440 Volt 3 Phase Generator
A 440 volt 3 phase generator is built for facilities and export markets that run their electrical distribution at this specific voltage rather than the more common 400V or 230V standards. MST/Milestone configures the alternator winding at the factory so the set leaves the workshop ready to plug straight into a 440V three-phase board, with no field rewiring or step-up transformer needed.
Not every grid runs on the same voltage, and heavy motor loads such as large compressors, crushers, marine pumps and processing-line drives are often specified around 440V three-phase supply rather than 400V. MST manufactures a full diesel genset range with the alternator pre-set to this exact voltage, pairing it with your choice of engine brand - Cummins, Perkins, Yuchai, Weichai, SDEC or Ricardo - in prime or standby ratings from small workshop units up to multi-megawatt industrial sets. Every unit ships with an automatic voltage regulator holding output within tight tolerance as load changes, and can be built in open frame, sound-attenuated, trailer-mounted or containerized form depending on the site. For buyers who specifically searched for a 440 volt 3 phase generator to match an existing switchboard, motor control center or export-market wiring standard, our engineering team pre-configures the winding, frequency and control panel before the unit ever leaves the factory.
Core Product Advantages
Factory-Set 440V Output
The alternator is wound and tested at 440V three-phase from the start, so there is no need for a site transformer or rewiring once the unit arrives.
50Hz or 60Hz Engine-Alternator Matching
Engine speed and alternator poles are paired to deliver clean 440V power at either 50Hz or 60Hz, covering both domestic and export electrical standards.
Strong Motor-Starting Headroom
Extra momentary overload capacity helps the set ride through the inrush current of large induction motors, pumps and compressors without voltage collapse.
Choice of Diesel Engine Brand
Cummins, Perkins, Yuchai, Weichai, SDEC and Ricardo power options let you match reliability, fuel economy and parts availability to your region.
Flexible Enclosure Formats
Available as an open skid, acoustic canopy, trailer-mounted mobile unit or ISO container, so the same electrical output fits sites from a workshop yard to a remote field.
Tight Voltage Regulation Under Load
A digital AVR keeps output steady as loads switch on and off, protecting sensitive equipment connected to the 440V three-phase bus.
Available Configurations
|
Power range |
From small standby sets to large prime-power industrial gensets |
|
Engine brands |
Cummins, Perkins, Yuchai, Weichai, SDEC, Ricardo |
|
Frequency |
50Hz or 60Hz to suit local grid standards |
|
Enclosure |
Open frame, silent canopy, trailer-mounted or container type |
|
Control panel |
Manual start, auto-start with ATS interface, or paralleling-ready |
|
Cooling |
Closed-circuit radiator cooling as standard, remote radiator on request |
Typical Applications
Mining and quarrying operations
Powering crushers, conveyors and large induction motors sized for 440V circuits
Marine and offshore platforms
Matching shipboard and rig electrical systems that standardize on this voltage
Oil and gas field sites
Driving pumps, compressors and control skids on remote wellheads
Heavy manufacturing plants
Supporting motor control centers already wired for 440V three-phase distribution
Export projects and overseas contracts
Matching the electrical code of the destination country before the unit ships
Water treatment and pumping stations
Running large submersible and centrifugal pump motors reliably
Built to Your Site's Electrical Standard
Because voltage and frequency requirements vary by country, industry and even by individual site, MST treats electrical configuration as a build option rather than an afterthought.
● Winding & Frequency Set Before Shipment - Alternator winding, engine governor speed and control panel display units are configured to your target voltage and frequency ahead of delivery.
● Compatible Switchgear on Request - ATS panels, paralleling cabinets and distribution boards can be supplied matched to the same voltage class as the genset.
● Documentation to Match - Nameplates, wiring diagrams and test reports are issued showing the actual voltage, frequency and phase configuration shipped.
FAQ
Q: What is a 440 volt 3 phase generator used for?
A: It supplies three-phase electrical power at 440V, a voltage standard used by certain industrial plants, mining sites, ships and export markets where equipment and switchboards are built around 440V rather than 400V or 480V.
Q: Is 440V three-phase the same as 480V three-phase?
A: No. They are close but distinct voltage classes. A generator built for 440V is wound and tested specifically for that output, and running 480V-rated equipment on a 440V supply (or vice versa) can affect motor performance, so the correct voltage should be specified when ordering.
Q: Can the generator be configured for both 50Hz and 60Hz operation?
A: Yes, the engine speed and alternator pole configuration are selected at order time to deliver stable output at either 50Hz or 60Hz, depending on which grid standard your site follows.
Q: Do I need any special switchgear to use a 440V three-phase supply?
A: Your distribution board, ATS and protection devices should be rated for 440V three-phase operation. MST can supply matching control panels and transfer switches so the whole system is built to the same voltage class from the start.
Q: Can multiple units be paralleled together for larger loads?
A: Yes. Sets can be fitted with paralleling-ready control panels so two or more generators can share load and synchronize output, which is useful when a single unit isn't large enough for peak demand.
Hot Tags: 440 volt 3 phase generator, China 440 volt 3 phase generator manufacturers, suppliers, factory
