What is the warranty and after-sale service?

We provide a 1-year warranty, free spare parts for replacement within the warranty period, and 24/7 technical support.

What is the accuracy of the sensor?

The sensor has an accuracy grade of 0.5% and a linearity of 0.5%.

Is the product certified?

Yes, the product meets CE and RoHS requirements.

Qndb2 Input 1A 5A 10A 20A 50A 100A Output 4 20mA AC CT Current Transducer Sensor Current Transformer

Name: Qndb2 Input 1A 5A 10A 20A 50A 100A Output 4 20mA AC CT Current Transducer Sensor Current Transformer
Brand: Nanjing Qineng Electronic Technology Co., Ltd.
SKU: 2253133665

Jiangsu, ChinaNanjing Qineng Electronic Technology Co., Ltd.

US$5.00

1 Piece

Product specifications

QNDB2

Product profile

Customization

Available

Output Signal Type

Analog Output

Material

Plastic

Model NO.

QNDB2

Accuracy Grade

0.5G

Certification

RoHS

Customized

Input Current

AC 1A 5A 10A 20A 50A

Output

DC 4~20mA

Supply Voltage

+24V

Accuracy

0.5%

Linearity

0.5%

Operating Temperature

-40℃~+85℃

Storage Temperature

-40 to +125 ℃

Galvanic Isolation

2.5 Kv (50Hz,AC,1min)

Transport Package

Standard Carton

Specification

4-20mA

Trademark

NJQNET

Origin

China(Mainland)

HS Code

9030339000

Production Capacity

4000000PCS/Year

Key features

Customizable Input Current: Supports AC input currents of 1A, 5A, 10A, 20A, 50A, and 100A.

Standard Analog Output: Outputs DC 4-20mA signal proportional to the measured current.

High Precision Grade: Features 0.5% accuracy and 0.5% linearity for reliable measurement.

Galvanic Isolation: Provides 2.5 Kv isolation between primary and secondary circuits.

OEM and ODM Service: We provide full OEM and ODM services including custom branding.

RoHS Certified: Meets CE and RoHS requirements for safety and environmental standards.

1-Year Warranty: Includes 1-year warranty with free spare parts and 24/7 support.

Company profile

Nanjing Qineng Electronic Technology Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyNearest Port: shanghaiAverage Response Time: ≤5.12hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, DDP, DAP

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization, OEM/ODM availability, substantial stated production capacity, and export experience across more than 50 countries and regions. It reports CE certification for products and UL certification for product materials. The company states that it has more than 100 experienced employees, automated production equipment, and an annual output exceeding 10 million current transformers and current sensors. However, after-sales infrastructure is limited: it reports no inventory capability, overseas warehouses, overseas showrooms, overseas agents or branches, or offline trade-show participation. Innovation evidence is mixed because customization and ODM services are available, but no new products were reported in the past year and no SDK is available. Financial credibility cannot be favorably assessed because the provided records show zero operating revenue, costs, profits, and related ratios for the reported periods; these entries should be verified.

Supplier typeThe supplier presents itself as a manufacturer with automated production equipment, a complete assembly-line workshop, and stated annual output exceeding 10 million current transformers and current sensors. It also provides OEM and ODM services, indicating both manufacturing and design-service roles.

CertificationsThe supplier states that its products have obtained CE certification and that product materials have obtained UL certification. These are explicit certification claims, although the provided information does not include certificate numbers, scope, or validity dates.

After-Sales capabilityThe supplier reports no in-stock service capacity, overseas warehouses, overseas showrooms, overseas agents or branches, or offline trade-show participation, and lists zero countries with overseas services. It does offer multiple quotation and payment terms and reports lead times within 15 working days, but the overseas service infrastructure is limited.

Financial creditThe provided financial records report zero operating revenue, operating costs, gross profit, operating profit, and relevant current-ratio figures for the stated periods. Because these entries indicate a material financial-data concern rather than merely missing information, financial credibility is not favorably supported and should be verified.

R&D capabilityThe supplier states that it has an experienced technical and management team involved in research and development and offers sample, design, full, minor, and flexible customization plus ODM services. However, it reports no new products in the past year, so evidence supports development and customization capability but not recent product innovation.

Production capacityThe supplier reports more than 100 experienced employees, automated production equipment, a complete assembly-line workshop, and annual output exceeding 10 million units of current transformers and current sensors. It also reports peak- and off-season lead times within 15 working days, supporting a favorable assessment of stated production capacity.

Customization capabilityThe supplier explicitly supports customization from samples and designs, full, minor, and flexible customization, and provides ODM services. It also reports OEM service for well-known brands, providing direct evidence of broad customization and contract-manufacturing capability.

Client casesThe supplier states that it provides OEM services for well-known brands and has exported products to more than 50 countries and regions, including the United States, Russia, Germany, Australia, the Middle East, and Southeast Asia. These claims indicate international customer and market exposure, but no specific customer names or independently verifiable case details are provided.