TRANSFORMERS & ELECTRICAL COMPONENTS
APPLICATION / 01
Industrial substations
For incoming, outgoing and associated substation circuits requiring 40.5 kV-class equipment.
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Product illustration. Actual configuration varies by specification.
Open product image ↗Medium-voltage Switchgear
KYN61-40.5 · Metal-clad withdrawable switchgear
Indoor metal-clad withdrawable switchgear for 40.5 kV-class distribution.
- Voltage designation
- 40.5 kV
- 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 KYN61-40.5 fits
KYN61-40.5 is indoor metal-clad withdrawable switchgear for receiving, distributing, controlling and protecting power in a 35 kV network context. Its breaker-truck arrangement, cable compartment and secondary systems are selected as part of the feeder configuration.
APPLICATION / 02
Power receiving and distribution
For projects specifying withdrawable switchgear with defined breaker duty, protection and monitoring functions.
PRODUCT ENGINEERING
Construction & operating functions
DETAIL / 01
Assembled metal cabinet
The cabinet uses formed aluminium-zinc-coated panels joined by bolts or rivets. The assembled structure is coordinated with the selected primary equipment and compartment arrangement.
DETAIL / 02
Withdrawable breaker truck
The design supports specified breaker-truck configurations. The breaker reference, truck interface and ratings should be agreed as a matched assembly.
DETAIL / 03
Cable compartment
Cable space is an important feature of the arrangement. Cable number, size, termination type and bending requirements should be supplied for the layout review.
DETAIL / 04
Interlocking functions
The design includes interlocking associated with truck movement, earthing and access to live compartments. The selected operating scheme and supplied instructions define the actual arrangement.
DETAIL / 05
Condensation and ventilation
Heaters and additional ventilation are discussed for environmental control. Specify ambient conditions and auxiliary supplies so these provisions can be included appropriately.
DEFINE THE SELECTED ASSEMBLY
Configuration & installation interfaces
Match the installation drawing, cable routes, clearances and electrical duty for the selected equipment.
Illustrative working scene- Main circuit
- Provide bus scheme, feeder duty, operating current and fault level.
- Breaker and secondary system
- Identify breaker configuration, control voltage, protection functions and required signals.
- Site environment
- Provide room conditions, altitude, ventilation and any condensation exposure.
Installation & connection checklist
- Supply the room layout and installation clearances.
- Identify cable terminations, entry direction and cable-compartment needs.
- Request busbar interfaces and extension arrangements for an existing lineup.
- For replacement, include truck dimensions, secondary plug and original breaker reference.
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 KYN61-40.5
- 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
- Supply the room layout and installation clearances.
- Identify cable terminations, entry direction and cable-compartment needs.
- Request busbar interfaces and extension arrangements for an existing lineup.
- For replacement, include truck dimensions, secondary plug and original breaker reference.
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.
Related catalogue series
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Voltage designation: 40.5 kV
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Voltage designation: 24 kV
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Voltage designation: 12 / 24 kV
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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.