Minature Current Transformer

Prod Model:	mA current transformer
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Transformer Name:	Current Transformer
Interior Insulation:	Epoxy Encapsulated
Frequency:	50 to 400 Hz
Application:	Lighting
Type:	Current Transformer
Phase:	Single
Winding Form:	Toroidal Style
Installation:	PCB or Wire Installation

Product Description

Low cost
More than 50 standard sizes
Non-symmetrical mounting pattern
Toroidal Silicon steel and Nickel Alloy cores
Available
Applications:
For applications that require exceptional
Accuracy with minimal phase angle error
Applications would include Current, Power
And Energy monitoring devices.
Specifications:
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 at 500 Vdc
Surge Withstand: 5000V(1.2/50μ S standard
Shock wave)optional
Operating Temperature: -25 to +55 degree, -40 to
+85 degree optional
Frequency: 50 to 400 Hz
Feature
1), All enclosed design, good performance of mechanical and insulation.
2), Pin design, easy to installate in PCB.
3), This series of CTs have small size that can be used as separate.
4), Linear output with high accuracy current.
5), Smalll size, light weight, standard hole easy to installation, Normal specifications and parameters as follow.

Grewin's Minature Current Transformer Typical Products

Photograph	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
	GWTCA11				≤300		ID-L-W-H 4.5-19.0-12.5- 19.0
	GW1E11	5~20			≤200	0.1 0.2 0.5	ID-L-W-H 5-21-13.5-21.5
	GWTA1F11	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
	GWTA2B11	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
	GWTA2D11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 9.0-29.5-19.0-30
	GWTA2E11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 12.8-36.7-14.2- 38.5
	GWTA311	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
	GWTA3B11	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
	GWTA3A11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 6.0-34.0-22.0- 36.0
	GWTA2B11	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
	GWTA311	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
	GWTA4B11	5~100			≤1000	0.1 0.2 0.5	ID-L-W-H 5.5-34.0-34.0- 23.0