3-Phase Relay Protection Tester with Transformer Differential Protection and Self-Transfer Device

Name: 3-Phase Relay Protection Tester with Transformer Differential Protection and Self-Transfer Device
Brand: Wuhan Hertz Power Equipment Co., Ltd
SKU: 2171573575

Hubei, ChinaWuhan Hertz Power Equipment Co., Ltd

US$8,357.00-9,642.85

1 Piece

Product profile

Customization

Available

After-sales Service

24-Hour Online Service

Warranty

One Year

Model NO.

HZJB-330S

Max Diameter of Workpiece

Mass Scope of Workpiece

<900kg

Type

Relay Protection Tester

Maxcapacity

<1000KN

Accuracy Grade

0.2

Load Way

Electronic Load

Loading Method

Static Load

Display

Digital

Control

Computer Control

Weight

0-100Kg

Power Source

AC220V

Oil Cylinder Position

Model No.

Hzjb-330s

Instrument Weight

8.5kg

Phase

Three

Work Power

110V-400V Adjustable

Line Voltage Range

0--250V

Work Temperature

-10°C~ 50°C

Environment Humidity

≤90%Rh

Power Frequency

50±1Hz

Power

AC220V ± 10% 50Hz 10A

3-Phase in Parallel Output

0~120A

Time Range

1ms--9999s

Adapter Power Supply

Charger 24V/2A

Switching Input Terminal

8 Pairs

Transport Package

Wooden Box with Foam

Specification

308*153*220mm

Trademark

HZRTZ POWER

Origin

Wuhan, China

HS Code

9024800000

Production Capacity

500sets/Month

Key features

Transformer Differential Protection: Specialized testing for transformer differential protection and auto-reclosing devices.

High Precision Accuracy: 0.2 accuracy grade with 16-bit DAC output for high-density sine wave generation.

GPS Synchronization: Optional built-in GPS card for synchronized off-site testing via RS232 port.

Windows XP Interface: Friendly man-machine interface with 10.4-inch LED display and system recovery function.

USB Direct Connection: Communicates directly with PC via USB without any adapter lines.

Independent DC Source: Outputs 110V (1A) and 220V (0.6A) for relay or protection device power supply.

Software Self-Calibration: Avoids manual potentiometer adjustment, greatly improving accuracy stability.

Comprehensive Standards: Meets GB/T7261-2016 and DL/T624-2010 national standards for relay protection.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExhibition ExperienceManagement Certification

Wuhan Hertz Power Equipment Co., Ltd

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples CertifiedNearest Port: Wuhan Port, Shenzhen Port, Shanghai PortAverage Response Time: ≤2.66h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryWuhan Hertz Power Equipment Co., Ltd. is an electrical and power equipment manufacturer, seller, repair provider, and technical service supplier based in Wuhan, China. It holds ISO9001:2015 and ISO14001:2015 certificates, reports available SDK capability, design-based customization, four production lines, inventory capability, and documented finished-product inspection instructions. Its stated product output includes cable fault locators, transformer oil hipot testers, relay protection testers, power frequency test devices, and series resonance AC test sets. The supplier exports primarily to North America, with exports representing 51%–70% of total sales and seven years of export experience. However, it reports no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, no outsourcing SOP, and no continuous quantity reconciliation for each batch. Evidence of customer cases and after-sales execution is insufficient.

Supplier typeThe supplier is identified as a China-based manufacturer and seller of instruments, electrical and power equipment, and mechanical equipment, with repair, research and development, software, and technical service activities. Its registered and physical addresses are the same Wuhan location, supporting classification as an equipment manufacturer and technical-service provider.

CertificationsThe supplier reports holding ISO9001:2015 and ISO14001:2015 certificates. These explicitly demonstrate quality-management and environmental-management certification, although no certificate scope or validity dates are provided.

R&D capabilityThe supplier reports available SDK capability and includes equipment research and development, software development, technology development, consultation, and technical exchange in its scope. These facts support technical-development capability, but no R&D investment, patent, product-development record, or engineering-team scale is provided.

Production capacityThe supplier reports four production lines, inventory capability, and stated annual product outputs across five categories, including 500 cable fault locators, 1,000 transformer oil hipot testers, 1,000 relay protection testers, 800 power frequency test devices, and 500 series resonance AC test sets. Capacity controls have weaknesses: there is no valid manufacturing-capacity contract with related subcontractors, no continuous batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityThe supplier explicitly reports customization from customer designs. This is direct evidence of design-based customization capability, although the available information does not specify engineering scope, tooling capability, lead times, or customization limitations.