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bethy@heyiele.com

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 NSQ Series Current Transformer


NSQ Series current instrument transformers are designed for electric power systems of 50/60Hz rated frequency and rated voltage 0.66kV. They are used for indoor mounting.

Feature:

1:The Current Transformers Are Made According To IEC-185 Standard.
2. Class Of Accuracy: 1.0 (see table)
3. Rated Voltage: 600V (see table)
4. Rated Sec. Current 5A(or 1A on reque
5. Security Factor: FS5
6. Working Temperature Range: ABS plastic case, toally enclosed, built-in cover, and several ampere outputs at secondary side iron plate for fixing metal housing-2 pieces-1, iron bar and acrew
for fixing copper bar-3 pieces.

Application

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 prtection 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:

Model

Primary /secondary

Busbar Hole Dimension

Rated Burden (VA)

Class

Rated Voltage

Rated Frequency

NSQ-30

30/5A-300/5A

30*10mm

1.5-5

0.5/1.0

0.72KV

50/60Hz

NSQ-40

50/5A-400/5A

40*10mm

1.5~10

0.5/1.0

0.72KV

50/60Hz

NSQ-55 100/5A~600/5A 55*10mm 1.5~10 0.5/1.0 0.72KV 50/60Hz

NSQ-85

600/5A-1600/5A

60*10mm

1.5~10

0.5/1.0

0.72KV

50/60Hz

NSQ-125

800/5A-3000/5A

100*10mm

15

0.5/1.0

0.72KV

50/60Hz

Dimension of case (mm):

TYPE A B C D E F
NSQ-30 33 70 47 84 101 83
NSQ-40 40 80 46 87 104 83
NSQ-55 55 100 39 111 128 73
NSQ-85 85 130 42 145 158 76
NSQ-125 125 190 42 190 205 76

Current Transformer installation way


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