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Current Type Voltage Transformer

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Product description

This product is used for collection and isolation of voltage signals of relay protection equipment, Instruments and meters below AC 1000V .This product is a current-type voltage transformer. The primary is connected with a resistor in the circuit to convert the voltage into current. After the transformer is used for current conversion ,the secondary output current signal is converted into the required voltage through the sampling resistor.

Main characteristics

Good linearity and excellent consistency

Small size ,PCB installation ,suitable for integrated design ;

Low price ,conductive to cost control

A variety of form factors are available

Application

For voltage ,power and energy monitoring required by power auyomation devices;

Electrical performance parameters	parameters	-25℃～+55℃/-40℃~～+85℃optional	Relative humidity	≤90%hPa
	Internal insulation	Epoxy resin	Insulation resistance	＞500 M Ohms/500Vdc
	Medium strength	3000Vac/min	Withstand impulse voltage	5000V（1.2/50μsStandard Lightning Wave）
	Operation frequency	45～10KHz	Accuracy class	According to （IEC 61869-2）class 0.1，0.2and （JBT/10667-2016）0.1，0.2 class
	Environmental friendly	According to the requirement of RoHS;

Model interpretation

Typical value of products

Physical Pic	Type	Rated input current (AC)	Rated output current (AC)	Nonlinearity		Linear range multiples	Load resistance（Ω）	Dimensions（mm）
Physical Pic	Type	Rated input current (AC)	Rated output current (AC)	phase error （'）	ratio error（±%）	Linear range multiples	Load resistance（Ω）	Dimensions（mm）
	TR3121CH	1mA,2mA	1mA,2mA	10	0.1	5	200	L-W-H 20-17-19
	TR3121CJ	1mA,2mA	1mA,2mA	10	0.1	5	500	L-W-H 20-17-19
	TR31243C	1mA,2mA	1mA,2mA	10	0.1	5	200	L-W-H 30-19-18
	TR31227CH	1mA,2mA	1mA,2mA	10	0.1	5	200	L-W-H 19.5-18-17
	TR3193-2C	1mA,2mA	1mA,2mA	10	0.1	5	200	L-W-H 20-17-14
	TR31140C	1mA,2mA	1mA,2mA	10	0.1	5	200	L-W-H 19-10-18