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
Built for relocation as well as service, this movable complete box substation handles three-phase distribution at 600 kVA or 800 kVA with a 25 kV / 400 V…
| Parameter | Value |
|---|---|
| Type | Movable Complete Box Substation |
| Rated Capacity | 600 kVA / 800 kVA |
| Voltage Ratio | 25 kV / 400 V |
| 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.
Built for relocation as well as service, this movable complete box substation handles three-phase distribution at 600 kVA or 800 kVA with a 25 kV / 400 V transformation ratio. HV, transformer and LV rooms share a single relocatable, weatherproof steel enclosure suited to temporary sites and fast-track power needs.
Suits construction sites, mining and infrastructure projects, industrial parks, and temporary or emergency power distribution.
Enclosure colour, capacity, voltage ratio, winding material (copper or aluminium) and compartment layout can be adjusted to order.
Built to the buyer's confirmed specification. Please share the capacity, voltage ratio and site requirements when enquiring.
Images shown are illustrative renders for marketing purposes; the finished unit is manufactured to the specifications confirmed at order.
The rated capacity is 600 kVA / 800 kVA. Other ratings in the same series are quoted on request.
Movable, complete substation built for rapid deployment and relocation; Available at 600 kVA or 800 kVA, stepping 25 kV down to 400 V; HV, transformer and LV compartments combined into one integrated layout.
Enclosure colour, capacity, voltage ratio, winding material (copper or aluminium) and compartment layout can be adjusted to order.
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.