011 794 9498 sales@redmetal.co.za

Cast Resin Mini Substations

Safest Surface and Underground Solution


Red Metal Mining designs and supplies compact underground cast resin mini substations engineered for safety, reliability, and operational efficiency. Our custom-designed enclosures can be supplied with a range of high-quality cast resin (dry type) transformers, including SGB transformers where specified.

Designed to meet the demanding requirements of the mining industry, our mini substations are compact enough to fit within underground man winder cages while remaining equally suitable for surface installations. The robust design provides a safe, durable, and low-maintenance power distribution solution for both underground and above-ground applications.

Low operating & maintenance cost

Fire class F1 (self-extinguishing)
Cannot maintain combustion without external energy.

Protection class IP54

Low environmental impact
No oil – remarkably low fire hazard.

AN (convection-cooled)

Compact designed

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