Ring Main Unit vs Metal-Clad Switchgear (KYN28): Choosing MV Switchgear for a Distribution Substation
Compare RMUs and metal-clad KYN28 switchgear on IEC 62271-200 classes, fault levels, extensibility, protection and cost.
· 9 min readHV & LV Switchgear
Built for indoor substations and industrial facilities, this high-grade 12kV switchgear combines armored, metal-clad construction with a withdrawable…
| Parameter | Value |
|---|---|
| Product Type | Indoor Armored Withdrawable Metal-Clad Switchgear (KYN28A-12) |
| Rated Voltage | 12 kV |
| Rated Current | 4000 A |
| Frequency | 50 / 60 Hz |
| Protection Level | IP30 / IP32 / IP40 / IP65 / IP66 |
| Material | Galvanized Steel |
| Application | Electric Power Transmission, Power Distribution |
| Certification | ISO9001, Test Report |
These figures reflect the product data supplied to us. Final dimensions, materials, colors, and packaging depend on the sample and order that get confirmed.
Designed and tested to ISO9001, Test Report. Millenium production is certified to ISO 9001, ISO 14001 and ISO 45001; the product family carries CE (ECM), UDEM attestation and an EAC declaration of conformity. Every unit passes routine factory tests before dispatch.
Built for indoor substations and industrial facilities, this high-grade 12kV switchgear combines armored, metal-clad construction with a withdrawable circuit-breaker truck for electric power transmission and distribution work. It runs at 12kV and 4000A, wrapped in a galvanized steel enclosure with protection level configurable to project needs, and keeps switching compartmentalized and safe.
Well matched to indoor high-voltage distribution rooms, substations, power transmission systems, and industrial power supply operating at 12kV.
Protection level (IP30 through IP66), cabinet layout, and circuit scheme can be tailored to what the project needs.
Before ordering, please confirm the rated voltage, rated current, protection level, and circuit configuration required.
Delivers 12kV metal-clad armored switching at a 4000A rating; Withdrawable circuit-breaker truck allows safe, straightforward maintenance; Galvanized steel enclosure adds durability and resists corrosion.
Protection level (IP30 through IP66), cabinet layout, and circuit scheme can be tailored to what the project needs.
Designed and tested to ISO9001, Test Report. Millenium production is certified to ISO 9001, ISO 14001 and ISO 45001, and the product family carries CE (ECM), UDEM attestation and an EAC declaration of conformity.
Quotation
Tell us the rating, voltages, frequency, quantity and destination. An engineer replies with a technical proposal, usually within one working day.