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Home > Miniature PCB Mounting Current Transformer > 20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
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20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT
20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT

20A Input 0.2 Accuracy Small Size Miniature Current Transformer CT

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Product Description

Basic Information

Model NO.
GVTA
Usage
Voltage, Power and Energy Monitoring
Certification
CE RoHS
Frequency
50-400Hz
Shape of Core
Laminated
Core Material
PBT Resin UL Flame
Retardant Rating
94-V0
Exterior Material
PBT Resin UL Flame
Interior Insulation
Epoxy Encapsulated
Isolation Current
2500 Vrms for 1 Minute
Dielectric Resistance
1000 M Ohms 500 VDC
Surge Withstand
5000V
Operating Temp
-25 to 55c (Optional -40 to +85c)
Accuracy Class
0.2 / 0.1
Origin
China
Capacity
50,000 PCS / Week

Product Description

Product Showcase

Current Transformer 1
Current Transformer 2
Current Transformer 3

Key Features

  • Low cost solution for precise measurement
  • More than 50 standard sizes available
  • Non-symmetrical mounting pattern
  • Toroidal Silicon steel and Nickel Alloy options available

Applications

  • Applications requiring exceptional accuracy with minimal phase angle error
  • Voltage, power and energy monitoring devices

Technical Specifications

Exterior MaterialPBT Resin UL flame retardant rating 94-V0
Interior InsulationEpoxy Encapsulated
Isolation Voltage2500 Vrms for 1 minute
Dielectric Resistance1000 M Ohms @ 500 Vdc
Surge Withstand5000V (1.2/50μs standard shock wave) optional
Rated Load Resistance100K Ohms
Accuracy ClassDefined in IEC 60044-1 Part 1 (Class 0.1, 0.2)
CertificationRoHS Compliant & CE Approved

Performance Charts

Typical Impedance Dependence

Outline Drawings & Dimensions

Outline Drawing 1
Outline Drawing 2
Outline Dimensions

Performance Parameters

Part Number Rated Input (A) Turn Ratio Freq (Hz) Burden (Ω) Accuracy Dimensions (ID-L-W-H)
GWTA11115~301000:1~2500:150-400≤2000.1/0.27.0-22.0-18.0-23.0
GWTA13115~801000:1~2500:150-400≤8000.1/0.28.0-25.3-18.0-30.0
GWTA21A115~501000:1~3000:150-400≤2000.1/0.26.9-25.0-11.6-26.5
GWTA21CA115~151000:1~2000:150-400≤3000.2/0.54.5-19.0-12.5-19.0
GWTA22D115~1001000:1~3000:150-400≤10000.1/0.29.0-29.5-19.0-30.0

Quality Control & Production

Certifications

Passed ISO9001:2015, CE, SGS approval and IEC reporting standards.

Certification 1
Certification 2

Manufacturing Excellence

With 20 years of focus on transformers, we prioritize "Quality and Honesty First". Specializing in wound components like current sensors and chokes for communications, industrial control, and medical equipment.

Factory Profile

Production Line

Production Line

Trading Terms

Shipment
UPS, DHL, EMS, FedEx, TNT (Door to Door). Delivery approx 20 days for <1000PCS.
Payment
T/T 100% or 50% deposit in advance. L/C at sight supported for confirmed orders.
Warranty
1-year warranty. Defective items must be reported within 3 days of delivery.

Frequently Asked Questions

Q: What is the primary use of the GVTA series?
A: It is specifically designed for high-accuracy voltage, power, and energy monitoring devices.
Q: What insulation standards do these transformers meet?
A: They feature PBT Resin with a UL flame retardant rating of 94-V0 and interior epoxy encapsulation.
Q: What is the accuracy class of these current transformers?
A: These products achieve high precision with Accuracy Classes of 0.1 and 0.2 as defined in IEC 60044-1.
Q: Can these operate in extreme temperatures?
A: Standard operating temperature is -25 to +55°C, with an optional extended range of -40 to +85°C.
Q: Are custom specifications available?
A: Yes, we offer custom-made transformers and welcome both OEM and ODM projects to meet specific technical requirements.
Q: What safety certifications do the products hold?
A: All products are CE approved and RoHS compliant, ensuring they meet international safety and environmental standards.

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