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HV SWITCHGEAR

HV Switchgear
KYN28A / Ring Main Unit / C-GIS

Metal-clad withdrawable, ring main units, gas-insulated and solid-insulated lines — 10kV / 35kV with full five-point interlocking.

Short answer: Pengbian Electric builds 10kV/35kV HV switchgear — KYN28A-12 and KYN61-40.5 metal-clad, XGN / HXGN ring main units, C-GIS and solid-insulated types — typically delivered in 20–35 days.
Yueqing oil-immersed transformer S13 on the production line
Yueqing compact substation, European type
Yueqing HV/LV switchgear KYN28A assembly
01 / SPECIFICATIONS

Specifications

Standard range shown below; the technical agreement and factory test report take precedence.

ItemRange / Notes
ModelsKYN28A-12, KYN61-40.5, XGN15-12, XGN66-12, HXGN□-12, C-GIS, eco-friendly, solid-insulated
Rated voltage12kV / 40.5kV
Rated current630 / 1250 / 1600 / 2000 / 2500 / 3150 A
Rated short-circuit breaking current20 / 25 / 31.5 / 40 kA
Rated short-time withstand20 / 25 / 31.5 / 40 kA (4s)
Rated peak withstand50 / 63 / 80 / 100 kA
Insulation mediumAir (standard) / SF₆ (C-GIS) / dry air (eco) / epoxy cast (solid)
ProtectionIP4X inside the cubicle / IP54 gas compartment
StandardsGB/T 3906, GB/T 11022; IEC 62271-200 for export
InterlockingMechanical five-point interlock: breaker — disconnector — earthing switch — door
02 / TYPES

The four product lines

ModelTypeApplication
KYN28A-12Metal-clad withdrawable10kV substations, switching stations, industrial plants
KYN61-40.5Metal-clad withdrawable35kV substations and customer stations
XGN15-12 / XGN66-12Fixed / ring mainHV side of compact substations, branch feeders
HXGN□-12Ring main unitUrban distribution, park ring networks
C-GISGas insulatedCramped rooms, high humidity, underground stations
Eco-friendly typeDry-air insulatedSF₆-free tenders, European export
Solid-insulated typeEpoxy cast polesMaintenance-free, compact switch rooms
Selection starts with three numbers: voltage class, busbar rated current and short-circuit breaking capacity. Then the cubicle type (metal-clad / ring main / gas) and the protection scheme. Send the single-line diagram and we configure to it.
03 / LEAD TIME

Lead time

TypeLead timeConditions
Standard configuration20–35 daysDrawing confirmed, cubicle production scheduled
With imported breakers30–45 daysLead time of VD4 / 3AE / HVX
Custom / export30–45 daysSpecial protection, IEC standard, English nameplate
04 / FAQ

Frequently asked questions

Metal-clad or ring main unit?
Choose metal-clad (KYN28A) where you need breaker protection, many outgoing circuits and a separate LV compartment. Choose a ring main unit for incoming/outgoing and transformer protection only — smaller footprint, lower cost.
Why is C-GIS more expensive?
The cost is in the sealed gas compartment and SF₆ insulation. Volume is about one third of an air-insulated cubicle, which suits underground stations, humid or polluted sites and cramped rooms. Maintenance needs specialist equipment.
Is the eco-friendly type really SF₆-free?
Yes — dry-air insulation with vacuum interruption, GWP of zero, for tenders with SF₆ restrictions and for European export.
Can you supply 35kV?
Yes — KYN61-40.5 covers 35kV (40.5kV highest voltage for equipment). We do not go above 35kV; for higher levels a main-transformer maker is the better fit.
What is the lead time?
20–35 days standard; 30–45 days with imported breakers or special protection.

Send the parameters, price within 24 hours

Tel / WeChat +86 189 6972 3308　Email cnpengbian@126.com

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