Does the device support self-calibration?

Yes, it has a software self-calibration function that improves accuracy stability without requiring manual adjustment of potentiometers.

Automated 3 Phase Relay Protection Test Device with One-Click Test Templates Provide Other Electrical Tester

Name: Automated 3 Phase Relay Protection Test Device with One-Click Test Templates Provide Other Electrical Tester
Brand: Refine On (Hebei) Electric Power Technology Co., Ltd.
SKU: 2158383272

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

Accuracy Grade

0.5

Model NO.

NRJB300

Display

Digital

Weight

0-100Kg

Power Source

AC220V

Working Power Supply

AC110V±10%

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

Multi-Phase Capability: Standard four-phase voltage and three-phase current output for comprehensive testing.

DC Auxiliary Source: Independent DC output at 110V (1A) and 220V (0.6A) for relay protection devices.

Advanced Control System: DSP + FPGA structure with 16-bit DAC for high-density sine wave generation.

User-Friendly Interface: Windows XP interface with 8.4-inch TFT display and PC-compatible software.

Self-Calibration Function: Software self-calibration ensures stability without manual potentiometer adjustment.

Portable Connectivity: USB interface for direct PC connection; compatible with optional laptops.

System Recovery: Built-in recovery function prevents crashes from illegal shutdowns or errors.

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: ≤0.72h

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.

Product Q&A

Q:Can this device test modern microcomputer protections?

Yes, it can test various traditional relays, protection devices, and modern microcomputer protections, including transformer differential protection.

Q:What are the output specifications for current and voltage?

It provides single-phase current output up to 30A/phase and three-phase parallel output up to 90A. Voltage output ranges from 0-120V/phase (single-phase) and 0-240V (line voltage).

Q:Does the device include a DC power supply output?

Yes, it is equipped with an independent dedicated DC auxiliary voltage source outputting 110V (1A) and 220V (0.6A) for devices requiring DC power.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 set.

Q:What is the average lead time for production?

The average lead time is within 15 workdays for both peak and off-season periods.