Three-Phase Current Transformer Used for Motor Protection

Product Specifications

Prod Model:	GWTA
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
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
Application:	Audio
Phase:	Three
Coil:	Amorphous Alloy Transformer
Cooling Method:	Dry-type Transformer
Winding Type:	Multi-winding Transformer
Usage:	Electrical Energy Manage, Building Control System
Frequency Characteristics:	50 to 400 Hz
Shape Of Coil:	Epoxy Encapsulated
Brand:	Grewin

Product Description

Three-Phase Current Transformer Used for Motor Protection
 

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

Three Phase Instrument Current Transformer(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
Operating Voltage	600Vac ,BIL 10KV Full Wave
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

 

Three Phase Instrument Current Transformer(features)

Low cost

More than 10 standard size

Chassis mounting pattern

Three Phase Instrument Current Transformer(applications)

Applications for current monitor of AC motor, illumination device, air compressor and HVAC etc.

Electrical energy manage, building control system. Current measurement, monitoring and protection for circuitry and equipment.

Typical Products

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)
GWTA7161	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
GWTA7261	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
GWTA7361	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
GWTA7561	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)
GWTA75B61	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)
GWTA7661	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)
GWTA7861	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)
GWTA7961	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)
GWTA79A61	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)
GWTA79B61	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

 
 


 Shipping:

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.
 
Payment:

1. We accept Western Union and T/T
2. 30% deposit and 70% before shipping
3. No payment collection. We only can deliver goods after  
geting full payment.
 
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

Our factory 


Tianjin grewin technology co., ltd .  is a high-tech company which integrates production, design, R&D, and sale.We-CHIPSEN-specialize in developing
many kinds of electronic components. Include electronic transformers,
We are ISO 9001 and ISO 14001 certified and our products come with UL, SGS
marks.
Grewin  current transformer has been specially designed to facilitate their installation in new or already existing net works.They may be installed without opening any cable or bus-bar circuit. An internal precision resistor across the secondary winding of the CT provides a low safe voltage output. It can save time and the installation costs.

WHY CHOOSE US?

     Quality and honest first!
A.     Flexible service for diffierent transformers with high efficiency perfor      mance.
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


Contact info

Tianjin Grewin Technology Co., Ltd
Contact:Maggie                                               
 M: 86-13702027805
T:86-22-84943756
F:86-22-85909471
Website: http://www.grewin-tech.com/