333mv 12mm Rogowski Coil CT Rogowski Flexible Current Transformer
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Product Attributes
- Customization
- Available
- Application
- Electronic, Monitoring
- Type
- Current Transformer
- Model NO.
- TRKLS-07
- 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
- 10~2000A
- Integrator Power Supply
- 5~15VDC
- IP Protection Class
- IP65
- Skeleton and Quilt
- Silicone Rubber
- Transport Package
- Standard Boxes
- Specification
- 100mm
- Trademark
- TR
- Origin
- China
- HS Code
- 850450
- Production Capacity
- 300000
- Package Size
- 20.00cm * 20.00cm * 20.00cm
- Package Gross Weight
- 1.000kg
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.
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Product Description

PRODUCT OVERVIEW
TRKLS-R series split-core three-phase flexible Rogowski coils are mainly used for the measurement and protection of three-phase current in power lines. The output signal is the differential of the current against time, and through an integrator, the measured current can be truly restored. The coil has excellent transient response ability, no hysteresis and magnetic and saturation phenomenon, wide measurement range, high precision and wide frequency response range. The split-core structure, flexible silicone rubber quilt and skeleton, can be used to measure the current of conductors with large size or irregular shape. The coil requires very little installation space, light weight, simple and convenient installation, and no need to damage the conductor. It is widely used in the measurement of large currents where the traditional CT measuring current cannot be used normally.
| PERFORMANCE | |||
| Working Temperature | -40ºC~+70ºC | Relative Humidity | ≤90% |
| Voltage Level | 0.4/0.66/0.72kV | Accuracy Class | 5%(without integrator) 1%(with integrator) |
| Rated Input Current | 10~2000A | Phase Error | ≤60divide(45Hz~65Hz) |
| Linear Range | 5%~200% | Response Bandwidth | 1Hz~1MHz |
| Integrator Power Supply | 5~15V DC | Insulation Strenth | 1000MΩ/500V/min |
| Shell | PC Flame Retardant Grade94-V0 | Secondary Lead | Shielded Wire |
| Skeleton and Quilt | Silicone Rubber | IP Protection Class | IP65 |

| Shape and Installation Dimensions | |||||
| Product | Rated | Rated | Precision | Dimensions(mm) | |
| Model No. | Input | Output | Class | Φ1 | Φ2 |
| TRKLS-100R | 600A | 333mV | 0.5 1.0 |
100 | 8 |
| TRKLS-200R | 1000A | 50mV | 200 | 8 | |
| TRKLS-300R | 1000A | 90mV | 300 | 10 | |
Split-core structure, easy to install on site and easy to operate. Quick and easy installation or removal without disconnecting the primary cable under test, effective for safe and easy current testing;
Flexible structure design, can detect the current of irregular primary conductor;
Low output voltage, high linearity, wide frequency range, no saturation (without integrator);
The secondary output adopts RJ45 crystal terminal network cable, and the length can be customized according to customer requirements
Measurement of high current AC signals (such as short-circuit current); measurement of pulse signals with high peak values (such as lightning current); analysis of harmonic current signals; current measurement of electric welding machines (such as resistance welding); measurement of irregular conductor currents (eg: rail current measurement); instrument measurement, clamp meter transformers (eg: measuring conductors with irregular dimensions).












About the Supplier
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
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