What are the accepted payment terms and currencies?

Accepted payment types include T/T, L/C, PayPal, Western Union, and small-amount payments. Currencies accepted are USD, EUR, and CNY.

What is the lead time for production?

The average lead time is one month for both peak season and off-season.

Can the device handle high power output?

Yes, the max output power is 450 VA per phase and 900 VA for 3-phase parallel, with a max permitted time of 10 seconds for parallel output.

Djb-421 Comprehensive Three Phase Relay Testing Kit for Power System Diagnostics Intelligent Voltage Withstand Testing Equipment

Name: Djb-421 Comprehensive Three Phase Relay Testing Kit for Power System Diagnostics Intelligent Voltage Withstand Testing Equipment
Brand: Shanghai Demiks Electric Power Technology Co., Ltd.
SKU: 2285118195

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 multiple sets across different locations.

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 for versatile testing.

Wide Frequency Coverage: Fundamental frequency range of 0-1000Hz 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 to withstand harsh on-site testing 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 date of receipt and use). Additionally, the manufacturer offers life-long paid maintenance services.

Q:What are the maximum output current specifications?

The phase current (RMS) is 0-40A, and the 3-phase parallel current (RMS) is 0-120A. The long-time phase current is 10A.

Q:Does the device support synchronous testing?

Yes, the device can be equipped with a built-in GPS synchronous card. It connects to a PC via RS232 to achieve synchronous testing of two sets in different locations.

Q:What is the frequency range and harmonic capability?

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. Our equipment is ISO-9001 certified.