20A Input 2000: 1 Turn Ratio Miniature Current Transformer with PCB Mounting

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20A Input 2000: 1 Turn Ratio Miniature Current Transformer with PCB Mounting

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Product Description

Basic Information

Model NO.

GWTA

Phase

Single or Three

Usage

Measurement

Winding Form

Multilayer Honeycomb Type

Insulating Medium

Insulating Paper

Installation

Active Type

Exterior Material

PBT Resin UL Flame Retardant Ra

Dielectric Strength

1000mohms @ 500 VDC

Rated Frequency

50-400kHz

Operating Temp

-25 C~+55 C

Isolation Voltage

2500 Vrms for 1 Minute

Accuracy Class

0.1 0.2

Certification

RoHS Compliant Ce Approved

Production Capacity

50000 PCS /Week

Product Description

Features

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

Applications

High accuracy requirements with minimal phase angle error
Voltage, power and energy monitoring devices
Industrial control and instrument measurement

Specifications

Parameter	Details
Exterior Material	PBT Resin UL flame retardant rating 94-V0
Interior Insulation	Epoxy Encapsulated
Isolation Voltage	2500 Vrms for 1 minute
Dielectric Resistance	1000 M Ohms @ 500 Vdc
Surge Withstand	5000V (1.2/50μs standard shock wave)
Rated Load Resistance	100K Ohms
Operating Temperature	-25 to +55ºC (Option for -40 to +85ºC)
Frequency Range	50 to 400 Hz
Accuracy Class	IEC 60044-1 Part 1 Voltage Transformers Class 0.1 0.2

Performance & Drawings

Part Number	Input Current (A)	Turn Ratio	Frequency (Hz)	Accuracy	Dimensions (mm)
GWTA1111	5~30	1000:1 / 2000:1	50-400	0.1/0.2	7.0-22.0-18.0-23.0
GWTA1311	5~80	1000:1 / 2500:1	50-400	0.1/0.5	8.0-25.3-18.0-30.0
GWTA21A11	5~50	1000:1 - 3000:1	50-400	0.2/0.5	6.9-25.0-11.6-26.5
GWTA22B11	5~80	1000:1 - 3000:1	50-400	0.1/0.2	8.7-26-17.5-27.5

Production & Quality

Specializing in transformers for 20 years, compliant with ISO9001:2015, CE, and IEC standards. We focus on quality and honesty, providing a wide range of miniature voltage and current transformers for communication, electronics, and industrial control.

Service Terms

Shipment: UPS, DHL, FedEx, TNT. Delivery around 20 days for standard orders under 1000PCS.

Payment: T/T 100% or 50% deposit in advance. Irrevocable L/C at sight accepted.

Warranty: 1-year warranty provided. Lifetime quality support for up to 10 years.

Frequently Asked Questions

1. What is the accuracy class of these current transformers?

The GWTA series supports high-precision accuracy classes of 0.1, 0.2, and 0.5 as defined in IEC 60044-1.

2. Can these transformers be used in extreme temperatures?

Standard operating temperature is -25°C to +55°C, but we offer an optional range of -40°C to +85°C for specialized environments.

3. What materials are used for insulation?

The exterior is made of PBT Resin (UL flame retardant 94-V0) and the interior is fully encapsulated with Epoxy for superior insulation.

4. Do you offer custom-made transformers?

Yes, we provide both OEM and ODM services. We can customize specifications, dimensions, and turn ratios based on your specific requirements.

5. What is the typical lead time for an order?

For quantities under 1000PCS of standard products, the delivery time is approximately 20 days after receiving payment.

6. Are your products internationally certified?

Yes, our products are RoHS compliant, CE approved, and manufactured under ISO9001:2015 quality management systems.

Product Detail

20A Input 2000: 1 Turn Ratio Miniature Current Transformer with PCB Mounting