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
This ring main unit packs medium-voltage switching into a compact, metal-enclosed cabinet built for indoor and industrial use. Covering 6.3kV through 12kV at…
| Parameter | Value |
|---|---|
| Product Type | Ring Main Unit (RMU) Switchgear |
| Rated Voltage | 6.3 kV / 10 kV / 12 kV |
| Rated Current | 4000 A |
| Frequency | 50 / 60 Hz |
| Protection Level | IP30 / IP32 / IP40 / IP65 / IP66 |
| Material | Aluminium-Zinc Coated Steel Plate |
| Application | Indoor, Industrial |
| Certification | ISO9001, Test Report |
These figures are based on the product data we were given. Final dimensions, materials, colors, and packaging depend on the sample and order that are 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.
This ring main unit packs medium-voltage switching into a compact, metal-enclosed cabinet built for indoor and industrial use. Covering 6.3kV through 12kV at 4000A, with an aluminium-zinc coated steel enclosure and protection level available to spec, it keeps ring-network switching and cable distribution running safely and reliably.
Fits indoor power distribution rooms, switching stations, industrial facilities, and any medium-voltage ring-network distribution system.
Protection level (IP30 through IP66), cabinet layout, and circuit scheme can be adapted to project needs.
Before ordering, please confirm the rated voltage, rated current, protection level, and circuit configuration required.
Serves ring-network distribution at 6.3kV, 10kV, and 12kV; Rated at a strong 4000A; Aluminium-zinc coated steel resists corrosion over time.
Protection level (IP30 through IP66), cabinet layout, and circuit scheme can be adapted to 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.