Low Voltage AC Zero Flux Current Transformer
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Product Highlights
- High Permeability Core: Uses permalloy or nanocrystalline material for excellent linearity and high sensitivity.
- Strong Immunity: Features excellent balance characteristics and extremely strong immunity to electromagnetic fields.
- Wide Measurement Range: Rated primary current from 10mA to 5A with secondary current range of 0 to 5mA.
- Epoxy Resin Casting: Ensures good stability and flexible output method through structure.
- High Accuracy: Available in accuracy classes of 0.2%, 0.5%, and 1.0%.
- Versatile Applications: Suitable for motor protection, relay protection, small current grounding, and electrical fire monitoring.
- Single Layer Winding: Features single layer and tightly wound type for optimal performance.
Product Attributes
- Customization
- Available
- Application
- Electronic, Monitoring
- Type
- Current Transformer
- Model NO.
- TR21313B
- Phase
- Single
- Operation Condition
- Indoor
- Usage
- Protection, Measurement
- Winding Form
- Single Layer & Tightly Wound Type
- Insulating Medium
- Insulating Paper
- Installation
- Active Type
- Magnetic Circuit Structure
- Single Stage Type
- Voltage Transformation Principle
- Electromagnetic Type
- Voltage Level
- 0.4/0.66/0.72kV
- Rated Input Current
- 0~1A
- Accuracy Class
- 0.5, 1.0
- Operating Temperature
- -40℃~+70℃
- Sealing and Filling
- Epoxy Resin
- Transport Package
- Standard Boxes
- Specification
- 32HOLE
- Trademark
- TR
- Origin
- China
- HS Code
- 850450
- Production Capacity
- 300000
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 0.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Low Voltage AC Zero Flux Current Transformer
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Low Voltage AC Zero Flux Current Transformer -
Low Voltage AC Zero Flux Current Transformer -
Low Voltage AC Zero Flux Current Transformer -
Low Voltage AC Zero Flux Current Transformer -
Low Voltage AC Zero Flux Current Transformer -
Low Voltage AC Zero Flux Current Transformer -
Low Voltage AC Zero Flux Current Transformer
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Product Description
The TR21 series Residual (zero sequence) current transformer are designed to acquire residual (zero sequence) current signal. residual (zero sequence) current usually of the mA level and must be wound through the core, which has a high requirement for balancing characteristics, immunity to interference and linearity.
This series products has a wide measure range, rated primary current transformer: 10mA~5A, rated secondary current range: 0~5mA,excellent high permeability magnetic core and advanced producing process flow, ensuring its accuracy range, reliability ,etc.
Suitable for motor protection, relay protection,small current grounding system
Suitable for electrical fire monitoring systems
Flexible output method
Through structure, epoxy resin casting,good stability
High permeability permalloy or nanocrystalline, with good linearity and high sensitivity
Excellent balance characteristics and extremely strong immunity to electromagnetic fields.
| Recommend specification | |||||||||
| Type | Specification | Accuracy | Rated Continuous | Temperature Range | Size(±1mm) | ||||
| Thermal Current | Φ | L | W | H | D | ||||
| TR21313B | 1A/0.5mA | 0.2% | 10A | -40ºC~ +85ºC | 32 | 91 | 28 | 70 | 80 |
| TR21314B | 1A/0.5mA | 0.2% | 10A | -40ºC~ +85ºC | 45 | 104 | 28 | 83 | 93 |
| TR21315B | 1A/0.5mA | 0.2% | 10A | -40ºC~ +85ºC | 65 | 126 | 28 | 105 | 115 |
| TR213156B | 1A/0.5mA | 0.2% | 10A | -40ºC~ +85ºC | 80 | 143 | 28 | 122 | 132 |
| TR21317B | 1A/0.5mA | 0.2% | 10A | -40ºC~ +85ºC | 105 | 172 | 28 | 151 | 161 |
About the Supplier
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Company Profile
Hubei Tianrui Electronic Co., Ltd. Was founded in 1998, is a collection of scientific research, production, sales and service in one of the high-tech power electronics components. Focusing on the development of "Relay Protection and Power Automation", the company continues to provide complete sets of precision transformer solutions for domestic power equipment manufacturers, and is a well-known manufacturer of relay protection relays and a leader in the industry.
As one of the specialized research institutes for precision transformers in China, Tianrui successfully listed on the new three board in May 2016. In 2013, it passed the "Hubei Provincial Recognized Enterprise Technology Center" approved by the six ministries and commissions. Up to now, it has obtained 4 invention patents, 30 utility model patents and 5 appearance patents. At the same time, Tianrui Electronics has also made considerable progress in foreign technology exchanges, including Tianmen Institute of Electrical Instrumentation jointly established with the Provincial Bureau of Quality and Technical Supervision, an undergraduate internship base jointly established with Huazhong University of Science and Technology, Association to build academician expert workstations, and the provincial post-doctoral CMC's innovative practice base and other scientific research cooperation to further consolidate the Tianrui technology innovation soil, effectively protect the company's leading product technology.
Tianrui after nearly 20 years of focus on development, has now become the largest in the world for the protection of special transformer manufacturers in the industry has a wide range of visibility. The company is the CLP relay protection and automation equipment branch director unit, the CLP Power Grid Equipment Working Committee, the National Electrical Instrument Standardization Technical Committee, is also a precision micro-current, voltage transformer industry standard drafting unit. The company won the "Shou contract re-credit enterprises in Hubei Province" for 10 consecutive years, was rated as brand-name products and well-known trademarks in Hubei Province.
Tianrui product quality as the cornerstone of the company's development, the company in 2003 passed the ISO9001: 2000 quality management system certification, and in 2009 passed ISO9001: 2008 for version certification. ISO9001: 2015 in 2018. In the past 13 years, the company strictly follows the requirements of ISO9001 Quality System to ensure stable and reliable operation of customer equipment and has won unanimous endorsement from the industry.
Tianrui production efficiency as the engine for the development of the company, the company formed in 2007 on the industry's leading automated precision production technology transformation team, through nine years of unremitting efforts, has built five precision transformer automation production lines, And the current on-line operation of the "Tianrui ERP system" to achieve the information connection in the precision transformer industry took the lead in achieving the two production automation and information technology integration, effectively improve the production efficiency, precision transformers for automated production, Set an industry benchmark.
Tianrui serves customers as the company's development mission. In order to provide customers with more suitable supporting products and convenient technical services, Tianrui has set up two branch offices in Nanjing and Baoding and has branches in Shenzhen, Beijing, Zhuhai, Xuchang, Chengdu and Xi'an With a number of sales organizations, covering the geographical area of Europe, South America, South America, Asia, etc. The domestic electric power equipment manufacturing cluster,
About Our Factory & Business Background
- Address
- No. 8, Chuangye Avenue, Tianmen Economic Development Zone, Tianmen City, Hubei Province, Tianmen, Hubei, China
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2015-12-12
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the rated primary current range?
- The rated primary current ranges from 10mA to 5A.
- What accuracy classes are available?
- The product is available in accuracy classes of 0.2%, 0.5%, and 1.0%.
- What materials are used for the core?
- The core uses high permeability permalloy or nanocrystalline materials.
- What are the main applications for this transformer?
- It is suitable for motor protection, relay protection, small current grounding systems, and electrical fire monitoring.
- What is the sealing method used?
- The transformer uses epoxy resin casting for good stability.
- What is the rated secondary current?
- The rated secondary current range is 0 to 5mA.
- Is this transformer suitable for indoor use?
- Yes, it is designed for indoor operation conditions.
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