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B203 Open Loop Hall Effect Current Transducer 11.5mm Hole Diameter Current Sensor
US$5.00-5.54
10 Pieces
Product profile
Customization
AvailableType
Hall TypeOutput Signal Type
Analog OutputModel NO.
B203Production Process
SemiConductor IntegratedMaterial
PlasticAccuracy Grade
0.5GApplication
Switching Power SupplyIP Rating
IP65Certification
ISOCustomized
CustomizedRated Output
@IP=±IpnUsage
Hall SensorZero Voltage
Hall SensorSupply Voltage
+-12V, +-15VGalvanic Isolation
@ 50Hz, AC, 1min 2.5kvTransport Package
Green Plastic FilmSpecification
CE, ISO, RohsTrademark
HEYIOrigin
Liushi, Yueqing, Zhejiang Province, ChinaHS Code
8542390000Production Capacity
5000PCS/MonthKey features
High Precision Accuracy: Achieves 0.5G accuracy grade for precise electronic measurement of DC, AC, or pulsed currents.
Galvanic Isolation Safety: Provides safe galvanic isolation between primary and secondary circuits with 2.5KV withstand voltage.
Customizable Options: Offers customized rated input current and output voltage designs to meet specific application needs.
Wide Bandwidth: Supports a bandwidth of DC to 100 KHZ for versatile applications including UPS and SMPS.
Compact Design: Features a 11.5mm hole diameter and lightweight 26g plastic construction for easy integration.
Multiple Certification: Complies with international standards including ISO, UL94-V0, EN60947-1, and IEC60950-1.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-10-01Nearest Port: NINGBO, SHANGHAI, QINGDAOAverage Response Time: ≤10.63hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF, DDP, EXW
AI-Powered supplier vetting
SummaryWenzhou Junke Electric Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. Established in 1992, it states that it conducts R&D, manufacturing, distribution, sales, and customer support for low- and high-voltage switchgear and related electrical products. The supplier reports ISO 9001 and ISO 14001 certifications, 6–10 R&D engineers, 11–20 quality-control staff, and 10 production lines. Its listed annual product capacities range from 100,000 to 150,000 pieces across several product categories, and it exports to multiple regions, with exports representing 41%–50% of total sales. It claims to provide customized solutions and close customer service, but the available evidence does not independently verify service performance, customization outcomes, financial strength, or a broad customer portfolio. Recent trade records show transactions with buyers in the Philippines and Sri Lanka.
Supplier typeThe supplier is explicitly classified as both a Trading Company and Manufacturer/Factory, with its own R&D, production, sales, and customer-support facilities. Its product portfolio covers electrical equipment such as automatic transfer switches, circuit breakers, meters, capacitors, and distribution panels.
CertificationsThe supplier reports ISO 9001 and ISO 14001 management-system certifications and states that some products have been approved by CE and IEC certificates. The evidence supports certification holding, although it does not provide certificate numbers, validity dates, or coverage details.
R&D capabilityThe company states that it specializes in research and design and maintains its own R&D facilities, with 6–10 years of total R&D-engineer experience reported. This supports an established product-development function, but no patents, new-product records, testing programs, or R&D achievements are provided.
Production capacityThe supplier reports its own manufacturing facilities, 10 production lines, and stated capacities of 100,000 pieces for automatic transfer switches and power capacitors, 150,000 pieces for meter sockets/meters, and 110,000 pieces each for soft starters/inverters and circuit breakers. It also reports 11–20 quality-control staff, indicating substantial stated production and quality resources.
Customization capabilityThe company explicitly describes its service as designing, manufacturing, and delivering customized solutions, and says it can help clients research electrical sources for panels. The evidence confirms a stated customization offering, though it does not provide specific customized projects, engineering scope, or delivery examples.
Client casesThe supplier identifies export markets across South America, the Middle East, Southeast Asia, Eastern Asia, Oceania, and Africa, and reports export activity beginning in 2010. Trade records show transactions involving ENEX ELECTRIC PHILS INC in the Philippines and MICRO POWER ENGINEERING PVT LTD in Sri Lanka, but the records shown are limited to individual transactions and do not establish a broad or independently verified customer track record.
Product Q&A
Q:What types of currents can this sensor measure?
A:
The B203 series sensor provides accurate electronic measurement of DC, AC, or pulsed currents.
Q:What is the galvanic isolation voltage rating?
A:
The sensor offers galvanic isolation of 2.5KV at 50Hz AC for 1 minute between primary and secondary circuits.
Q:Is the product customizable?
A:
Yes, custom designs for different rated input currents and output voltages are available upon request.
Q:What are the typical applications for this sensor?
A:
It is suitable for AC variable speed drives, static converters, battery applications, UPS, SMPS, and welding power supplies.
Q:What certifications does the product hold?
A:
The product holds ISO certification and complies with standards such as UL94-V0, EN60947-1, IEC60950-1, and EN50178.
Send Inquiry
*To:
WENZHOU JUNKE ELECTRIC CO., LTD.
WENZHOU JUNKE ELECTRIC CO., LTD.*Content:
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