
Round Zero Sequence Current Transformer
The center through hole current transformer is mainly used in the cable circuit environment.Its structure is simple,small in size,flexible in application,and well fit the cable specifications used in the main circuit.The diameter of the through-hole this series is from 30mm~200mm,the main circuit current contains 0A~2000A.This series of products can meet the technical requirements of different precisions such as 0.2,0.5,and1.
- Product Introduction
Wuxi Liou Electronics Co.,Ltd is one of the leading manufacturers and suppliers of round zero sequence current transformer in China. Our factory offer high quality customized products made in China with low price. Welcome to contact us for quotation.
Introduction
The center through hole current transformer is mainly used in the cable circuit environment.Its structure is simple,small in size,flexible in application,and well fit the cable specifications used in the main circuit.The diameter of the through-hole this series is from 30mm~200mm,the main circuit current contains 0A~2000A.This series of products can meet the technical requirements of different precisions such as 0.2,0.5,and1. At the same time,it can meet the stringent requirements of the new national standard for balance characteristics.The unbalanced current output value can also be better than 30mA,10mA,5mA.Even 3mA greatly reduces the false alarm caused by the main circuit current magnetic field interference,which provides sufficient for the reliable of the equipment.Excellent and advanced production process.To ensure the accuracy level reliability and other technical requirements,this series of products meet the requirements of GB-14287.2-2005 and GB14287.2-20140.
Feature
v Centre through core structure and the flame retardant epoxy resin are poured and have good stability.
v Using high magnetic nickel steel or nanocrystalline,excellent linearity,high sensitivity.
v Excellent balance characteristics,and has strong resistance to electromagnetic interference.
Usage
Electrical fire monitoring,fire prevention system,smart power system,small current grounding system,electromagnetic relay,computer protection,etc.
Electrical specifications
Electrical specifications | Mechanical specifications | ||
Frequency | 50-400HZ | Case | ABS Material |
Rated input | 0-2000A | Bobbin | PBT |
Measuring range | 10%IN-130%IN | Core | Permalloy or Nanocrystal |
Rated output | 20mA-5A | Inter structure | Resin cast |
Accuracy | 0.1,0.2,0.5,1.0 | Fix | Screw |
Rated capacity(VA) | 1-15VA | Operation temperature | -12℃-+45℃ |
Dielectric | AC2.5KV1mA/60s | Ambient | ≤85% |
Insulation resistance | DC500V/1000MΩ | Connection | Terminal/lead wire 1.5M |
P/N | INPUT (A) | OUTPUT (mA/V) | Accuracy | DIMENSIONS(mm) | |||||
θ | A | B | C | D | G | ||||
LO-CY-25 | 0A~2000A | 20mA~5A | 25mm | 56 | 60 | 21 | 48.5 | M5 | |
LO-CY-45 | 0.1 | 45mm | 79.5 | 83.5 | 24 | 66.5 | M5 | ||
LO-CY-65 | 0.2 | 65mm | 99.5 | 104 | 24 | 86.5 | M5 | ||
LO-CY-80 | 0.5 | 80mm | 113.5 | 119 | 26 | 101.5 | M5 | ||
LO-CY-100 | 1 | 100mm | 135.5 | 141 | 26 | 114.5 | M6 | ||
LO-CY-150 | 150mm | 189.5 | 196 | 27 | 171 | M6 | |||
LO-CY-200 | 200mm | 239.5 | 246 | 30 | 221 | M8 | |||
Dimensions

Our advantage
Quality Standard and Custom Design Products
LIOU Current Transformer has been an industry leader in design and production of current transformer products for over 20 years. Our focus is to build quality products designed to meet your needs. You may choose from any of our standard products or we can design and build a custom solution specifically for your application.
Designed, Manufactured and Distributed From One Location
Every aspect of your order is handled in house allowing us the opportunity to design, manufacture and ship your current transformer product quickly. Each order is reviewed by one of our qualified engineers to make sure the product you are ordering will work for you.
Superior Goals and Higher Expectations
It is the goal of LIOU Current Transformer to maintain its position as a worldwide industry leader in current transformer design and production. We will accomplish this by providing you with quality products and services that meet or exceed your current and future expectations.
Our Objective Is For You to Have Full Confidence in LIOU Current Transformer.
Each employee, at every level within the company, understands your satisfaction is fundamental to our growth and long-term development. LIOU Current Transformer believes that this level of quality will be achieved by:
1.A Total Quality Management approach. Every employee, supplier and customer is regarded as an essential part of the quality achievement process.
2.An error-free performance standard, based on prevention and development of a "Get It Right The First Time" work environment.
3.Implementation and maintenance of a quality assurance process that includes a hands on inspection of all your products during the manufacturing process with a final quality inspection prior to shipping.
4.Adhering to safety standards.
5.Development of all employees through continued training.
We look forward to demonstrating to you the superior quality and customer service our customers have come to expect from LIOU Current Transformer.

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