What certifications does the manufacturer hold?

The company is certified with ISO9001:2015, ISO45001:2018, and ISO14001. All products undergo 100% inspection before shipment.

What are the payment terms and minimum order quantity?

The Minimum Order Quantity is 1 Set. Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the lead time for production?

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

Protection Relay Test Set 3 Phase Microcomputer Relay Protection Tester

Name: Protection Relay Test Set 3 Phase Microcomputer Relay Protection Tester
Brand: Weshine Electric Manufacturing Co., Ltd.
SKU: 1992201145

Hebei, ChinaWeshine Electric Manufacturing Co., Ltd.

US$3,800.00-6,500.00

1 Piece

Product profile

Customization

Available

After-sales Service

24/7. All Time Zones Friendly

Warranty

1 Year

Model NO.

VS-JB900B

Phase Accurrent Output (Effective Value)

0~40A/Phase, Accuracy 0.5%

0~120A/3 Phase Parallel Output in Same Phase

Phase Current Working Value for Allowed

10A

Maximum Output Power of Each Phase

420va

Maximum Output Power of 3 Parallel Curre

900va

900vaavdc Frequency Range

0~1000Hz; Accuracy: 0.001Hz

Harmonic Time

2~20

Phase

0--360°; Accuracy: 0.1°

DC Current Output

0~±30A / Phase, Accuracy:0.5%

Phase AC Vol Output (Effective Value)

0~125V/Phase, Accuracy: 0.5%

Transport Package

Polycrate with Plastic Foam

Specification

455 mm× 530 mm× 220 mm

Trademark

WESHINE

Origin

China Hebei

HS Code

903039

Production Capacity

500 Pieces/Per Month

Key features

Multi-Phase Output Capability: Standard 4-phase voltage and 3-phase current output, with parallel capability up to 120A.

Comprehensive Protection Testing: Tests traditional relays, microcomputer relays, and special transformer differential protection.

User-Friendly Interface: Windows XP OS with 8.4-inch TFT display, industrial keyboard, and mouse for easy operation.

System Stability & Safety: Includes system restore function to prevent crashes from illegal shutdowns or malfunctions.

Full Customization Support: Offers OEM/ODM services with options for sample, design, full, minor, and flexible customization.

Certified Quality Assurance: ISO9001, ISO45001, ISO14001 certified with 100% finished product inspection.

24/7 Technical Support: After-sales service available 24/7 across all time zones with a 1-year warranty.

Company profile

Years of Export ExperienceExhibition ExperienceManagement Certification

Weshine Electric Manufacturing 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: 13 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.13h

AI-Powered supplier vetting

SummaryWeshine Electric Manufacturing Co., Ltd. is identified as a limited-company factory producing testing equipment, with 53 employees and no stated parent group affiliation. It provides multiple customization options and ODM services, and reports OEM service for well-known brands. Service processes, corrective and preventive action procedures, and complaint-handling procedures are documented and supported by records. However, the supplier reports no new products in the past year, no available SDK, no valid manufacturing contracts with affiliated subcontractors, and no overseas warehouse, showroom, agents, or branches. An audit by TUVRHEINLAND is listed, but the provided audit result is coded as “0” without an explanatory interpretation. Financial information is present only as reporting years and contains no assessable financial performance data.

Supplier typeThe supplier is identified as Weshine Electric Manufacturing Co., Ltd., a limited company and factory focused on testing equipment. It is described as a combined company, not an offshore company, and is not part of a larger company group.

After-Sales capabilityThe supplier has written and followed procedures for service assessment, corrective and preventive actions, and customer complaints. It reports in-stock capability and one-month lead times in both peak and off-season, but lacks overseas warehouses, showrooms, agents, and branches, with no overseas service countries stated.

R&D capabilityThe supplier offers ODM services and reports several design-service options, but it had no new products during the past year and has no available SDK. The evidence therefore shows some development-service capability but limited recent innovation evidence.

Production capacityThe supplier is identified as a factory producing testing equipment, has in-stock capability, reports one-month average lead times in both seasons, and lists six qualified suppliers. However, it reports no valid contract between the factory and related subcontractors, creating a documented manufacturing-governance deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, minor customization, and full customization, as well as ODM services. This directly demonstrates broad customization coverage.

Product Q&A

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

The device features standard 4-phase voltage output (0~125V/Phase, Accuracy 0.5%) and 3-phase current output (0~40A/Phase, Accuracy 0.5%). It supports 3-phase parallel output up to 120A.

Q:Does this tester support microcomputer relays and differential protection?

Yes, it is designed to test both traditional relays and modern microcomputer relays, specifically suitable for transformer differential protection and transfer equipment.

Q:What is the warranty period and after-sales service availability?

The product comes with a 1-year warranty. After-sales service is available 24/7, friendly to all time zones.

Q:Is customization available for this product?

Yes, we offer OEM and ODM services. Customization options include customization from samples, designs, full customization, minor customization, and flexible customization.

Q:What operating system and display does the tester use?

It runs on the Windows XP operating system with a classic interface and an 8.4-inch TFT true color display (800x600 resolution) for rich visual information.