2-pole loads on Delta

[Toros]

Hi
Do you thing that any 240v, 2-pole loads such as motors, electr. car chargers, 240v heat lamps would operate better , briter,.....@ 240v, Delta config. - phase-A (120v) and phase-B (208v)
than if they were connected to 240V (two 120V phases) ??????

Is it okay to connect 240V heat lamp to Delta system using high leg, 208v and 120v leg ????

Tanx

 

[david luchini]

Hi
Do you thing that any 240v, 2-pole loads such as motors, electr. car chargers, 240v heat lamps would operate better , briter,.....@ 240v, Delta config. - phase-A (120v) and phase-B (208v)
than if they were connected to 240V (two 120V phases) ??????

No, they have the same voltage either way.

Is it okay to connect 240V heat lamp to Delta system using high leg, 208v and 120v leg ????

Tanx

Yes, you can connect your 240V single phase loads A-B, B-C or A-C.

 

[chris kennedy]

I'm not by my book but don't forget 240.85 (?) if you use the hi leg.

 

[Carultch]

No, they have the same voltage either way.

Yes, you can connect your 240V single phase loads A-B, B-C or A-C.

Provided that they are dual-rated to work at either 208V or 240V. Most such loads are.

 

[david luchini]

Provided that they are dual-rated to work at either 208V or 240V. Most such loads are.

I'm not sure I understand...why would 240V single phase loads connected to 240V need to be dual rated for 208/240V?

 

[Carultch]

I'm not sure I understand...why would 240V single phase loads connected to 240V need to be dual rated for 208/240V?

They don't. I think I misunderstood the question.

Any 240V load, that doesn't need a centered neutral, can be connected across any pair of phases on a high leg 240.