What are the lead times for delivery?

Both peak season and off-season lead times are within 15 workdays.

Does the company offer OEM and ODM services?

Yes, the company provides both OEM and ODM services for this product.

S903 Microcomputer-Based 3 Phase Relay Protection Tester (High Precision) Provide Other Electrical Tester

Name: S903 Microcomputer-Based 3 Phase Relay Protection Tester (High Precision) Provide Other Electrical Tester
Brand: Refine On (Hebei) Electric Power Technology Co., Ltd.
SKU: 2158441032

Hebei, ChinaRefine On (Hebei) Electric Power Technology Co., Ltd.

US$4,000.00-6,710.00

1 Piece

Product specifications

Three-phase

Product profile

Customization

Available

After-sales Service

Provided

Working Power Supply

AC110V±10%

Model NO.

NRJB300

Frequency Range

0--1000Hz

Harmonic Number

2--20

Phase

0--360°

Single-Phase Current Output (RMS Value)

0-30A/Phase, Accuracy: 0.2% ±5mA

Three-Phase Parallel Output (RMS Value)

0-90A/Three Parallel Outputs with The Same Phase

Maximum Output Power Per Phase

300va

Transport Package

Carton

Trademark

Refine On

Origin

China

HS Code

9030820000

Production Capacity

100 Set Per Week

Key features

Comprehensive Output Capabilities: Supports 4-phase voltage and 3-phase current with up to 90A parallel output.

Advanced DSP + FPGA Architecture: Generates 2000 high-density sine waves per week for superior waveform quality.

Windows XP Interface: Features 8.4-inch TFT display with self-recovery function to prevent crashes.

Wide Frequency Range: Operates from 0 to 1000Hz with harmonic numbers from 2 to 20.

DC Auxiliary Voltage Output: Provides 110V (1A) and 220V (0.6A) for DC powered protection devices.

USB Direct Communication: Connects directly to PC without extra cables for convenient data transfer.

Software Self-Calibration: Eliminates need for manual potentiometer adjustment, ensuring long-term stability.

Company profile

R&D Capabilities100% Finished Products InspectionODM ServicesProduction Process Visualization

Refine On (Hebei) Electric Power Technology Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.19h

AI-Powered supplier vetting

SummaryThe supplier is a technology-driven enterprise integrating R&D, production, sales, and after-sales service, offering electrical testing equipment, specialized tools, meters, and related products. It reports new products within the past year, ODM capability, broad customization options, and OEM service for well-known brands. Overseas service is stated for Vietnam and Russia, including installation, debugging, maintenance, repair, and training, but the supplier has no overseas warehouses, showrooms, agents, or branches and has not participated in offline trade shows. Quality assurance and raw-material traceability are reported, while several service-control procedures lack written records. Financial information is inconsistent and insufficient for assessment.

Supplier typeThe supplier identifies as a technology-driven enterprise integrating R&D, production, sales, and after-sales service. Its listed products include electrical tools, intelligent meters, energy measurement equipment, fault-location and cable-testing equipment, and specialized instruments, indicating a manufacturer-oriented technology supplier.

After-Sales capabilityThe supplier states that it provides after-sales service and offers installation, debugging, maintenance, repair, and training in Vietnam and Russia. However, it has no overseas warehouse, showroom, agent, or branch, has not participated in offline trade shows, and its complaint-handling and service corrective-action procedures have no written records, limiting evidence of formal service execution controls.

R&D capabilityThe supplier reports R&D capability, new products within the past year, ODM services, and integration of R&D with production and after-sales service. It does not have an available SDK, but the available evidence still explicitly supports product-development capability.

Production capacityThe supplier is described as integrating production with R&D, sales, and after-sales service, and it lists a broad product range including tools, meters, and testing equipment. Quality assurance and raw-material traceability are reported, but the slices do not provide production capacity, factory scale, or output data.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service, providing direct evidence of broad customization capability.