The Atlas Copco QAS 25 ID T4F generator is prime power, multi-voltage, sound attenuated, mobile generators. It is powered by an Isuzu Tier 4 Final, liquid-cooled, four-cylinder diesel engine.
The units consist of an alternator, diesel engine, cooling system, electrical distribution and control systems - all enclosed within a sound attenuated enclosure fabricated from powder coated galvannealed steel. A broad range of undercarriage formats and options are available. Special attention has been given to the overall product quality, user friendliness, ease of serviceability, and economical operation to ensure best in class total cost of ownership.
| Performance | Units | QAS 25 JD |
| Frequency | Hz | 60 |
| Rated prime power @480V 3ø | kW/kVA | 20/25 |
| Rated standby power @480V 3ø | kW/kVA | 22/28 |
| 3ø Power factor | 0.8 | |
| 3ø Voltage in 480V switch position (Series Star w/ Neutral) | V | 480Y / 277 |
| Amp capacity @480V | A | 30 |
| 3ø Voltage in 240-208V switch position (Parallel Star w/ Neutral) | V | 240YY / 139-208YY |
Rated Prime Power @240V 3Ø |
A | 20/25 |
| Amp capacity @240V | A | 60 |
Rated Prime Power @ 2080V 3Ø |
kW/kVA | 18/23 |
| Amp capacity @208V | A | 63 |
| Rated prime power @240V 1ø | kW/kVA | 13/13 |
| 1ø Power factor | 1 .0 | |
| 1ø Voltage in 120-240V switch position (Zig-Zag) | V | 240 / 120 |
| Amp Capacity @240V | A | 54 |
| Amp Capacity @120V | A | 54 x 2 |
| Alternator (4 Pole, 12 Wire) | Leroy Somer | LSA 40 M5 |
| Excitation system | AREP (auxiliary winding) | |
Digital Automatic Voltage Regulator (+/- 0.25%) |
Leroy Somer | D350 |
| Insulation | Class H | |
| Main Breaker - Shunt Trip | A | 63 |
| Power Distribution – Terminal Board | 5 Wire (L1, L2, L3, N, Ground) | |
| Terminal Board Connections | Bare Wire Terminals | |
| Maximum Terminal Cable Size | 350MCM | |
| Convenience Receptacles | 2 x NEMA 5-20R & 2 x 125/250V 50A CS6364 |
| Engine | Units | QAS 25 JD |
| Model | Isuzu | 4LE2T |
| US EPA Family | MSZXL02.2ZTB |
|
| US EPA Tier | Tier 4 Final | |
| Displacement | L | 2.2 |
| Cylinders | # | 4 |
| Continuous engine output | HP (kW) | 31.5 (23.5) |
| Gross engine power output | HP (kW) | 40 (30) |
| Rated Speed | RPM | 1800 |
| Engine control | ECU | |
| Aspiration | Turbocharged | |
| Engine oil capacity | US gal | 1.9 (7.2) |
| Engine coolant capacity | US gal | 3 (11.4) |
| Max. ambient temperature (@Sea Level) | °F (°C) |
122(50) |
| Min. starting temperature | °F (°C) |
14(-10) |
| Electrical system (Negative ground) | V | 12 |
| Engine alternator output | A | 50 |
| Battery Capacity (Cold Cranking Amps) | A | 685 |
| Sound Pressure Level @ 23’(7 m) @ 75% Load | dB(A) | 67 |
| Fuel System | Units | QAS 25 JD |
| Fuel Consumption @ 25% load | Gal/hr (L/hr) | 0.71 (2.69) |
| Fuel Consumption @ 50% load | Gal/hr (L/hr) | 1.02 (3.86) |
| Fuel Consumption @ 75% load | Gal/hr (L/hr) | 1.40 (5.30) |
| Fuel Consumption @ 100% load | Gal/hr (L/hr) | 1.63 (6.17) |
| Fuel Type | Ultra-Low Sulfur Diesel ONLY | |
| Fuel Tank Capacity | Gal/hr (L/hr) | 75 (284) |
| Fuel Autonomy @ 75% load | Hr | 48.2 |
During the mining process, machines such as excavators, drillers, cranes, and conveyor belts use a lot of electricity. No matter what type of mining is taking place, Atlas Copco's QAS 25 diesel generator is the best choice as it is portable and can be utilized in remote and extreme mining zones.
Outdoor events with big tents, lighting and all sorts of machinery running from vendors will require power from a mobile generator. Atlas Copco’s QAS 25, 45 or 70 diesel generators are a great fit for events as they are silent, compact and towable. There are also convenience receptacles as standard to use in single phase 120V outlets, California style 240V outlets, or Camlocks as an option.
During construction at remote sites, the power supply from a mobile diesel generator is essential. Because our QAS 25, 45, and 70 models are mobile and compact, construction crews rely on them for power during the whole project due to its reliability and transportability.
