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 readCompact & Box-Type Substations
Offered in 750 kVA, 1000 kVA, and 2550 kVA ratings, this three-phase American-style compact substation can be specified with copper or aluminium windings.…
| Parameter | Value |
|---|---|
| Type | American-style Compact Substation |
| Rated Capacity | 750 kVA / 1000 kVA / 2550 kVA |
| Phase | Three Phase |
| Frequency | 50 / 60 Hz |
| Winding Material | Copper / Aluminium |
| Vector Group | Dyn11 / Yyn0 |
| Standard | IEC / GB |
| Certification | ISO9001 |
| Warranty | 2 Years |
| Packaging | Wooden Case |
Designed and tested to IEC / GB. 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.
Offered in 750 kVA, 1000 kVA, and 2550 kVA ratings, this three-phase American-style compact substation can be specified with copper or aluminium windings. All substation compartments sit inside one weatherproof, all-metal cabinet, giving a ready-to-connect distribution package in a compact footprint.
Fits industrial parks, residential and commercial developments, municipal distribution, and utility distribution networks.
We're able to adjust enclosure colour, capacity, voltage ratio, winding material (copper or aluminium), and compartment layout on request.
Every unit is built to order once the specification is confirmed. Please share the capacity, voltage ratio, and site conditions needed when you enquire.
The product photos shown are illustrative marketing renders; the delivered unit is manufactured to the specification confirmed at order.
The rated capacity is 750 kVA / 1000 kVA / 2550 kVA. Other ratings in the same series are quoted on request.
Three capacity options to choose from: 750 kVA, 1000 kVA, and 2550 kVA; Built to the American-style compact substation configuration; Copper or aluminium winding options to balance cost and performance.
We're able to adjust enclosure colour, capacity, voltage ratio, winding material (copper or aluminium), and compartment layout on request.
Designed and tested to IEC / GB. 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.