Reliable transformers
17 Lincoln Road,
Benoni South,
Gauteng Province,
South Africa
Contact Details
Tel: +27 11 421 2333
Fax: +27 11 421 3446

Furnace Transformers

Furnace transformers are somewhat different from normal power transformers due to their application, operating conditions, and their close proximity to hot furnaces.

Reliable Transformers has been producing Transformers and related Magnetic components for more than 30 years.

We can custom design our products to meet your specific requirements and conditions.

Cooling & Enclosures
  • Oil Filled - ONAN, ONAF, ONOF
  • Dry Type - ONAN, ONAF, ONOF
  • Winding Material
  • Copper
  • Aluminium
  • Mounting & Base
  • Skids
  • Skids with Wheels
  • Standard Fittings
  • Oil Level Gauge
  • Filler & Drain Valves
  • Lifting Lugs
  • Forklift Slots
  • Cooling Fan
  • Lashing Holes
  • Jacking Pads
  • Tap-Switch
  • Marshaling Box
  • Oil Pump
  • Optional Fittings
  • HV Cable Box
  • LV Cable Box
  • Conservator
  • Silica Gel Breather
  • Oil Thermometer
  • Bucholtz Relay
  • Pole-Mount Bracket
  • Pressure Relief Valve
    KVA 16KVA 3500KVA
    Primary Voltages 400V, 525V, 3300V, 6600V, 11KV, 15KV, 22KV, 33KV.
    Custom Voltages available on request.
    Secondary Voltages As per Customer request up to 25KA
    Electrical Winding Resistance, Winding ratio & Vector Verification, Load Loss, No-load Loss, Power Frequency, Insulation Breakdown.
    Mechanical Effectiveness of sealing, Paint thickness, Vibration & Noise


    Our name says it all. We have been producing top quality products for more than 30 years and will continue to innovate and improve our products to ensure that you, the customer, get the best value for your money.

    We design, manufacture and test our products strictly according to the SANS 780 and other applicable transformer specifications.


    Our warranty covers any defective workmanship and/or materials for a period of 12 Calendar months from the date of purchase. Carry in Warranty.

    Proudly made in South Africa

    Our products are proudly designed and manufactured in South Africa.

    We understand the challenges our customers face in Africa. Our engineers go the extra mile to ensure that our transformers are practical and easy to handle and install. Many of our design innovations focus specifically on lifting, moving and cable installation.

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