Introduce
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.
Applications
Current measurement, monitoring and piotection for electrical wiring and equipment.
Current and power measurement for electric motors, lighting,air compressor, heating and ventilation system.
Air-condition equipment and Current, power and energy monitoring device.
Relay protection device.
Features
The Current Transformers Are Made According To IEC-185 Standard.
Class Of Accuracy: 1.0 (see table)
Rated Voltage: 600V (see table)
Rated Sec. Current 5A(or 1A on reque.
Security Factor: FS5
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.
Technical Parameter
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 |
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 |
Dimensions
NFQ |
|
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 |
|
Installation method
Accuracy test
24Hs online service
365Ds NON-Stop Production 20Ys Professional Manufacturers
Professional designer and manufacturer of current transformer,
cooperated with Siemens ,schneider Fuji electrical softbank LG samdsung.