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New Member
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Jan 30, 2010, 08:02 AM
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Single phase 30a 208v wye
I am having a Canon C6000 digital printing press installed. I only have single phase to my facility. It calls for single phase, 30a, 208v Wye. Is this possible, and what is the difference in wye connection versus delta? Any suggestions? They are telling me to use a nema L1430 configuration for connection, but must be 208v, single phase.
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Ultra Member
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Jan 31, 2010, 11:07 AM
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Your NEMA outlet is just an outlet to plug in the press. Maybe the diagram will help explain what a wye connection is.
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Uber Member
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Jan 31, 2010, 01:53 PM
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If the unit is rated only for 208 volts, and you have only single phase, it should be 240 volts. You really should check if it will work properly on the 240 volts.
If you look close at the nameplate, it may say 208~240 volts, or something similar, in which case it will operate fine.
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New Member
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Jan 31, 2010, 02:26 PM
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Originally Posted by InfoJunkie4Life
Your NEMA outlet is just an outlet to plug in the press. Maybe the diagram will help explain what a wye connection is.
Thanks for the diagram. HOwever, you are showing a WYE connection utilizing 3 phase, correct? The press I have emphatically states 208, single phase. I'm a bit puzzled. Can I accomplish 208 single phase with a 120/240 panel?
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New Member
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Jan 31, 2010, 02:29 PM
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Originally Posted by tkrussell
If the unit is rated only for 208 volts, and you have only single phase, it should be 240 volts. You really should check if it will work properly on the 240 volts.
If you look close at the nameplate, it may say 208~240 volts, or something similar, in which case it will operate fine.
Thanks for responding. The instructions state emphatically that 208v, single phase only be used for power connection. I'm a bit puzzled at why a major manufacturer would utilize 208v, single phase. Can I accomplish this with a 120/240v rated panel?
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Uber Member
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Feb 1, 2010, 07:40 AM
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As I stated, since the unit is rated only 208 volts, and you have 240 volts, you need to check with the manufacturer to learn if the unit can be supplied with 240 volts.
There are many components internally that may be damaged by the 240 volts.
If you do learn that 240 volts is not acceptable to the 208 volt unit, then you can consider using the buck-boost transformer method to reduce the 240 volts down to 208.
Or get a printing press rated for 240 volts.
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Uber Member
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Feb 1, 2010, 10:18 AM
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Yep, but the buck-boost method will likely be pricey.
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New Member
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Feb 1, 2010, 10:24 AM
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Originally Posted by KeepItSimpleStupid
Yep, but the buck-boost method will likely be pricey.
Thanks again for the responses. Have been awesome. However, the buck/boost method is not all that expensive quite frankly. If I went the isolated transformer, then the pricing jumpe close to a grand. The initial methodd is around 400 bucks. And, thank goodness, the manufacturer will accept this method. Really do appreciate everyone's responses.
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Uber Member
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Feb 1, 2010, 11:09 AM
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Great!
There is about 7.5x more copper in the isolation method. My calcs are wrong. I assumed one isolation xformer and one buck-boost. There are variations. So call it 3x more copper, so it's a significant savings.
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