208v to 120v Step-Down Auto Transfer Switch

Anybody have any luck finding or using a step-down Auto Transfer Switch that goes from 208v to 120v?

There are a few items on one of our racks that are 120v and I'd like to get them on redundant UPS' and this is the only way I can think of how to do it. All the UPS' in this room are 208v in and out.

Thanks

Find more posts tagged with

Comments

gc8dc95

Are they WYE 208V 3PH? You could just pull a single phase and neutral for 120V, if thats the case. Be sure to balance the load.

If you need a single phase solution you will need a transformer. Preferably before a 120V UPS, but you could do it after a 208V UPS if needed. Just beware that the isolation and cleaning properties of the UPS could be affected by doing it this way.

joelsfood

I used one of these for a client who had 208v, and colo wanted 500/mo to drop 120v feed for the 2-3 items that needed it.

Buy APC Step-Down Transformer RM 2U 208V IN 120V OUT; w/5-20 Receptacles - Technical Specifications and Information | APC