20A Input Mini Single Phase Current Transformer Use on Printed Circuit

• Application: Electronic, Instrument, Position Sensor, Audio, Lighting
• Type: Voltage Transformer
• Phase: Single
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: GWTA
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Common Insulating Materials
• Installation: Strut Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Type1: Current Transformer
• Transport Package: Export Standard Carton Pallet
• Specification: CE, ISO9001, ROHS
• Trademark: grewin
• Origin: Cn
• HS Code: 85044019
• Production Capacity: 10000PCS

Product Description

Product Description

  1.Product pictures

 

2.Features:

Low cost

More than 50 standard sizes

Non-symmetrical mounting pattern

Toroidal Silicon steel and Nickel Alloy available

3.Applications

For applications that require exceptional accuracy with minimal phase angle error

Applications would include Voltage,power and energy monitoring devices

 
4.Specifications

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)optional
Rated Load Resistance	100K Ohms
Operating Temperature	-25 to +55ºC,-40 to +85ºCoptional
Frequency	50 to 400 Hz
Accuracy Class	defined in IEC 60044-1 Part 1 Voltage Transformers Class 0.1 0.2
Certification	RoHS Compliant CE Approved

5.Typical Impedance Dependence of Phase and Amplitude Errors (Test temperature 25º C) 



6.outline drawings


7.Performances

Part  Number	Rated Input Current (A)	Turn Ratio	Frequency ( Hz )	Secondary  Burden  Resistance (Ohms)	Accuracy Class	Outline Dimensions (mm)
GWTA1111	5~30	1000:1 2000:1 2500:1	50 to 400	≤200	0.1 0.2 0.5	ID-L-W-H 7.0-22.0-18.0-23.0
GWTA1311	5~80			≤800	0.1 0.2 0.5	ID-L-W-H 8.0-25.3-18.0-30.0
GWTA1411	5~80			≤800	0.1 0.2 0.5	ID-L-W-H 9.0-31.5-20.5-33.5
GWTA21A11	5~50	1000:1 2000:1 2500:1 3000:1	50 to 400	≤200	0.1 0.2 0.5	ID-L-W-H 6.9-25.0-11.6-26.5
GWTA21B11	5~50			≤200	0.1 0.2 0.5	ID-L-W-H 6.7-23.5-11.5-25.0
GWTA21CB11	5~15	1000:1 2000:1	50 to 400	≤50	0.2 0.5	ID-L-W-H 3.6-18.0-10.0-19.0
GWTA21CE11				≤50		ID-L-W-H 5.0-17.0-9.2-16.7
GWTA21CD11				≤50		ID-L-W-H 5.0-18.0-10.0-19.0
GWTA21C11		1000:1 2000:1 2500:1		≤50		ID-L-W-H 4.5-18.0-10.0-20.0
GWTA21CA11				≤300		ID-L-W-H 4.5-19.0-12.5-19.0
GWTA21E11	5~20			≤200	0.1 0.2 0.5	ID-L-W-H 5-21-13.5-21.5
GWTA21F11	5~30	1000:1 2000:1 2500:1 3000:1		≤200	0.2 0.5	ID-L-W-H 6.7-23.9-12-25
GWTA22B11	5~80	1000:1 1500:1 2000:1 2500:1 3000:1	50 to 400	≤800	0.1 0.2 0.5	ID-L-W-H 8.7-26-17.5-27.5
GWTA22D11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 9.0-29.5-19.0-30
GWTA22E11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 12.8-36.7-14.2-38.5
GWTA2311	5~20	1000:1 2000:1 2500:1	50 to 400	≤200	0.1 0.2	ID-L-W-H 5.0-18.8-17.8-19.5
GWTA23B11	5~80	1000:1 2000:1 2500:1 3000:1 5000:1		≤100	0.1 0.2 0.5	ID-L-W-H 6.0-25.0-21.5-26.0
GWTA23A11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 6.0-34.0-22.0-36.0
GWTA32B11	5~20	1000:1 2000:1 2500:1	50 to 400	≤100	0.1 0.2	ID-L-W-H 5-17.6-19.3-17.6
GWTA3311	5~80	1000:1 1500:1 2000:1 2500:1 3000:1		≤500	0.1 0.2 0.5	ID-L-W-H 6.0-28.0-28.0-22.0
GWTA34B11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 5.5-34.0-34.0-23.0

8.outline dimensions



Company introduction

1.certification

We have passed ISO9001:2015,CE,SGS approval and IEC report



2.Company profile
     Tianjin Grewin is concentrating on transformers for 20 Years and complianted by ISO9001:2015,CB,IEC CB,CE etc.We're always pay great attention to its business philosophy "Quality and Honesty First".Our main product are miniature voltage transformer ,miniature current transformer ,instrument current transformer , clamp on ccurrent transformer ,split core current transformer ,three phase current transformer ,zero-flux current transformer .windely used in communications,electronics,meters,industrial control,medical equipments and other fields.We are also a provider of power meters and instruments locators. 85% of its products exported to America, Europe, and Asia etc.We sincerely invite you to join us to create a bright future.

3.Terms of Shipment:
(1)Products are shipped via UPS / DHL / EMS / HK EMS /     FedEx / TNT and so on expresses (door to door).
(2)We Provide Drop shipping Service.
(3)20 days around delivery upon receiving payment if the qty    is lower than 1000PCS and it is not customized products.
(4)In order to ensure you receive your order tax free upon  
import, we declare lower value.
(5)Shipping via EMS. UPS. FedEx and TNT express usually     takes 3~7days dependent on the destination country.

4.Payment terms:
(1)T/T 100% or 50% deposit by T/T in advance, balance amount to be paid 7 days before
delivery.
(2) By irrevocable L/C at sight, to be issued immediately against confirmed order.
(3)Payment by T/T, if order amount is less than USD 20,000.

5.Warranty:
(1)We provide 1 year warranty.
(2)If the product is defective, please notify us within 3 days of delivery.
(3)All products must be returned on their original condition, in order to qualify for a refund or exchange of goods

6.Production
The following picture showed you about all finished transformer production line and package with export standard carton and strong pallets:


7.Flow chart of trading activities:

NO	Step	Days need
1	Request for quotation	1 day
2	Making quotations	1 day
3	Offer and counter offer	3 days
4	Sending and receiving samples	3-10 days
5	Sample confirmation	3 days
6	Placing a firm order	1 day
7	Paying and receiving the down payment	1-4 day
8	Factory production & Quality inspection	15-20 days
9	Paying and receiving the balance	4 days
10	Delivery of goods	1 days

8.Why choose us?

Quality and honest first!
A. Flexible service for diffierent transformers with high efficiency performance.
B. Over 40 years experience of transformer designing and producing.
C.100% test of every single product we produce from incoming material checking.
D. UL, CE, ISO9001:2008
E. We offer custom-made transformers, OEM and ODM are welcome
F. We deliver the quality you expect at consistently competitive prices
G.Transformer quality lifetime:10 Years.
H.Specialty Sales service:5 -10 Years

9.contact
Tianjin Grewin Technology Co.,Ltd.
Tel: [phone]
 
 
Address: 2# MeiNian Plaza No.16 DongTing Road,Hexi Distr,300222,Tianjin China.