82±10Ω 116±15Ω Ω

Net weight 70.8 72.1 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















Suspension Lead — Precision Current Transformer
ZH-CT-32Series Precision Current Transformers

CT-32A3.0 CT-32A4.0 CT-32A5.0 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=10Ω) ≤ 30 ' (RL=10Ω) ≤ 30 ' (RL=10Ω) Min
Linear Range 0-1800 (RL=10Ω) 0-2400 (RL=10Ω) 0-3000 (RL=10Ω) A(AC)
Linearity Degree 0.50% 0.50% 0.50% %
DC Resistance 95±15Ω 120±20Ω 140±15Ω Ω
Net weight 100 108 115 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 1000MS at 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















Suspension Lead — Precision Current Transformer
ZH-CT-43Series Precision Current Transformers

CT-43A5.0 CT-43A6.0 CT-43A8.0 Unit
Rated Input 500 600 800 A(AC)
Rated Output 100 100 100 mA(AC)
Ratio 5000:01:00 6000:01:00 8000:01:00 Ratio
Phase Difference ≤ 30 ' (RL=10Ω) ≤ 30 ' (RL=10Ω) ≤ 30 ' (RL=10Ω) Min
Linear Range 0-2500 (RL=10Ω) 0-3000 (RL=10Ω) 0-4000 (RL=10Ω) A(AC)
Linearity Degree 0.50% 0.50% 0.50% %
DC Resistance 135±20Ω 167±20Ω 232±25Ω Ω
Net weight 153.4 162.3 168.2 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









Suspension Lead — Precision Current Transformer
ZH-GTA37LSeries Precision Current Transformers


GTA37L2.0 Unit
Rated Input 50 A(AC)
Rated Output 25 mA(AC)
Ratio 83.3340277778 Ratio
Phase Difference ≤ 10 ' (RL=5Ω) Min
Linear Range 0-70 (RL=5Ω) A(AC)
Linearity Degree 0.001 %
DC Resistance 80±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: Complies with UL94-V0
Insulation Resistance: Greater than 1000 MΩ under normal conditions
Voltage Rating: 0.66/0.72 kV
Withstand Voltage: 4 kV/50 Hz/1 min
Operating Frequency: 50/60 Hz
Operating Temperature: -40°C to +70°C
Sealing Material: Epoxy resin
Installation Method: Primary busbar through-hole, secondary lead output















Suspension Lead — Precision Current Transformer
ZH-GTA36LSeries Precision Current Transformers


GTA36L1.5 Unit
Rated Input 60 A(AC)
Rated Output 40 mA(AC)
Ratio 62.5006944444 Ratio
Phase Difference ≤5 ' (RL=5Ω) Min
Linear Range 0-72 (RL=5Ω) A(AC)
Linearity Degree 0.001 %
DC Resistance 60±10Ω Ω
Net weight 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: 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



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



Suspended Lead Precision Current Transformer
The suspended‑lead precision current transformer features flexible hanging leads for easy wiring and space‑efficient installation. With a high‑accuracy core and low‑error winding technology, it delivers stable and reliable current measurement over a wide range, making it suitable for laboratory instruments, energy metering, and high‑precision industrial monitoring systems.
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