What is the response time for voltage and current changes?

The response time is less than 100 microseconds for both voltage rise/fall and current rise/fall.

What is the warranty period for this product?

The product comes with a 1-year warranty and includes after-sales service.

What are the lead times for production?

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

Portable Handheld Relay Test Kit for Power System Protection Commissioning and Maintenance

Name: Portable Handheld Relay Test Kit for Power System Protection Commissioning and Maintenance
Brand: Wuhan Kaidi Zhengda Electric Co., Ltd.
SKU: 2228474295

Hubei, ChinaWuhan Kaidi Zhengda Electric Co., Ltd.

US$3,710.00

1-9 sets

US$3,650.00

10+ sets

Sample price:US$3710.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

1 Year

Model NO.

KDJB-S30

Type

Electric Testing Machine

Accuracy Grade

Tbd

Display

Digital

Control

Manual Control

Weight

2.6kg

Power Source

AC220V

Product Name

Handheld Relay Protection Tester

AC Voltage Output

4 Channels: 0-130V

AC Current Output

3 Channels: 0-10A

Output Frequency

10-500Hz

Digital Inputs & Outputs

2 Channels

Adapter

DC16.8V 5A

Built-in Battery & Battery Life

Built-in Lithium Battery; 8 Hours of Normal Us

Transport Package

Wooden Package

Specification

255x210x78mm

Trademark

KDZD

Origin

Hubei, China

HS Code

9030332000

Production Capacity

500 Set/Sets Per Month

Key features

Comprehensive Relay Testing: Supports manual, state sequence, low-frequency load shedding, synchronization, and harmonic tests.

High Precision Output: AC voltage 0-130V with 0.1% accuracy; AC current 0-10A with 0.1% accuracy and 1mA resolution.

Portable Handheld Design: Weighs only 2.6kg with dimensions 255x210x78mm for easy on-site operation.

Long Battery Life: Built-in lithium battery provides up to 8 hours of normal use without external power.

Fast Response Time: Voltage and current rise/fall times are less than 100 microseconds for rapid testing.

Flexible Frequency Simulation: Output frequency ranges from 10-500Hz, capable of simulating 10th harmonics.

OEM and ODM Services: Customization available from samples or designs with dedicated R&D support.

1-Year Warranty Coverage: Includes comprehensive after-sales service and technical support for one year.

Company profile

Importers and ExportersSelf-brandedQuality Assurance

Wuhan Kaidi Zhengda Electric Co., Ltd.

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 5 Years CertifiedNearest Port: Shenzhen Port.Wuhan Port.Shanghai Port.Guangzhou Port.Average Response Time: ≤1.34h

AI-Powered supplier vetting

SummaryThe supplier demonstrates documented quality, environmental, occupational-safety, service-management, and corrective-action practices. It offers OEM and ODM services, has reported new products within the past year, provides broad customization, and has valid manufacturing contracts with affiliated subcontractors. Export activity, self-operated import/export rights, multiple port options, and stated lead times indicate established international service capability. However, it does not provide 3D software design, has no in-stock service, overseas warehouse, or overseas showroom capability, and the evidence does not establish detailed production scale or financial strength. Customer references are limited to stated export destinations and general customer praise.

Supplier typeThe supplier provides manufacturing and assembling-related services, supports OEM and ODM arrangements, and maintains valid contracts with affiliated subcontractors. It also has self-operated import/export rights, while no evidence identifies it as a trading-only supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, covering quality management, occupational health and safety, and environmental management. These are explicit certifications relevant to supplier qualification.

After-Sales capabilityThe supplier states that it provides comprehensive pre-sale, in-sale, and after-sales service, and it has written procedures and records for service capability assessment, corrective and preventive action, and complaint handling. The evidence supports a documented after-sales process, although it does not quantify response or resolution performance.

R&D capabilityThe supplier reports new products within the past year, offers ODM services, and has an available SDK. These points provide explicit evidence of product-development capability, although the supplier does not provide 3D software design services.

Production capacityThe supplier has an assembling line, two quality assurance and quality control inspectors, standardized finished-product inspection instructions, valid manufacturing contracts with affiliated subcontractors, and stated lead times within 15 workdays in both peak and off-seasons. It lacks in-stock capacity, overseas warehouses, and overseas showrooms, but those limitations do not negate the evidenced manufacturing and delivery capabilities.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also offers OEM and ODM services. This indicates broad product customization capability; the separate lack of 3D software design services is a specific limitation rather than evidence against general customization.

Client casesThe supplier states that its products are exported to Australia, Russia, India, Pakistan, Vietnam, and other countries, and reports customer praise. These are evidence of international market exposure, but no named customer cases, project details, or independently verifiable references are supplied.

Product Q&A

Q:What testing functions does the KDJB-S30 support?

It supports manual testing, state sequence tests, low-frequency load shedding, synchronization, harmonic unit, cross-sampling, and telesignaling tests.

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

AC Voltage: 4 channels, 0-130V (0.1% accuracy); AC Current: 3 channels, 0-10A (0.1% accuracy). Resolution is 1mV for voltage and 1mA for current.

Q:How long does the battery last on a single charge?

The built-in lithium battery provides up to 8 hours of normal use.

Q:Is the device portable and how much does it weigh?

Yes, it is a handheld unit weighing 2.6kg with dimensions of 255x210x78mm.

Q:Can this device be customized for specific needs?

Yes, OEM and ODM services are available, including customization from samples or designs.