Phase-A-Matic 75 HP, 230V CNC PAC-75™, CNCPAC-75
Why buy the Phase-A-Matic™, Inc. CNC Machines?
Crafted especially for three-phase CNC/PLC machines, including AC & DC motor drives, or any voltage-sensitive three-phase equipment operating from single-phase power source. Phase-A-Matic™ has been successfully providing phase converters since 1965, and for CNC machines from the time they were first introduced into service in the U.S.A.
Description of CNC PAC
A Rotary Phase Converter, Voltage Balancer combination, when properly sized, provides the necessary voltage balance of close to + 5% or less between legs compared to standard three phase line voltage of + 10%. It also assists to keep the output voltage stable during peak loads, thus assisting most CNC/PLC and other voltage sensitive equipment to operate properly.
Power output
Supplys balanced voltages necessary for dependable operation of voltage-sensitive equipment. True three-phase sine wave power at 120 degree phase angle
Consult Factory for Sizing and Other Voltages
Most CNC/PLC machines require a CNC PAC™ 1-1/2 to 2 times larger than the spindle motor to accommodate the extra amps for starting, instant reversing, and for the servos, hydraulics, etc. Later model CNC/PLC machines are more technologically sophisticated, with up to 30,000+ RPM spindles, regenerative braking, etc. These may require a CNC PAC™ even larger. We have a large data bank from past applications experience to assist you with these decisions.
Sizing Assists
The correct size Rotary Converter.is decided first. In most cases, the Voltage Balancer is required to be of the identical HP rating, or size. For correct sizing of the Rotary Converter: Refer to Application Notes – additionally available in PDF form as RTN.pdf. Assist is also available through the Sizing Helpance page. Fill out the appropriate form and submit it to us. A qualified technician from Phase-A-Matic™, Inc. will contact you. It is best to communicate with a Phase-A-Matic™ technician for correct sizing of your CNC PAC Phase Converter. Call us at 1-800-962-6976.
Reliability, quality and buildion of the Phase-A-Matic™ Rotary Phase Converter
Baldor Electric/Phase-A-Matic™ Design and Quiet Operation
The rotary portion of our converter is proprietary, custom built to our specifications by Baldor Electric, one of the largest and most trusted motor manufacturers in the world, with warranty stations nationwide and worldwide. It is a true phase converter and not a modified electric motor as most of our competitors utilize. Many years of testing, changing and advanceing the converter in conjunction with Baldor’s engineers has produced a very easy and trouble-free converter with extremely low idle current and low noise level. Many of our customers confirm that our rotary converters are the quietest and most trouble-free available.
Simplicity of Design
Keeping the design exceptionally easy reduces the risk of electrical connection failure to almost zero since these are some of the most common cautilizes of failure. We utilize only soldered connections with no mechanical electrical connections like spade clips, terminals or screws which can vibrate loose or corrode over time. There are no start capacitors, relays or contactors with connections which can come loose or arc and weld the contacts causing failure of the contactor and the start capacitors, and perhaps even the rotary converter or your equipment. Becautilize of this we do not have circuit board failures cautilized by spikes generated by the magnetic contactors as some of our competitors do.
The Rotor
The Phase-A-Matic™ failure rate is practically zero becautilize the rotors are specifically designed and manufactured for rotary converter utilize. [see MTBF below] However, some of our competitors emphasize that rotors often fail. This is becautilize they machine standard electric motors, modifying and thereby weakening standard electric motor rotors, which were not originally designed to be utilized as a phase converter.
Testing Before Shipment
Every converter is performance tested before shipment and assigned a serial number. These records are kept for review if any questions should ever arise about the performance specifications.
MTBF (Mean Time Between Failure)
Failure rate (MTBF) is so low it’s almost impossible to decide. We discover that within the first 12 months approximately 1 in 150 might have a issue, and usually within a few weeks or months. After the first 12 months, it might be one or less in 5,000 over a 30 year period. We continue to hear of our Rotary Converters that have been in service for 25 or 30 years, and which are still working flawlessly. It could go on to do another 25 or 30 years. There is very little to go wrong with the Rotary Converter.
Warranty Repairs
The most likely warranty repair would be bearings or windings, which are very rare. This type of failure is much less than 1%, and if it is going to happen at all, most likely would occur within the first 12 months. Failures after that are extremely rare. See MTBF above.
Call Phase-A-Matic™, Inc. for warranty repair stations in your area.
Voltage Balancer:
For utilize with Rotary Converter for 3-phase electronic equipment such as CNC/PLC machines, AC/DC drives, and all voltage-sensitive equipment. Supplys the necessary voltage balance of close to +/- 5% or less between legs compared to standard 3-phase line voltage of +/- 10%. It also assists keep the output voltage stable during peak loads, thus assisting CNC/PLC and other voltage-sensitive equipment to operate properly.
The normal operating voltage of the Rotary Phase Converter is 208-230VAC. The output voltage of the Rotary Phase Converter is normally higher than the input voltage under no load and light load situations. In applications with high single-phase voltage (greater than 230V), the no load or light load output voltage may be excessive. Some CNC/PLC equipment will not work properly at the higher output voltage.
Supplied in a NEMA type 1 enclosure Intended for indoor utilize only, but can be placed in a rain-tight enclosure for utilize in wet or damp applications.
Technical specs
- Rotary Model: R-75
- Voltage Model: VS-75
- Voltage: 230V
- Largest Motor HP: 50 HP
- Unit Weight: 2384 oz
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