480V, 3 phase delta to 240V with high leg question
Jun 12, 2024 · The secondary power from the transformer will go to feed a meter bank on each floor. I want to bring 3-phase power to the meter bank but 120/240V single phase to each …
480V/3-phase line-to-line value | Information by Electrical ...
Dec 5, 2013 · The line to neutral voltage is 277 and the line-to-line voltage is 480. You can connect either wye or delta loads with the appropriate voltage rating or either 277 or 480V …
3 phase, 380V, 50Hz motors need to operate at 3 phase, 480V, 50Hz
Jan 3, 2024 · The issue is that the power supply at the site is 3 phase 480V, 50Hz. Would a 3 phase transformer 480V/50Hz primary and 380V/50Hz secondary be our best solution? …
480 volt single phase | Information by Electrical Professionals for ...
Mar 1, 2017 · I have a piece of equipment that requires 480 V single phase. Correct me if I am wrong but is this simply a 2 pole breaker regardless if the system is a Wye, Delta corner …
Will 480V three phase generally have a neutral? | Information by ...
Jul 9, 2025 · I work for an OEM. We have a new product that requires 460V with a neutral (277V) to run. If our customers have 480V service will they generally have a neutral tap as well? Or is …
277volt and 480volt wiring without a neutral | Information by ...
Jul 23, 2019 · All, I have a question regarding 3 phase power without the use of a neutral. I received a question asking if it is proper to wire a 480v parking lot light using only 2 hot …
MEGGERING A MOTOR PHASE TO PHASE | Information by …
Dec 24, 2011 · I always megger a 3 phase 480V motor phase to ground, but I am wondering if meggering phase to phase can tell me something about the state of the winding insulation as …
440, 460, 480 volts | Information by Electrical Professionals for ...
Jan 9, 2008 · Why do some EC's refer to 480 volts as 440 or 460 when it is actually 480? EC's seem to use them interchangably. Also, I've seen panelboards marked 440 and 460 volts. Can …
480Volt GFCI | Information by Electrical Professionals for Electrical ...
Jul 13, 2021 · 210.8B 3 phase GFCI 150volts or less to ground, So with 480 its business as usual? Do they even make 3 pole 480volt GFCI protection?
How to size a 480 to 240/120V Transformer - Mike Holt's Forum
Nov 20, 2015 · -480V 3 phase 60HZ Secondary Load - See attachment -120/240V Single phase 60 amp power panel. 4 wire. Transformer will be mounted 1000ft from MCC 480V power …