Powered by Made-in-China.com
High Reliability Outdoor 72.5kv Power Frequency Tested Hv Isolator Switch
US$1,500.00
1 Piece
Sample price:US$1500.00/piece.Request sample
Product profile
Customization
AvailableType
High-voltageStructure
Double-column DisconnectorModel NO.
GW4-72.5Installation
Outdoor High-voltageOperation
Manual and ElectricGrounding Mode
GroundingMovement Mode
Horizontal Rotary TypeNumber of Poles
Three PoleGrounding
Double GroundSeries
OtherRun
OtherSwitching Mode
Double-Throw TypeCommon Model
Gw4-72.5Structure of Operating
OtherCertification
ISO, CE, IS9001Product Name
Isolator SwitchService
OEM/ODMWarranty
12 MonthsCustomize
YesRated Voltage
72.5kv1min Power Frequency Withstand Voltage
to Earth : 140kv Fracture : 160kvLightning Surge Withstand Voltage
to Earth : 325kv Fracture : 375kvRated Frequency
50HzRated Current
400/630/1000/1250/1600/2000/3150/4000A4s Short-Time Withstand Current
16/20/31.5/40/50kaPeak Withstand Current
40/50/63/80/100/125kaMechanical Lifespan
2000timesTransport Package
Wooden Crate PackagingSpecification
customizeTrademark
HaiRuiOrigin
Zhejiang ChinaKey features
High Voltage Rating: Rated voltage of 72.5kV with 140kV to earth withstand voltage.
Dual Grounding System: Features double grounding mode for enhanced safety and stability.
Long Mechanical Lifespan: Designed for 2000 mechanical operations with high reliability.
Comprehensive Certifications: Certified by ISO, CE, and IS9001 standards for quality assurance.
Flexible Current Options: Available rated currents from 400A to 4000A to suit various needs.
OEM/ODM Customization: Full customization available for parameters, size, and protection levels.
12 Months Warranty: Comes with a 12-month warranty period for peace of mind.
Manual and Electric Operation: Supports both manual and electric operation modes for versatility.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2025-12-06 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.06h
AI-Powered supplier vetting
SummaryThe supplier presents itself as a professional technical manufacturer with production equipment, standardized finished-product inspection, quality assurance, material traceability, 3D design, and broad customization capabilities. It reports OEM and ODM services and exports representing 51%–70% of total sales. However, the evidence also shows no new products in the past year, no SDK, no overseas agents, branches, warehouse, or showroom, and no participation in offline trade shows. Corrective-action and complaint-handling procedures exist but lack written records. Supplier-management controls are weak because there are no written assessment procedures or approved supplier lists, and no valid manufacturing-capacity contract with related subcontractors is reported. Financial credibility cannot be positively assessed from the provided figures, which are stated as zero for the reported periods.
Supplier typeThe supplier is explicitly identified as a professional technical supplier and reports R&D capability, 3D software design services, manufacturing equipment, and export activity of 51%–70% of total sales. These details support classification as a technical manufacturing supplier with international sales exposure.
CertificationsThe supplier states that it is certified to ISO 9001 and ISO 9002 quality management systems and claims recognition as a National High-Tech Enterprise and a Top 10 Well-Known Brand of Prefabricated Substations. The certification wording contains apparent transcription errors, so the stated certifications are evidence of claimed quality credentials but not independently verified here.
Production capacityThe supplier reports technical expertise, production facilities, advanced manufacturing processes, and equipment including machining, bending, assembly, cutting, laser cutting, welding, electrical leakage testing, and a partial-discharge lightning test laboratory. It also has inventory capability, standardized finished-product inspection instructions, and one-month average lead times in both peak and off-season periods. Nevertheless, no valid contract with related subcontractors is reported, creating a documented capacity-management concern.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, and minor customization, supported by 3D software design services and ODM capability. This demonstrates broad stated customization coverage.
Product Q&A
Q:Does it support OEM/ODM customization?
A:
Yes, we support customized services, including parameter adjustments for power, size, input/output voltage,protection level (IP level), working environment (such as explosion-proof, high temperature resistance), and providetechnical solution design.
Q:Can you provide technical document support?
A:
Yes, English manuals, product certificates, test reports, wiring diagrams, and other documents are provided with thegoods, and we can assist customers in completing the necessary documents for import customs clearance.
Q:Where are you? Can I come see you?
A:
Of course, you are welcome to visit our factory anytime
Send Inquiry
*To:
Zhejiang Hairui Electric Co., Ltd.
Zhejiang Hairui Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Corrosion Resistant Outdoor 72.5kv High Voltage Power Isolator Switch
US$1,500.00
1 Piece(MOQ)
Dgg Substation Hv Isolator High Voltage Isolation Switch for Industrial Power Systems
US$60.00-120.00
1 Piece(MOQ)
High Precision 252kv Outdoor High Voltage Power Frequency Withstand Isolator Switch
US$6,000.00
1 Piece(MOQ)
Gw9 -12/630 Series Hv Outdoor High Voltage Disconnect /Switch Isolator
US$1,100.00
1 Piece(MOQ)
Outdoor Gw4 Series High Voltage Disconnector / Isolator Switch 72.5kv 110kv 126kv 145kv 2500A
US$200.00-350.00
10 Pieces(MOQ)
Ceramic Type Gw9-12kv/630A Outdoor Hv Disconnect Isolator Switch
US$19.88-99.98
300 Pieces(MOQ)
Outdoor High Voltage Disconnecting Switch/ Isolator Power
US$200.00
1 Piece(MOQ)
Outdoor Medium High Voltage Isolator Power Distribution Isolating Disconnect Load Break Switch
US$45.00-65.00
10 Pieces(MOQ)
Gw4-40.5, 126, 252 (D) (W) High Voltage Disconnect Power Isolator Switch in Outdoor
US$190.00
50 Pieces(MOQ)
Outdoor Single Phase High Voltage Air Load Break Isolator Disconnect Switch for Power Distribution
US$45.00-65.00
10 Pieces(MOQ)
Porcelain Material Electrical DC Rotary Isolator Disconnect Switch for Power Frequency Protection
US$45.00-65.00
10 Pieces(MOQ)
High Performance Solar DC Isolator Switch with 2 Pairs Mc4 Connectors for Solar Power System
US$10.00-50.00
1 Piece(MOQ)



















