Current Transformer

NSQ Type Current Transformer

Item No.: NSQ
NSQ Series current instrument transformers are designed for electric power systems of 50/60Hz rated frequency and rated voltage 0.66kV.
Description
Description
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.
Tel:13968747975
Add:(Zhejiang Lierde Relay Co., Ltd.) Xinguang Ind. Zone, Liushi Town, Wenzhou, Zhejiang, China
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