0.1 Accuracy 1000: 1 Ratio Miniature Current Transformer Small Size Indoor Use CT

• Customization: Available
• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Model NO.: GWTA Series
• Core: Amorphous Alloy Transformer
• Cooling Method: Dry-Type Transformer
• Winding Type: Multi-Winding Transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC
• Frequency Characteristics: 50 to 400 Hz
• Brand: Grewin
• Shape of Core: PBT Resin UL Flame
• Exterior Material: PBT Resin UL Flame
• Retardant Rating: 94-V0
• Interior Insulation: Epoxy Encapsulated
• Isolation Current: 2500 Vrms for 1 Minute
• Dielectric Resistance: 1000 M Ohms @ 500 VDC
• Surge Withstand: 5000V
• Operating Temperature: -25 to +55c, -40 to +85c Optional
• Frequency: 50 to 400 Hz
• Accuracy Class: as Defined in IEC 60044-1 Part 1 Curren
• Transport Package: Export Standard Cartons with Strong Pallets
• Specification: CE
• Trademark: grewin
• Origin: China
• HS Code: 850450000
• Production Capacity: 50000 PCS /Week

Product Description

Product Description

Product introduction(0.1 Accuracy 1000: 1 ratio Miniature Current Transformer Small Size Indoor Use CT):
   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

1.Product pictures

 

2.Features(Single Turn Primary Mini Current Transformer): 

Low cost

More than 50 standard sizes

Non-symmetrical mounting pattern

Toroidal Silicon steel and Nickel Alloy available

3.Application(ingle Turn Primary Mini Current Transformer):

For applications that require exceptional accuracy with minimal phase angle error

Applications would include Voltage,power and energy monitoring devices

4.Specification(Single Turn Primary Mini Current Transformer):

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.Details of the data

Technical parameter:

No.	Item	Performance
1	Rated input current	5A
2	Allowable overload multiplier	2 times
3	Variable ratio	N1:N2=1:1000
4	Ratio difference	≤±0.5%(Test point current is 5A)
5	Phase difference	≤30´(Test point current is 5A)
6	Accuracy class	0.5
7	Linear range	0~10A
8	Linearity	≤0.2% (5%~200%)
9	Load resistance	20Ω
10	Isolation pressure resistance	3000V
11	Applicable frequency range	50/60Hz
12	Working temperature	-25~75ºC
13	Storage temperature	-40~90ºC
14	Relative humidity	≤95%

 Typical Products

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

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".Grewin is specialized in the design and manufacture of wound components such as transformer,current sensors, chokes etc .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:

Within 10 working days after received related prepayment or L/C.

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


6.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

7.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

8.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

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