NEMA-4X Rated Enclosure
Reliable Power in all Environments
Magna-Power Electronics NEMA-4X enclosure allows customers to exploy quality power conversion in all environments. The NEMA-4X enclosure is available for all PQ Series III and TS Series II models. Ranging from 3.3kW up to 45kW, our NEMA-4X enclosed power supplies are consistent with Magna-Power Electronics' unparalleled power processing. A combination of high and medium frequency power processing technologies improves response, shrinks package size, and reduces cost.
Grade 304 Stainless Steel
Magna-Power Electronics NEMA-4X enclosure is made entirely from Grade 304 stainless steel. Isolating our products from environment using a stainless steel enclosure protects our power supplies from the elements. NEMA enclosures meet the National Electrical Manufacturers Association standards for performance and protection of the electrical equipment installed within them. NEMA is the leading trade association in the U.S. representing the interests of electroindustry manufacturers of products used in the generation, transmission and distribution, control, and end-use of electricity. As rated by the NEMA-4X standard, this protection includes windblown dust and rain, splashing water, and hose directed water; and to be undamaged by the formation of ice on the enclosure.
Hazardous Locations
Using a NEMA-4X enclosure for our products enables reliable operation in hazardous environments. Some applications where this enclosure is used are:
- Dockside and shipboard
- Medical/Pharmaceutical
- Electrodionization
- Mining
- Overhead cranes
- Electrolytic waste water treatment
- Plating and other applications
Our power supplies incorporate an optically isolated feedback system. The result is that all user interface circuitry is referenced to earth ground -- not the negative terminal of the power supply. This enables users to connect external circuitry without concern of ground loops or voltage breakdown.
Water Cooling
All the NEMA-4X enclosed models are water-cooled. These power supplies contain integrated semiconductor chillers and air to water heat exchangers to manage cooling of heat producing components. This feature allows the power supplies to operate in the absense of proper air flow. These units provide long life in plating facilities, electrodionization treatment plants, shipboard, and other corrosive environments. Water cooling also permits power supplies to be stacked in high density equipment racks where air cooling is not possible or desireable.
Communication and Control
The Remote Interface Software is shipped with all NEMA-4X power supplies. The software provides the user with a quick method to operate a Magna-Power Electronics' power supply under computer control. Communication is established through RS232 (standard), USB, GPIB, TCP/IP, or IEEE-485. The Remote Interface Software has six windows: the Virtual Control Panel, Command Panel, Register Panel, Calibration Panel, Firmware Panel, and Modulation Panel. The Virtual Control Panel emulates the front panel our power supplies, the Command panel programs and reads SCPI commands with user friendly buttons, the Register Panel programs and reads registers, the Calibration Panel enables calibration of the digital potentiometers, the Firmware Panel enables the program stored internal to the power supply to be upgraded, and the Modulation Panel eases programming of modulation parameters.
In addition, all power supplies can be externally programmed and monitored using external input/output signals. This external I/O enables the user to control voltage/current set points, over-current and over-voltage conditions, and to monitor diagnostics and output levels.
Designed for Safety
Our NEMA-4X enclosed power supplies have extensive diagnostic functions -- all of which, when activated, take command to shut down the system. Diagnostic functions include phase loss, excessive thermal conditions, over voltage trip, over current trip, fuse clearing, and program line. Program line monitors externally applied analog set point signals to insure they are within the specified range. Upon a diagnostic fault condition, main power is disconnected and the diagnostic condition is latched into memory. Pressing the clear key clears the memory. All diagnostic functions can be monitored through a rear connector. Furthermore, control functions can also be set through the rear connector to allow simultaneous control of one or more PQ SERIES units.
Our NEMA-4X enclosed supplies have three levels of over voltage/current protection: shutdown of controlling insulated gate bipolar transistors (IGBT’s), disconnect of main power, and input fuses. After an over voltage/current trip condition, the supply must be reset.