Powered by Made-in-China.com
TR2121-1C Factory Sales Can Customize Multi-Functional Instrument Current Transformers 5A/2.5mA PCB Installation OEM ODM
US$1.66
10-999 Pieces
US$1.49
1,000-9,999 Pieces
US$0.99
10,000-99,999 Pieces
US$0.55
100,000+ Pieces
Sample price:US$1.87/piece.Request sample
Product profile
Customization
AvailableApplication
ElectronicType
Current TransformerModel NO.
TR2121-1C-05Phase
SingleOperation Condition
IndoorUsage
Protection, MeasurementWinding Form
Multilayer Honeycomb TypeInsulating Medium
Epoxy ResinInstallation
PCBVoltage Transformation Principle
Electromagnetic TypeInternal Insulation
Epoxy ResinMedium Strength
3000V AC/1minOperation Frequency
50~400HzEnvironmental Friendly
According to The Requirement of RoHS;Transport Package
CartonSpecification
Box packagingTrademark
TROrigin
ChinaProduction Capacity
1000000Key features
High Precision Measurement: IEC 61869-2 class 0.1/0.2 with low phase error for accurate energy metering.
Compact PCB Design: Small size and light weight, ideal for high-density PCB mounting in instruments.
Wide Operating Range: Operation frequency 50~400Hz and optional temperature ranges for diverse environments.
Customization Available: Custom shapes and internal insulation options available according to system requirements.
RoHS Compliant: Environmentally friendly product meeting RoHS requirements for safe electronic use.
Cost Effective: Low price and easy cost control without compromising on high precision and consistency.
Versatile Application: Suitable for multi-function instruments, intelligent detection, and building control systems.
Company profile

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2015-12-12Average Response Time: ≤1.81h
AI-Powered supplier vetting
SummaryThe supplier demonstrates established manufacturing, quality-management, export, customization, and service-process capabilities. Evidence includes five precision-transformer automation production lines, ERP integration, ISO and product certifications, 18 years of export experience, in-house import/export rights, and documented complaint and corrective-action procedures. It offers ODM and SDK-related capabilities, but reported no new products in the past year and does not provide OEM services for popular brands. Manufacturing capacity is not supported by a valid contract with the factory or related subcontractor. Overseas warehouse and showroom services are unavailable, while inventory capability, international quotation/payment options, and lead times within 15 working days are documented. Financial assessment is inconclusive because the provided figures are not interpretable without units or context.
Supplier typeThe supplier is evidenced as a manufacturer with five precision-transformer automation production lines, ERP-enabled production integration, in-stock capability, ODM availability, and in-house import/export rights. However, the absence of a valid manufacturing-capacity contract with its factory or related subcontractor is a documented structural limitation.
CertificationsThe supplier reports ISO9001:2015, ISO14001, and ISO45001:2018 management-system certifications, along with CE and RoHS product-compliance certifications. Its quality-system certification history extends back to ISO9001 certification and includes the 2015 version obtained in 2018.
After-Sales capabilityWritten and followed procedures are documented for service assessment, corrective and preventive actions, and customer complaints, supporting structured after-sales handling. Inventory capability, accepted international service terms, and lead times within 15 working days are also reported, although overseas warehouse and showroom services are unavailable.
Production capacityFive precision-transformer automation production lines, ERP-based information integration, inventory capability, 21 qualified service-capability suppliers, and peak- and off-season lead times within 15 working days support substantial operational capability. The lack of a valid contract with the factory or related subcontractor is an explicit production-capacity governance deficiency.
Customization capabilityThe supplier supports customization from customer designs and full customization, and also offers ODM services. It does not provide OEM services for popular brands, which limits applicability for brand-specific OEM programs but does not negate its general customization capability.
Client casesThe supplier reports collaboration with Fortune 500 companies and a repeat-buyer preference rate of 30%–50%. It also reports recognition as a Hubei brand-name product and well-known trademark, but the provided slices do not identify customer names, project details, or verifiable case outcomes.
Product Q&A
Q:What is the accuracy class of this transformer?
A:
It supports IEC 61869-2 class 0.1 and 0.2, as well as JBT/10665-2016 class 0.1 and 0.2.
Q:Is customization available for this product?
A:
Yes, customization is available according to system requirements, including shape and insulation.
Q:What is the lead time for orders?
A:
Peak season lead time is one month, while off-season lead time is within 15 workdays.
Q:What is the maximum overload capacity?
A:
The maximum overload times vary by model, ranging from 2 to 2500 times the rated current.
Q:What is the medium strength of the insulation?
A:
The medium strength is 3000V AC for 1 minute.
Send Inquiry
*To:
Hubei Tianrui Electronic Co., Ltd.
Hubei Tianrui Electronic Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Factory Price UL 5A/1A/333mv Ouput Low Voltage AC Split Core Current Transformer
US$10.50-48.50
10 Pieces(MOQ)
TR2121-1C Multiple Customizable PCB Mounting Instrument Current Transformers with Various Shapes
US$0.55-1.66
10 Pieces(MOQ)
Factory Direct Sale High Voltage Ring Type Current Transformer
US$0.99-1.12
200 Pieces(MOQ)
Factory direct sale ring type current transformer
US$0.92-1.08
300 Pieces(MOQ)
Hot Sales Indoor Current Transformer 15/5A~1500/5A Accuracy Class 0.5/0.2 Factory Directly Supply
US$64.43-98.67
2 pieces(MOQ)
Factory Wholesale 5000/5A Class 0.5/1.0 Low Voltage Single Phase CT Current Transformer
US$3.40-6.70
1 Piece(MOQ)
Factory Direct Sales Best Price for 35kv High Voltage Current Transformer
US$360.00-450.00
10 Pieces(MOQ)
Factory Price 10kv Ratio 15/5/5A Accuracy Split Core Instrument Voltage/Current Potential Transformer
US$55.00-73.00
3 Pieces(MOQ)
Factory Sale Split Core Current Transformer Customised Demensions Self-Powered Current Transformer
US$15.00-82.50
10 Pieces(MOQ)
Factory Direct Sales Genuine Quality Assurance Closed Pillar Indoor High Voltage Current Transformer
US$55.00-73.00
3 Pieces(MOQ)
Wholesale Factory Price AC DC 2000/5A Electronic Toroidal Split Core Current Transformer
US$25.00-40.00
10 Pieces(MOQ)
Dp 2500/5A High Accuracy CT China Factory Use Split Core Current Transformers
US$15.00-30.00
3 Pieces(MOQ)
Factory 160mm Window Size IP68 Outdoor Waterproof 2000A/5A Split Core Current Transformer
US$100.00-220.00
10 Pieces(MOQ)
2025 Factory Direct Sales of Genuine Quality Dry Type Indoor High-Voltage Current Transformer
US$150.00-259.00
3 Pieces(MOQ)



















