A 50 kVA generator delivers approximately 40 kW of usable power — enough to run a small supermarket with refrigeration, tills and store lighting. At 75% load it consumes roughly 9 litres of diesel per hour. In South Africa a 50 kVA silent diesel generator typically costs between R125 000 and R168 000 excluding VAT and installation.
Pricing verified August 2026
Compare full specifications for matching models in the catalogue: 50 kVA Three Phase Silent Diesel Generator, 45 kVA Three Phase Silent Diesel Generator, 40 kVA Three Phase Silent Diesel Generator, 60 kVA Three Phase Silent Diesel Generator, 60 kVA Three Phase Prime Power Silent Diesel Generator, 60 kVA Three Phase Trailer Mounted Diesel Generator, 35 kVA Single Phase Silent Diesel Generator and 66 kVA Three Phase Silent Diesel Generator.
Not sure this is the right size? Try our generator sizing calculator, agriculture and irrigation power solutions and retail and shopping centres power solutions.
A 50 kVA set most often falls into these ranges: diesel generators, three phase generators and silent diesel generators.
What a 50 kVA generator will run
Running cost at 50 kVA
Available 50 kVA generators
Every 50 kVA unit currently in the range, compared side by side.
| Model | Engine | Prime | Standby | Phase | Fuel @75% | Noise | Weight | Price excl. VAT |
|---|---|---|---|---|---|---|---|---|
| AGP 50 Perkins Silent | Perkins 1104A-44TG | 50 kVA | 55 kVA | Three | 8.9 l/h | 70 dB | 1120 kg | R152 000 |
| AGP 50 Cummins Silent | Cummins 4BTA3.9 | 50 kVA | 55 kVA | Three | 9 l/h | 70 dB | 1180 kg | R158 500 |
| AGP 50 Baudouin Silent | Baudouin 4M06T | 50 kVA | 55 kVA | Three | 9.1 l/h | 71 dB | 1090 kg | R148 000 |
| AGP 50 SDEC Silent | SDEC 4B50 | 50 kVA | 55 kVA | Three | 9.2 l/h | 71 dB | 1050 kg | R136 500 |
Is 50 kVA the right size?
Fifty kVA is a common supermarket and school size. Map every compressor and confirm diversity — simultaneous defrost cycles can spike demand.
50 kVA generator FAQs
Silent 50 kVA three-phase diesels generally fall between R125,000 and R168,000 excl. VAT.
Around 9.0 L/h at 75% load, about R211.50/h at R23.50/L.
About 40 kW — a small supermarket or comparable commercial facility with refrigeration and HVAC on diversity.
Three-phase 400 V is the commercial standard at this rating.
Structural base, canopy clearances, fuel polishing options, AMF/ATS, earthing and CoC-backed installation.
Typical canopied units measure about 70 dB(A) at 7 m under test — check municipal by-laws for boundary limits.