DOUBLEARROW SERIES PRODUCTS
DA-M Series -- Powered by MTU Engine 丨 Three-phase 50Hz
■ Standard output voltage:220/380V,230/400,240/415V.
■ The following rated values are calculated based on the altitude of 1000 meters and below 40℃ ambient temperature,125℃ temperature rise(insulation class H).
■ For each 24-hour period,the average loading is 75% of published prime power,the genset can work for unlimited time in the way of this mode each year.10% overload work is permissible for 1 hour every 12-hour period.(ISO 8528)
DA-M Series -- Powered by MTU Engine 丨 Three-phase 60Hz
■ Standard output voltage:440/254V.And 220/127,208/120,416/240,480/277,460/266V are also available.
■ The following rated values are calculated based on the altitude of 1000 meters and below 40℃ ambient temperature,125℃ temperature rise(insulation class H).
■ For each 24-hour period,the average loading is 75% of published prime power,the genset can work for unlimited time in the way of this mode each year.10% overload work is permissible for 1 hour every 12-hour period.(ISO 8528)

DA-M SERIES MTU 800-3750KVA
DOUBLE-ARROW MTU series gensets are available from 800KVA to 3750KVA and powered by world-famous MTU engine which is featured with reliability, advanced technology, high-class performance, environmental consciousness and long service life.
The MTU history can be traced back to the 18th century. With the excellent and advanced technology, the MTU engine is one of the best quality products in the world.
MTU 2000 and 4000 series engine launched in early 1997, which is the world's rare containing MDEC electronic monitoring management system of diesel engine, 4000 series is the world's first application of sync rail fuel injection system technology of large diesel engine.
The fuel economy and environmental performance in the current outshine others in the world, no overhaul period up to 30000 hours, far more than the other diesel engine 10000 to 20000 hours. MDEC system also provide a fault diagnosis and fault code display function.
1. Diesel egine
2. Alternator: Four-pole brushless, self-excited system, 2/3 pitch winding, H insulation the voltage regulation will be 1%. If select PMG system, the voltage regulation will be 0.5%, and at the same time PMG system provides high motor starting capacity as well as immunity to waveform distortion on the main stator output created by non-line loads.
3. Control Panel be mounted on common base and separated with engine.
4. Circuit Breaker, easy to operate and connection with high reliability.
5. Base fuel tank with capacity for over 8 hours running.
6. Absorber: Weaken the generator vibrating effectively in order to protect generators' parts and lengthen the lifetime.
7. The forklift hole and lifting eyes located on base frame, easy to move by forklift or crane.
8. Battery isolator switch.
9. Radiator with fan and safe guard.
10. Dry air filter
11. Emergency stop button
12. Maintenance-free battery
CONTAINERIZED TYPE
1. Manufacture and design genset's container according to ISO container standards, adopt 20’ft container for gensets below 1250kva and 40’ft container for above 1250kva.
2. Container with CSC/CCS certificate, the complete containerized gensets can be directly carried by Cargo ship.
3. Container cross beam is manufactured by structural steel (different from ordinary standard container), in order to improve the mechanical strength of the container and withstand higher dynamic load from genset.
4. Container is painted by high stiffness and anti-rusty polyurethane painting, endurable for 20 years.
5. Three kinds of leaks' collector is fixed at the bottom of container to prevent potential leaks.
6. Side doors are fixed at both sides of the container, easy for maintenance and repair.
7. Ladder is equipped for easily climbing and routine maintenance.
8. The container can be open from both front and back side, the genset can be easily moved out from each side of container for overhauling.
9. Units of explosion proof lights are installed inside the container, easy for operation and maintenance.
10. Separate daily fuel tank with level view window, and capacity for minimum 8 hours running.
11. Built-in muffler with drainage system for condensation water, top made of stainless steel.
12. All hinges, locks, screws are stainless steel, inside of the container fixed with anti sea water/rainproof accessories.
13. Options: automatic fuel transfer system, automatic oil transfer system, fuel-water separator, automatic synchronizing system, heavy-duty air filter and etc.
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