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HEYI Electrical CO.,LTD

Contact person: Bethy

Position: Sales Manager

Tel: 86-577-62659558

Fax: 86-577-61712987

Mobile: 86-13968747975

E-mail: heyi@heyiele.com

bethy@heyiele.com

Skype: bethycai

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 DX Series Current transformer


The DM series current transformers (CT) are installed in electric systems to reduce the line current to a secondary value of 5A, 

which is compatible with current inputs of digital multimeters or protection relays.These are without primary winding and are used 

for high primary current values from 50A upward.The number of loops of the primary cable does not modify the accuracy but 

converts the primary current value proportional to secondary current.

Features

1:Safe, easy to install, portable
2:Wide inner window, allowing clamping of big cables or bus-bars
3:Wide range of sizes to accommodate all the existing installations

Applications:

1:Current measurement, monitoring and protection for electrical wiring and equipment.

2:Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system, air-condition equipment and automation - control system.

3:Current, power and energy monitoring device.

4:Relay protection device.

Technical Index:

Electrical Parameter
Mechanical Parameter
Frequency 50/60Hz Case PC/UL94-V0
Rated Input 1A-5000A Bobbin PBT
Measuring range 5%In-120%In Core Silicon steel
Rated Output 1A,5A Construction Screw
Ratio Voltage 0.72KV (AC) Operating Temp -25℃~+75℃
Dielectric strength 3.0KV/1mA/1min Operating Humidity ≤85%
Insulation Resistance DC500V/100MΩ min Output Connection Terminal
Specification:

Product
MODEL
Ratio
Burden(VA) Frequency(HZ)
Dimensions(mm)
Class:0.5 Class:1.0

DX-20
50/5A
--- 1.5(2T) 50/60
60/5A --- 1.5(2T) 50/60
75/5A --- 1.5 50/60
100/5A 1.5 2.5 50/60
150/5A 1.5 2.5 50/60

Product
MODEL
Ratio
Burden(VA) Frequency(HZ)
Dimensions(mm)
Class:0.5 Class:1.0

DX-30 100/5A 1.5 2.5 50/60
150/5A 1.5 3.75 50/60
200/5A 2.5 3.75 50/60
250/5A 2.5 3.75 50/60
300/5A 3.75 5 50/60
400/5A 3.75 5 50/60
500/5A 3.75 5 50/60

Product
MODEL
Ratio
Burden(VA) Frequency(HZ)
Dimensions(mm)
Class:0.5 Class:1.0

DX-40 150/5A 1.5 2.5 50/60
200/5A 2.5 3.75 50/60
250/5A 3.75 5 50/60
300/5A 5 7.5 50/60
400/5A 5 7.5 50/60
500/5A 5 7.5 50/60
600/5A 5 7.5 50/60
800/5A 5 7.5 50/60
1000/5A 5 7.5 50/60

Product Model Ratio Burden(VA) Frequency Dimensions(mm)
Class:0.5
Class:0.1

DX-125
800/5A 5 10.0 50/60
1000/5A 7.5 12.5 50/60
1200/5A 10 15 50/60
1250/5A 10 15 50/60
1500/5A 15 25 50/60
1600/5A 15 25 50/60
2000/5A 15 25 50/60
2250/5A 15 25 50/60
2500/5A 15 25 50/60
3000/5A 15 25 50/60
4000/5A
20 30 50/60
5000/5A 20 30 50/60
6000/5A 20 30 50/60


Accuracy Class Characteristics


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Contact Online bethycai 285611779 86-13968747975 bethy@heyiele.com