Zero Sequence Current Transformer Cores
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.
- Product Introduction
Wuxi Liou Electronics Co.,Ltd is one of the leading manufacturers and suppliers of zero sequence current transformer cores 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 110mm~300mm,the main circuit current contains 63A~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
● Easy to install,open angle up to 90℃
● Centre through core structure and the flame retardant epoxy resin are poured and have good stability.
● Using high magnetic nickel steel or nanocrystalline,excellent linearity,high sensitivity.
● 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 | 0-1A | Bobbin | PBT |
Measuring range | 10%IN-130%IN | Core | Permalloy or Nanocrystal |
Rated output | 0-1Vor0-2.5mA | Inter structure | Resin cast |
Ratio error | ≤±0.1% | Fix | Screw |
Phase error | ≤10° | Operation temperature | -12℃-+45℃ |
Dielectric | AC2.5KV1mA/60s | Ambient | ≤85% |
Insulation resistance | DC500V/1000MΩ | Connection | Terminal/lead wire 1.5M |
P/N | INPUT | OUTPUT | Accuracy | DIMENSIONS(mm) | ||||||
A | B | K | F | C | D | G | ||||
LO-CTK-1125 | 0A~1A | 0m~1A(0.5mA) | 181 | 69.4 | 110 | 25 | 30 | 169 | M6 | |
LO-CTK-1535 | 0.1 | 230 | 85 | 150 | 35 | 30 | 217 | M6 | ||
LO-CTK-1935 | 0.2 | 270 | 85 | 190 | 35 | 30 | 257 | M6 | ||
LO-CTK-2445 | 0.5 | 328 | 105.5 | 240 | 45 | 30 | 302 | M6 | ||
LO-CTK-3045 | 1 | 387 | 102 | 300 | 45 | 35 | 373 | M6 | ||
LO-CTK-6545 | 437 | 102 | 350 | 45 | 35 | 423 | M6 | |||
LO-CTK-4045 | 487 | 102 | 400 | 45 | 35 | 473 | M6 | |||
Our Service
● Provide the technical design and solutions;
● Designing and manufacturing of non-standard products;
● We can guarantee on-time delivery of samples and goods.
● Supply accessories at any time;
● Technical consulting and services;
● Other special technical service according to client's requirements.
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