What certifications does the manufacturer hold?

The company holds ISO9001:2015 certification, 2 invention patents, 10 utility model patents, and 20 software copyrights.

Comprehensive 3 Phase Relay Tester for Differential, Distance & Overcurrent Relays Provide Other Electrical Tester

Name: Comprehensive 3 Phase Relay Tester for Differential, Distance & Overcurrent Relays Provide Other Electrical Tester
Brand: Refine On (Hebei) Electric Power Technology Co., Ltd.
SKU: 2158408912

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

Comprehensive Testing Capability: Tests traditional relays, microcomputer protections, and transformer differential protection with standard 4-phase voltage and 3-phase current output.

Advanced DSP+FPGA Technology: Utilizes DSP + FPGA structure with 16-bit DAC to generate 2000 high-density sine waves per week for superior waveform quality.

User-Friendly Interface: Classic Windows XP interface with 8.4-inch TFT display, ultra-thin keyboard, and mouse for intuitive and fast operation.

Independent DC Output: Equipped with dedicated DC auxiliary voltage source outputting 110V (1A) and 220V (0.6A) for relay protection devices.

Self-Calibration Function: Software self-calibration feature eliminates the need to open the case, ensuring long-term accuracy stability.

Portable PC Connectivity: Connects directly to laptops via USB without extra cables; shares software with industrial computer for seamless operation.

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: ≤0.41h

AI-Powered supplier vetting

SummaryRefine On (Hebei) Electric Power Technology Co., Ltd is a technology-driven enterprise located in Baoding City, China. The company integrates R&D, production, sales, and after-sales service, offering a complete range of electric and testing equipment. It demonstrates strong R&D and customization capabilities but lacks overseas infrastructure and financial strength. Despite its ability to provide ODM and OEM services, its financial records show no profitability, with zero operating revenue and gross margin in recent years. The company has a robust quality assurance process but limited documentation on managing customer complaints.

Supplier typeRefine On is a technology-driven enterprise with integrated R&D, production, sales, and after-sales service, strategically located in a high-tech development zone.

After-Sales capabilityThe supplier offers a comprehensive after-sales service system including debugging, maintenance, repair, equipment installation, and training.

Financial creditThe supplier shows poor financial credibility with no operating revenue, gross margin, or current ratio recorded in recent years.

R&D capabilityThe supplier has introduced new products in the past year and offers ODM services but lacks SDK availability.

Production capacityThe supplier has a diverse production capability, manufacturing a variety of electrical and testing equipment.

Customization capabilityThe supplier provides extensive customization services, ranging from minor to full customization based on samples or designs.

Product Q&A

Q:What types of relays can this tester handle?

It tests traditional relays, protection devices, and modern microcomputer protections, especially for transformer differential protection and standby automatic switching devices.

Q:Does the device support DC output for relays?

Yes, it includes an independent dedicated DC auxiliary voltage source outputting 110V (1A) and 220V (0.6A).

Q:What is the maximum current output capability?

Single-phase output is 0-30A per phase, and three-phase parallel output reaches 0-90A with the same phase.

Q:How does the device ensure system stability?

It features a Windows XP system with a recovery function to prevent crashes from illegal shutdowns, plus software self-calibration for accuracy.

Q:Is the device portable and easy to operate?

Yes, it connects to laptops via USB without extra cables and uses a standard Windows interface with keyboard and mouse support.