What is the warranty period for this current transformer?

We provide a 1-year warranty. If defective, notify within 3 days of delivery for refund or exchange.

What are the available mounting methods?

The transformers support chassis mounting via bolting or installation on a 35mm standard guideway.

Can I get custom transformers or OEM services?

Yes, we offer custom-made transformers, and both OEM and ODM services are welcome.

What are the payment terms?

Options include T/T (100% or 50% deposit), irrevocable L/C at sight, or T/T for orders under USD 20,000.

What is the typical delivery time?

Approximately 20 days upon receiving payment for non-customized orders under 1000 PCS.

What certifications does the product have?

The product is CE, UL, ISO9001, and CCC certified, and is RoHS compliant.

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CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer

Tianjin Grewin Technology Co., Ltd.

16 yrs

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Product Highlights

High Precision Accuracy: IEC 60044-1 Class 0.1 and 0.2 accuracy for reliable current measurement.
Wide Current Range: Supports input currents from 2A to 400A with multiple ratio options.
Flexible Mounting: Chassis mounting with bolting or 35mm standard guideway installation.
Robust Safety Rating: 2500 Vrms isolation voltage and 5000V surge withstand capability.
Certified Quality: CE, UL, ISO9001, and CCC certified with RoHS compliance.
Durable Construction: Epoxy encapsulated housing with PBT/ABS resin and amorphous alloy core.
Broad Frequency Response: Operates effectively within 50 to 400 Hz frequency range.
Customization Support: OEM and ODM services available for core, cooling, and winding types.

Product Attributes

Customization: Available
Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
Phase: Three
Model NO.: GWTTA
Usage: Electrical Energy Manage, Building Control System
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: Epoxy Encapsulated
Exterior Material: PBT or ABS Resin UL Flame Retardant Rati
Interior Insulation: Epoxy Encapsulated
Isolation Voltage: 2500 Vrms for 1 Minute
Dielectric Resistance: 1000m Ohms @ 500 VDC
Surge Withstand: 5000V
Rated Load Resistance: 100K Ohms
Accuracy Class: as Defined in IEC 60044-1
Operating Temperature: -25 to +55c, -40 to +85c Optional
Cetificate: CE-Approved
Transport Package: Export Standard Cartons with Strong Pallets
Specification: CE
Trademark: grewin
Origin: China
HS Code: 850450000
Production Capacity: 50000 PCS /Week

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After-Sales & Dispute Handling: Platform-assisted dispute resolution, including refunds or returns when applicable.

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CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer pictures & photos — CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer

CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer

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CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer

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Product Description

1.Product pictures

2.Features:
Low cost
More than 10 standard size
Chassis mounting pattern

3.Applications
Current monitor of AC motor
Illumination device, air compressor and HVAC
Temperature control, electrical energy managing, building control system
Current measurement, monitoring, protection for circuitry and equipment
4.Specifications
Case Material: PBT Resin UL flame retardant rating 94-V0
Construction: Epoxy Encapsulated housing
Isolation Voltage: 2500 Vrms for 1 minute
Insulation Resistance: 1000 M Ohms @ 500 Vdc
Surge Withstand: 5000V(1.2/50μs standard shock wave)
Operating Temperature: -25 to +55ºC,-40 to +85ºC Optional
Frequency: 50 to 400 Hz
RoHS compliant
CE compliant
Accuracy Class: Class 0.1, 0.2
Compliant IEC 60044-1

5.outline drawings
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer

6.Performances

Part Number	Specification (Rated Input/ Output)	Rated Ratio	Accuracy Class	Max. overload current		Outline Dimensions ID-L-W-H (mm)	Mounting means
				Over - load Multiple	Allow Persist Time(S)
GWTTA7161	2A/0.1-0.353V (optional)	1:2000 1:3000	0.2	10	2	10 100-28-39	bolting
	5A/0.1-0.353V (optional)
	6.3A/0.1-0.353V (optional)
	10A/0.1-0.353V (optional)
	25A/0.1-0.353V (optional)
	50A/0.1-0.353V (optional)		0.5
GWTTA7261	25A/0.1-0.353V (optional)	1:2000 1:3000	0.2	10	2	20 115-42-45	bolting
	50A/0.1-0.353V ( optional)		0.5
	100A/0.1-0.353V (optional)			8	2
GWTTA7361	25A/0.1-0.353V ( optional)	1:2000 1:3000	0.5	10	2	20 120-50-57	bolting
	50A/0.1-0.353V ( optional)
	100A/0.1-0.353V ( optional)
	150A/0.1-0.353V ( optional)			8	2
GWTTA7561	2A/0.1-0.353V ( optional)	1:2000 1:3000 1:4000	0.2	10	2	15 228-45-64.5	35mm standard guideway or bolting
	5A/0.1-0.353V ( optional)
	6.3A/0.1-0.353V (optional)
	10A/0.1-0.353V (optional)
	25A/0.1-0.353V (optional)		0.5
	50A/0.1-0.353V (optional)		0.2
	100A/0.1-0.353V (optional)
	150A/0.1-0.353V (optional)
GWTTA75B61	25A/0.1-0.353V (optional)	1:2000 1:3000 1:4000	0.5	10	2	20 59.0-52-126	35mm standard guideway or bolting
	50A/0.1-0.353V (optional)		0.2
	100A/0.1-0.353V (optional)
	150A/0.10.353V (optional)
	200A/0.1-0.353V (optional)
GWTTA7661	2A/0.1-0.353V (optional)	1:2000 1:3000 1:4000	0.2	10	2	20 94-53-92	35mm standard guideway or bolting
	6.3A/0.1-0.353V (optional)
	10A/0.1-0.353V (optional)
	25A/0.1-0.353V (optional)		0.5
	50A/0.1-0.353V (optional)		0.2
	100A/0.1-0.353V (optional)
	150A/0.1-0.353V (optional)
	200A/0.1-0.353V (optional)
GWTTA7861	100A/0.1-0.353V (optional)	1:2000 1:3000 1:4000	0.2	10	2	40 212-47-89.3	bolting
	200A/0.1-0.353V (optional)
	250A/0.1-0.353V (optional)
	300A/0.1-0.353V (optional)
	400A/0.1-0.353V (optional)
GWTTA7961	100A/0.1-0.353V (optional)	1:2000 1:3000 1:4000	0.2	10	2	40 184-63-78	bolting
	200A/0.1-0.353V (optional)
	250A/0.1-0.353V (optional)
	300A/0.1-0.353V (optional)
	400A/0.1-0.353V (optional)
GWTTA79A61	25A/0.1-0.353V (optional)	1:2000 1:3000 1:4000	0.5	10	2	25.0 143-58-65	bolting
	50A/0.1-0.353V (optional)		0.2
	100A/0.1-0.353V (optional)
	200A/0.10.353V (optional)
	250A/0.1-0.353V (optional)
GWTTA79B61	100A/0.1-0.353V (optional)	1:2000 1:3000 1:4000	0.2	10	2	30 196-74-38	bolting
	200A/0.1-0.353V (optional)
	250A/0.1-0.353V (optional)
	300A/0.1-0.353V (optional)
	400A/0.1-0.353V (optional)			8

7.outline dimensions
CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer

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.

CT with Ratio 1: 2000 1: 3000 1: 4000 Electromagnetic Current Transformer
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.

Address: 2# MeiNian Plaza No.16 DongTing Road,Hexi Distr,300222,Tianjin China.

About the Supplier

This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR246099". Items marked "" are certified.

Company Profile

Tianjin Grewin Group is concentrating on transformers for 25 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 tape and winding machines. 85% of its products exported to America, Europe, and Asia etc. We sincerely invite you to join us to create a bright future.

Tianjin Grewin Technology Co. Ltd. In Tianjin City which is very close to XinGang Port and BinHai International Airport, which provide timely and convenient access to transportations for customers. It's a professional leading and a main exporter of a wide variety of electronics components in north of China.

All of our products stand for top quality in this industry and are enjoying very high honor. We have abtained ISO9001, CE, SGS approval and IEC test report.

Our core business are including following:

1. Toroidal Transformers

2. Current Transformers

3. EI laminated Transformers

4. Ferrite Core Transformers

5. Coil WIinding Machines

6. Taping Machines

7. Cable Fault Locators

8. Pipe locator

All staff in our company would like to appreciate for your attention to our products. Welcome to give us your valuable suggestions about products and services. You can be our sole agent in your country and benefit from more preferable prices. OEM orders are welcome.

About Our Factory & Business Background

Address: 2# MeiNian Plaza No.16 DongTing Road,Hexi Distr,300222,Tianjin China
Terms of Payment: LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
International Commercial Terms(Incoterms): EXW, CFR, CIF, FAS, DDP, DAP, CIP, CPT, Others, FCA
Average Lead Time: Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays
Nearest Port: TIANJIN XINGANG SEA PORT, SHANGHAI SEA PORT, QINGHUANGDAO SEA PORT

Our Production Capability & Technical Expertise

Main Products: Transformer, Current Transformer, Toroidal Transformer, Ferrite Transformer, Clamp on Transformers, Winding Machine, Pipe Locator, Magnetic Electronic Transformer, Cable Fault Locator, Electrical Transformer

Our Industry Experience & Global Business Record

Export Year: 2006-08-09
Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

FAQ

What is the warranty period for this current transformer?: We provide a 1-year warranty. If defective, notify within 3 days of delivery for refund or exchange.
What are the available mounting methods?: The transformers support chassis mounting via bolting or installation on a 35mm standard guideway.
Can I get custom transformers or OEM services?: Yes, we offer custom-made transformers, and both OEM and ODM services are welcome.
What are the payment terms?: Options include T/T (100% or 50% deposit), irrevocable L/C at sight, or T/T for orders under USD 20,000.
What is the typical delivery time?: Approximately 20 days upon receiving payment for non-customized orders under 1000 PCS.
What certifications does the product have?: The product is CE, UL, ISO9001, and CCC certified, and is RoHS compliant.

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Tianjin Grewin Technology Co., Ltd.

5.0 (3)

16 yrs

Diamond Member Since 2011
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