Does the device include an emergency stop function?

Yes, it features an emergency stop button to quickly stop load operation in emergencies.

What is the warranty period for this product?

The product comes with a 12-month warranty.

High-Performance TK4710 DC Adjustable Resistive Load Bank 20kW

Name: High-Performance TK4710 DC Adjustable Resistive Load Bank 20kW
Brand: Tunkia Co., Ltd.
SKU: 2164496935

Hunan, ChinaTunkia Co., Ltd.

US$13,000.00-16,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Life Time

Warranty

12 Months Excellent for Service

Model NO.

TK4710

Application

EV charger testing

Power

Electricity

Voltage Output

0-750 V

Current Output

0~120 A

LCD Display

With LCD Display

Customized

Non-Customized

Rated Power

20kW, 30kW, 60kW

Power Cascaded

Support multiple cascades

Communication Interface

RS232

Transport Package

Package for Exporting

Specification

66 kg

Trademark

TUNKIA

Origin

China

Production Capacity

1000

Key features

High Power Capacity: Rated power up to 60 kW with voltage range 0-750 V and current 0-120 A.

Multiple Cascade Support: Supports multiple cascades, e.g., two 60 kW units in parallel for 120 kW total.

EV Charger Testing: Ideal for on-site verification of DC chargers for electric vehicles.

Comprehensive Protection: Features over-voltage, short-circuit, and abnormal wind speed protection with alarms.

Advanced Communication: Equipped with RS232 and CAN-BUS interfaces for data control.

Efficient Heat Dissipation: Top heat dissipation mode with air blast cooling for rapid heat discharge.

Portable Design: Universal rollers at bottom corners for easy movement and fixed positioning.

LCD Display Interface: Includes LCD display with power indication and alarm signal lamps.

Company profile

Tunkia Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2021-10-11 CertifiedNearest Port: Changsha PortAverage Response Time: ≤10.52h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryTunkia Co., Ltd. is identified as a China-based manufacturer established in 2006, with 363 employees and an 8,000 m² manufacturing plant. Its stated products include magnetic and electrical measurement equipment, gaussmeters, and multifunction calibrators. The supplier reports ISO9001, ISO14001, and ISO45001 certifications, nine production lines, 120 years of combined R&D engineer experience, and 11–20 quality-control staff. It serves domestic and overseas markets, with exports representing 21%–30% of sales and reported one-month lead times in both off-peak and peak seasons. Evidence supports manufacturing scale, certification coverage, and technical capability. However, the provided information does not sufficiently establish after-sales service, financial credibility, customization capability, or a broad customer track record.

Supplier typeThe supplier is explicitly classified as a manufacturer, while the associated company information also describes the company nature as a trading company. Its 8,000 m² plant and manufacturing-related business activities support that it operates manufacturing capabilities, although the supplied classifications are not fully consistent.

CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates, plus other unspecified certifications. This is explicit evidence of multiple quality, environmental, and occupational-health-and-safety certifications.

R&D capabilityThe supplier’s product scope includes magnetic measurement, electrical measurement, gaussmeters, and multifunction calibrators, and it reports 120 years of total R&D engineer experience. These details support technical and product-development capability, although no patent, new-product, or R&D investment data is provided.

Production capacityThe supplier reports an 8,000 m² manufacturing plant, 363 employees, nine production lines, and one-month lead times in both off-peak and peak seasons. These figures provide explicit evidence of established production capacity and stated delivery capability.