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2mA/2mA Voltage Transformer with UL Certificate for UPS

ZMPT101K miniature voltage transformer is designed for applications where AC voltage signals must be transformed accurately into a lower voltage signal appropriate for micro-processor based circuits. ZMPT101K current-type voltage transformer is a kind of mA current transformer, which turn ratio between primary and secondary is similar to 1:1. a limiting resistor is nessary to be in it with primary winding.ZMPT101K is popular to a limited internal space of devices.
The model can be designed and manufactured to meet the specific design challenges of the client’s specific application.ZMPT101K is only a small sampling of the many different products which have been and are currently being manufactured.

Model:
ZMPT101K
Brand:
ZEMING
Code:
8504311000
PDF:
ZMPT101K specification.pdf

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Structural parameters

ZMPT101K

Current-type Voltage Transformer

Small size, high accuracy, good consistency, for voltage and power measurement

The main technical parameters

Model	ZMPT101K
Rated input current	2mA
Rated output current	2mA
turns ratio	1000:1000
phase angle error	≤20＇（input 2mA，sampling resistor 50Ω）
linear range	0~1000V 0~10mA（sampling resistor 50Ω）
linearity	≤0.2% (20%dot~120%dot)
Permissible error	-0.2%≤ f ≤+0.2%（input 2mA，sampling resistor 50Ω）
isolation voltage	4000V
application	voltage and power measurement
Encapsulation	Epoxy
installation	PCB mounting（Pin Length>3mm）
Operating temperature	-40℃~+85℃

Direction for use

1. The typical usage of the product is for the active output (FigureⅠ). R＇is a limiting resistor，R is a sampling resistor.

2. The product can be directly through the resistance sampling , easy to use ( FigureⅡ).

Test data

Typical test data-ZMPT101K
Typical test data-ZMPT101K
Inspection item		Inspection Device		Inspection Requirements
Appearance Inspection		VIsual		No crack, no scratch, no stain
Pin Length(mm)		Vernier Caliper		3.5±0.5
Same Polarity		HESE Transformer calibrator		Pin 1 and Pin 3
Insulation Resistance		MN4231B Hi-pot Tester		1GΩ@500Vdc
Dielectric Strength		MN4231B Hi-pot Tester		4000V, 1min, 1mA
Output Ratio Error		HESE Transformer calibrator		≤0.2%(RL=50Ω)
Phase Error		HESE Transformer calibrator		≤20'(RL=50Ω)
Test Point		% of input 2mA, 50Ω
Test Point		5	20	50	80	100	120
1#	Ratio error(%)	-0.085	-0.110	-0.110	-0.125	-0.128	-0.128
1#	Phase error(')	26.00	21.00	17.00	14.00	13.00	11.30
2#	Ratio error(%)	-0.080	-0.106	-0.111	-0.110	-0.114	-0.115
2#	Phase error(')	22.00	19.70	15.80	13.00	11.80	10.90
3#	Ratio error(%)	-0.069	-0.100	-0.108	-0.112	-0.119	-0.120
3#	Phase error(')	24.00	21.00	17.00	15.00	13.00	12.40
4#	Ratio error(%)	-0.047	-0.075	-0.076	-0.083	-0.090	-0.092
4#	Phase error(')	19.00	17.32	15.00	13.00	12.20	11.30
5#	Ratio error(%)	-0.080	-0.110	-0.114	-0.119	-0.125	-0.124
5#	Phase error(')	25.00	21.00	17.00	14.00	13.00	11.80

Material List

ZMPT101K Material list
NO.	Material	Spec, model	UL code	SGS
1	Nanocrystalline core	Ø9.5×15×10	——	yes
2	Core box	PBT	E332375	yes
3	Tape	8mm Flame retardant,Environmental protection	E165111	yes

4	Enameled wire(Winding wire)	2UEW、Ø0.07	E258243	yes

5	Outer covering	Environmental protection	E238981	yes
6	Fills and seals material	TXH-9201-10 epoxy resin insulating compound	E196959	yes