What after-sales services are provided?

We provide a one-year warranty and guarantee life-long paid maintenance services for the product.

What is the minimum order quantity?

The minimum order quantity is 1 Set.

What are the accepted payment terms?

Accepted payment types include T/T, L/C, LC, D/P, PayPal, Western Union, and Small-amount payment. Currency options are USD, EUR, and CNY.

Demiks Djb-421 Three Phase Relay Test Kit Intelligent Voltage Withstand Testing Machine

Name: Demiks Djb-421 Three Phase Relay Test Kit Intelligent Voltage Withstand Testing Machine
Brand: Shanghai Demiks Electric Power Technology Co., Ltd.
SKU: 2268671645

Shanghai, ChinaShanghai Demiks Electric Power Technology Co., Ltd.

US$3,000.00-4,000.00

1 Set

Product specifications

model number

Product profile

Customization

Available

Certification

ISO9001, CE

Protection

Shock Resistance

Model NO.

DJB-421

3-Phase Parallel Current (RMS)

0~120 a

Long-Time Phase Current

10 a

Max. Output Power (Phase)

450 Va

Max. Output Power (3-Phase Parallel)

900 Va

Max. Permitted Time (3-Phase Parallel)

10 S

Frequency Range (Fundamental)

0~1000 Hz

Transport Package

Wooden Box

Trademark

DEMIKS

Origin

Shanghai

Key features

High Precision Output: 0.2% precision with 16-bit DAC output and high-density sine wave generation.

GPS Synchronous Testing: Built-in GPS card allows synchronous testing of devices in different locations via RS232.

Robust Hardware Design: DSF+FPGA structure with high fidelity linear power amplifier for stability and accuracy.

User-Friendly Interface: Classic Windows XP interface with recovery function to prevent system crashes.

Comprehensive Current Range: Phase current 0-40A, 3-phase parallel current up to 120A RMS.

Wide Frequency Range: Fundamental frequency range of 0-1000 Hz with harmonic support up to 20 times.

ISO 9001 Certified Quality: Manufactured under ISO-9001 standards ensuring superior reliability and performance.

Shock Resistant Protection: Designed with shock resistance protection for durability in field environments.

Company profile

Experienced TeamSelf-brandedFast DeliveryQuality Assurance

Shanghai Demiks Electric Power Technology Co., Ltd.

Shanghai, China

Business Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedExport Year: 1 Year CertifiedNearest Port: Shanghai PortAverage Response Time: ≤3.25h CertifiedTerms of Payment: LC, D/P, T/T, etc.

AI-Powered supplier vetting

SummaryThe supplier operates in power transmission, distribution, monitoring, control, electrical equipment, instruments, software, and related technical services. It reports more than 22 years of core-team development and nationwide recognition, while export activity began one year ago and exports represent 51%–70% of sales. The supplier provides extensive customization and 3D software design services, but reports no new products in the past year and has only one R&D engineer. Quality-related certifications include ISO 9001:2015 and CE. Quality assurance is stated, although finished products are checked by packing staff, and no written corrective-action or complaint-handling procedures are reported. The supplier has no stated inventory, overseas warehouse, or overseas showroom capability. No Fortune 500 cooperation is reported, and the available financial figures are not sufficient for assessment.

Supplier typeThe supplier is positioned as a power and electrical equipment provider, with business scope covering power transmission and distribution equipment, intelligent monitoring and control equipment, instruments, electrical components, technical services, repairs, and related software and hardware. The core team is reported to have more than 22 years of development experience, indicating an established industry focus.

CertificationsThe supplier reports an ISO 9001:2015 management-system certificate and CE product compliance certification. These certifications provide explicit evidence of formal quality-management and product-compliance credentials.

After-Sales capabilityThe supplier reports no written procedures or records for corrective and preventive actions or effective customer-complaint handling. It also reports no inventory capability, overseas warehouse, or overseas showroom, limiting documented after-sales and overseas service support.

R&D capabilityThe supplier has technical development and R&D-related business scope and provides 3D software design services, but it reports no new products during the past year and only one R&D engineer. The evidence shows some technical capability but does not demonstrate strong recent product innovation.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also provides 3D software design services. These statements directly support broad customization capability.

Product Q&A

Q:What is the warranty period for the DJB-421?

We provide a one-year warranty (12 months from the time the customer receives and uses the machine).

Q:Does the device support synchronous testing?

Yes, the device can be built with a GPS synchronous card and connected to a PC via RS232 to achieve synchronous testing of two test sets in different places.

Q:What are the maximum output current specifications?

The phase current (RMS) is 0-40 A, and the 3-phase parallel current (RMS) is 0-120 A.

Q:What is the frequency range of the output?

The fundamental frequency range is 0-1000 Hz, and it supports harmonic times up to 20.

Q:How is the product quality guaranteed?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment.