SG120 Industrial Gas Generator


  • Maximum 150kVA Standby, 380V
  • Fuel: Natural Gas
  • Built-in AVR delivers non fluctuating power
  • 12 VDC Electric Starter
  • 14.17L Powerful GAS Engine
  • 3-Phase Output
  • 135kVA Prime Open or Silent GAS Generator
  • This generator does NOT run on Bio-gas.


Prime Power (PRP) 135.0 kVA
Standby Power (LTP) 150.0 kVA
Power Factor 0.8 φ
Frequency 50 Hz
Voltage 380 V

Price On Request

Frequently Asked Questions

Can I use Bio-Gas?

No, the gas specifications for the generator need to be complied with in order for the generator to run correctly and the warranty to remain in-tact.

Does the price include electrical installation?

No, the price doesn't include installation. Installations are all different and require varying length of cable, time and distances to be travelled. In addition to this installations need to be done by a qualified electrician to issue a valid Certificate of Compliance (COC) for your insurance. We will gladly recommend a qualified local installer, please ask your Sales Consultant for more information.

Does the price include GAS installation?

No, the price doesn't include the gas installation. Gas installations should be done by a trained professional who will issue a Gas COC on completion of the installation.

Do we offer installation?

No, but we do have recommended installers throughout Southern Africa who will be able to assist you with your installation and sizing your generator.

Does the price include delivery?

All prices exclude delivery. Due to the nature of the goods and their size they have to be delivered by a specialised truck and rigging crew. Hence delivery is charged extra based on the distance and complexity of the delivery.

Do I need anything else to connect the generator?

Yes, you'll need either an Automatic Transfer Switch (ATS) or Manual change over switch in order to link the generator into your property's electrical distribution board. This is required by law to ensure that the generator and mains supply are adequately isolated from one another.

What size ATS do I need?

The recommended size ATS is based on the size of the generator, not the mains incoming supply. The ATS should be capable of taking the whole load from either mains or the generator as both will pass through the ATS switch. Therefore, whilst the recommended switch size will be correct for most installations, it may not be correct for your installation. You should ensure that an electrician performs a load test and checks this information.

Tell me about the Warranty?

The warranty is 12 Months or 1000 Hours whichever occurs first. It is a limited warranty. Travel to site is not included in the warranty. The goods need to be returned to us or a call out will be charged. Please refer to the Terms and Conditions of sale and the Warranty Card for further information on the warranty. Warranty is held with the agency where you bought the generator. If you have purchased your generator in Johannesburg then the warranty is held in Johannesburg etc.

PLEASE NOTE: ALL ratings are approximate and at SEA LEVEL. Engines need to be de-rated for altitude. A rough guide to de-rate performance is 1% for every 100m above sea level. I.e: A 20kVA at sea level is an 18kVA at 1000m above sea level (10% less) etc.

The generator will not be able to take the full load instantaneously. The load should be added to the generator gradually. 50% initially and then stepped up over time once engine is up to temperature.