Powered by Made-in-China.com
Fn8-40.5 Medium Voltage Breaker AC Electrical Gis Power Mv Switchgear Smart Circuit Breaker
US$3,000.00
5 Pieces
Product specifications
Current level
Product profile
Customization
AvailableBreaking Capacity
High Voltage Circuit BreakersOperation
Manual TypeSpeed
High-Speed Circuit BreakerArc-extinguishing Medium
SF6Installation
FixedStructure
ACBPoles Number
2Type
Circuit BreakerFunction
Circuit-Breaker Failure ProtectionCertification
ISO 9001:2015Product Name
Indoor High Voltage AC Sf6 Circuit BreakerRated Voltage
40.5kvFrequency
50HzRated Current
1250A/2500A/3150ATransport Package
Wooden BoxSpecification
CustomizedTrademark
JinhuilongOrigin
ChinaProduction Capacity
1 Set / 10 DaysKey features
SF6 Insulation Technology: Uses SF6 gas with advanced thermal expansion and pressure-assisted gas-blowing for arc-quenching.
High Breaking Capacity: Rated short-circuit breaking current up to 31.5kA with excellent capacitive current switching.
Flexible Installation Types: Supports both fixed and draw-out types for standard 40.5kV switchgears.
Comprehensive Safety Features: Includes anti-misoperation interlocks, SF6 low-pressure alarm, lockout, and pressure relief devices.
Wide Application Scope: Suitable for power grids, substations, power plants, new energy, and industrial systems.
High Mechanical Endurance: Mechanical endurance of 10,000 times with 20 short-circuit current breaking times.
Dual Operation Modes: Features spring operating mechanism supporting both manual and electric operation.
Strict Quality Control: 100% inspection including functional and visual checks before shipment.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shantou PortAverage Response Time: ≤0.13h
AI-Powered supplier vetting
SummaryGuangdong JinhuiLong Electric Co., Ltd. is described as a comprehensive manufacturer of power transmission and distribution equipment, integrating R&D, production, sales, and service. It offers extensive customization and ODM services, reports new products within the past year, and has an available SDK. Its production scope covers high- and low-voltage switchgear, prefabricated substations, GIS, and related components, supported by digital intelligent manufacturing and testing equipment. Quality systems include written inspection instructions, quality assurance, complaint procedures, corrective and preventive action procedures, and raw-material traceability. The supplier reports relationships with universities and enterprises including Shanghai Electric, Siemens, and ABB, but the slices do not establish these as customer cases. It does not provide OEM services for popular brands and reports zero countries with overseas services. Financial credibility, formal certifications, and the adequacy of its...
Supplier typeThe supplier is explicitly described as a large-scale comprehensive manufacturer integrating R&D, production, sales, and service, with a business scope covering power equipment maintenance, testing, installation, and charging or swapping infrastructure. Its stated product range includes high-voltage and low-voltage switchgear, prefabricated substations, and GIS equipment.
After-Sales capabilityThe supplier reports a clear customer-complaint procedure with records, corrective and preventive action procedures, nationwide coverage through thirteen regional sales centers and liaison stations, and service-related business activities. However, it reports zero countries offering overseas services, indicating that international service coverage is not demonstrated.
R&D capabilityThe supplier reports R&D integration, at least one new product within the past year, ODM services, an available SDK, relationships with universities and industry enterprises, and advanced digital intelligent manufacturing equipment. These statements provide explicit evidence of active R&D and development capability.
Production capacityThe supplier states that it operates advanced digital intelligent manufacturing production lines and complete production and testing equipment, with a broad product scope covering 3–35 kV equipment and low-voltage switchgear up to 0.66 kV. Its inspection instructions are reportedly written and uniformly followed, supported by quality assurance and raw-material traceability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, demonstrating a broad stated ability to adapt or develop products for customer requirements.
Product Q&A
Q:What main electrical products do you supply?
A:
We mainly supply LV/MV (0.4kV-40.5kV) distribution cabinets, circuit breakers, box substations, pole mounted switches and related electrical supporting parts.
Q:Do you accept OEM/ODM?
A:
Yes, we do. Our professional engineering team can customize products according to your drawings or specific requirements.
Q:What's your MOQ?
A:
Our MOQ is one set. We welcome small trial orders for your initial cooperation.
Q:What's the delivery time?
A:
It depends on your order quantity and specifications, and it normally takes about 15-20 working days.
Q:How do you ensure product quality?
A:
We have a strict QC team and complete testing process. Every product will be fully tested before shipment, and we can provide test photos/videos if you need.
Send Inquiry
*To:
Guangdong Jinhuilong Electric Co., Ltd.
Guangdong Jinhuilong Electric Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
24kv 1250A Gis AC Circuit Breaker for Industrial Power Grids
US$2,300.00-2,400.00
1 Piece(MOQ)
Zn85-40.5/31.5 High Voltage Moulded Case Circuit Breaker Vacuum Electrical Switch Miniature Contactor Mini Breaker
US$560.00-2,200.00
1 Piece(MOQ)
1p, 2p, 3p, 4p Low Voltage Breakers AC MCB Reliable Electrical Safety Circuit Breaker
US$0.82-0.87
120 Pieces(MOQ)
Outdoor High Voltage Three-Phase Vacuum Circuit Breaker Zw32-40.5 Smart Electrical Control
US$500.00-8,000.00
1 Piece(MOQ)
Dgg Substation Feeder Protection Medium Voltage Electrical Grid Power Distribution Vacuum Circuit Breaker
US$2,000.00-3,500.00
1 Piece(MOQ)
Air Sf6 Electrical Electric Zw7-40.5 Series Outdoor High-Voltage AC Vacuum Interrupter Circuit Breaker
US$3,000.00-10,000.00
1 Piece(MOQ)
Zw7a-40.5 Outdoor High Voltage AC Vacuum Electrical Circuit Breaker
US$500.00-3,500.00
2 Pieces(MOQ)
Compact Medium Voltage Vacuum Circuit Breaker with Low Power Consumption for Industrial Electrical Systems
US$500.00-3,500.00
1 Piece(MOQ)
Vs1-24kv Indoor Zn63 Vacuum Circuit Breaker High Voltage Electric Vcb Power Breakers
US$600.00-4,500.00
1 Piece(MOQ)
Zw7-40.5 AC Outdoor High Voltage Vcb Vacuum Circuit Breaker
US$1,500.00-2,000.00
1 Piece(MOQ)
Factory Price High/Medium Voltage Vacuum Mv Vcb Gas Insulated Vacuum Circuit Breaker
US$500.00-1,500.00
1 Piece(MOQ)
Vacuum Circuit Breaker Mini Contactor High Voltage Moulded Case Electrical Switch Miniature Breaker
US$560.00-2,200.00
1 Piece(MOQ)
Air Low Voltage Breakers Singi Electrical Circuit Breaker DC Swm1
US$8.00-20.00
2 Pieces(MOQ)
Zw7 Air Sf6 High Voltage Electric Electrical Series Outdoor Hv AC Automatic Recloser Vacuum Circuit Breaker
US$1,500.00-10,000.00
1 Piece(MOQ)
Zn63A 10kv 11kv 12kv Power Vacuum Breaker Manual Electrical Vacuum Circuit Breaker
US$300.00-800.00
1 Piece(MOQ)
Zn63A 10kv 11kv 12kv Power Vacuum Breaker Manual Electrical Vacuum Circuit Breaker
US$300.00-800.00
1 Piece(MOQ)
Air Zw7 Series Outdoor High-Voltage AC Electrical Electric Vacuum Interrupter Circuit Breaker
US$1,500.00-10,000.00
1 Piece(MOQ)



















