TRANSFORMERS & ELECTRICAL COMPONENTS
APPLICATION / 01
Industrial and building distribution
For factories, high-rise buildings and substations using a fixed indoor switchgear arrangement.
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Product illustration. Actual configuration varies by specification.
Open product image ↗Medium-voltage Switchgear
XGN66-12(Z) · Fixed metal-enclosed switchgear
Compact fixed indoor metal-enclosed switchgear for distribution and control.
- Voltage designation
- 12 kV model class
- Selection
- Rated current, fault duty and circuit arrangement
Price on enquiry · Configuration, quantity & destination
Supply scope, manufacturer information, applicable documents and warranty arrangements are confirmed in the quotation and order.
APPLICATION & DUTY
Where XGN66-12(Z) fits
XGN66-12(Z) is fixed indoor metal-enclosed switchgear for receiving, distributing, controlling and monitoring electrical power. The cabinet construction places the breaker within a fixed assembly with isolation, earthing and mechanical-interlock arrangements.
APPLICATION / 02
Switching stations
For schemes combining distribution cabinets and ring-main functions within an agreed system layout.
PRODUCT ENGINEERING
Construction & operating functions
DETAIL / 01
Welded cabinet frame
The cabinet uses a welded steel frame. The breaker compartment is positioned within the central/lower part of the arrangement, with access defined by the cabinet layout.
DETAIL / 02
Vacuum-breaker configuration
A VS1-type breaker arrangement is described. The precise breaker, operating supply and circuit ratings must match the selected feeder duty.
DETAIL / 03
Isolation and interlocking
Rotary isolation and mechanical interlocking functions are part of the design. The operating arrangement should be specified and reviewed with the primary scheme.
DETAIL / 04
Observation and earthing
Observation windows and an earthing system are included in the construction description. These features should be identified on the selected cabinet drawing.
DETAIL / 05
Pressure-relief arrangement
A pressure-relief path is described for the assembly. Room and lineup planning should account for the selected enclosure arrangement.
DEFINE THE SELECTED ASSEMBLY
Configuration & installation interfaces
Match the installation drawing, cable routes, clearances and electrical duty for the selected equipment.
Illustrative working scene- Feeder requirement
- Provide voltage class, current, fault level and circuit function.
- Secondary equipment
- Specify protection, metering, CT/PT data and control supply.
- Cabinet layout
- Identify cable entry, lineup arrangement and required operating access.
Installation & connection checklist
- Send room and cable-route drawings.
- For repairs, identify breaker and mechanism versions.
- Confirm busbar interface for extensions.
- Request the complete selected assembly and wiring drawings.
Drawings & configuration documents
Send your selected rating and installation requirements to request the matching dimensional drawing, connection details and technical schedule.
DOCUMENTS · DELIVERY · SUPPORT
Technical coordination & after-sales enquiries
Confirm the order documents
Agree the selected specifications, applicable drawings, inspection records and identification requirements in the quotation and order.
Coordinate delivery
Include quantity, destination, packing requirements and preferred trade terms. Confirm transport scope and the requested delivery schedule with the quotation.
Request technical support
For an existing unit, provide its model, nameplate or order reference and a description of the issue. Include relevant photos or records already available. Warranty and service scope follow the agreed order terms.
Contact about this model ↗START WITH WHAT YOU HAVE
Prepare a quotation for this equipment.
Choose your enquiry type. Start with the information you have.
Price on enquiry
Quotations are prepared for the selected configuration, quantity and destination. Currency, validity, delivery terms, freight and any applicable duties or taxes are specified in the quotation.
Project procurement
New installations & project tenders
Discuss a project ↗What to prepare
Provide voltage, fault duty, circuit schedule and required protection scheme.
Distributor procurement
Model lists & repeat orders
Discuss supply requirements ↗What to prepare
List circuit configurations, ratings, preferred components and destination documentation needs.
Panel & equipment builders
Equipment integration & matching
Discuss an assembly ↗What to prepare
Send the line-up layout, bus interfaces, breaker specification and secondary wiring requirements.
Repair & replacement
Identify an existing unit or part
Identify a replacement ↗What to prepare
Provide the existing panel and breaker details, dimensions, plug connections and interlocks.
Illustrative enquiry scenarios.
Selection checklist for XGN66-12(Z)
- System voltage, frequency, rated current and prospective fault level
- Bus arrangement and incoming/outgoing circuit schedule
- Breaker or load-switch duty, protection and control supply
- Cable terminations, room layout, access and expansion requirements
- Send room and cable-route drawings.
- For repairs, identify breaker and mechanism versions.
- Confirm busbar interface for extensions.
- Request the complete selected assembly and wiring drawings.
From enquiry to an agreed supply
- Share the requirementModel, duty, quantity and destination.
- Review the configurationResolve ratings, interfaces and site conditions.
- Agree the technical scheduleScope, drawings, tests, price and delivery terms.
- Confirm delivery documentsAgree packing, identification and the applicable inspection records.
Testing, warranty terms and after-sales scope are to be agreed in the quotation and order documents for the selected configuration.
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Mingkong High & Low Voltage Switchgear Selection Guide · Updated 24 October 2026 · Chinese / English
For a quotation, include your required model, rating, quantity and operating conditions.