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
Available in 750 kVA and 1000 kVA ratings with a 10 kV / 0.4 kV transformation ratio, this three-phase European-style box substation condenses…
| Parameter | Value |
|---|---|
| Type | Compact Box Substation |
| Rated Capacity | 750 kVA / 1000 kVA |
| Voltage Ratio | 10 kV / 0.4 kV |
| 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.
Available in 750 kVA and 1000 kVA ratings with a 10 kV / 0.4 kV transformation ratio, this three-phase European-style box substation condenses medium-to-low-voltage distribution into a single steel enclosure. HV, transformer and LV rooms share one ventilated cabinet, built for quick outdoor commissioning.
Appropriate for industrial parks, commercial and residential developments, municipal distribution, and medium-voltage utility networks.
Enclosure colour, capacity, voltage ratio, winding material (copper or aluminium) and compartment layout are configurable to order.
Built to the buyer's confirmed specification. Please indicate 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 750 kVA / 1000 kVA. Other ratings in the same series are quoted on request.
Available at 750 kVA or 1000 kVA, stepping 10 kV down to 0.4 kV; HV, transformer and LV compartments combined in one integrated layout; Louvred, vented doors provide natural cooling.
Enclosure colour, capacity, voltage ratio, winding material (copper or aluminium) and compartment layout are configurable 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.