Portable Generator QAS-25kW
General Information
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.
Rated Prime Power
20 kW / 25kVA
Frequency
60 hz
Detailed Specs
- Compact, sound attenuated, corrosion resistant enclosure with single point lifting and 110% fluid containment
- Available as a skid mounted unit with forklift pockets, or on a single axle trailer
- Heavy Duty alternator with AREP excitation and marine grade protection
- DeepSea controller
- Single side servicing with long run filters and 500-hour service intervals
- Isuzu 4LE engine w/EGR& DOC after-treatment and limited 5-year warranty
- Identical enclosures and maintenance points between both models
- Emergency Stop
- Remote Start / Stop
- Extremely durable and environmentally sensitive designed to be used for everything from the oil patch to special event power
- Versatility, giving you the flexibility to match your machine to the correct application
- Start-up power for the most demanding sites with 300% over load starting capabilites
- Reliable and intuitive controls for ease of use and diagnostic capabilities
- Reduced total cost of ownership with easy access for mechanics
- Proven engine platform with high reliability, a simple maintenance free Diesel Oxidization Catalyst onlyafter treatment
- Reduces stock of service kits and inventory of parts withrental ROI kept in mind
- External, recessed emergency stop for increased safety
- Allows connection as a critical back-up unit via a 2 wire dry contact connection in the distribution panel
| Performance | Units | QAS 25 |
| Frequency | Hz | 60 |
| Rated prime power 3ø | kW/kVA | 20/25 |
| Rated standby power 3ø | kW/kVA | 22/28 |
| 3ø Power factor | 0.8 | |
| 3ø Voltage in 480V switch position | V | 480Y / 277 |
| Amp capacity @480V | A | 30 |
| 3ø Voltage in 240-208V switch position | V | 240YY / 139-208YY |
| Rated Prime Power @ 240V 3Ø | A | 20/25 |
| Amp capacity @240V | A | 60 |
| Rated Prime Power @ 2080V 3Ø | A | 18/23 |
| Amp capacity @208V | A | 63 |
| Rated prime power 1ø | kW/kVA | 13/13 |
| 1ø Power factor | 1 | |
| 1ø Voltage in 120-240V switch position | 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 |
| Model | 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 |
| 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 |
Highlighted Features
