SHUNT TRIP FOR SERVICE DISCONNECT
SHUNT TRIP FOR SERVICE DISCONNECT
(OP)
NEED AN OUTDOOR SERVICE DISCONNECT FOR 1600A, 480V SERVICE WITH (6)-4" UNDERGROUND CONDUITS (25FT TOTAL LENGTH)FEEDING A MOTOR CONTROL CENTER JUST INSIDE BLDG FROM A 13.2KV/480V XFMR JUST OUTSIDE THE BLDG. SHORT OF A 1600A, 480V BREAKER OUTSIDE WOULD A SHUNT TRIP COIL ON THE MCC MAIN BREAKER AND A PUSHBUTTON MOUNTED TO THE BLDG EXTERIOR WALL BE AN ACCEPTABLE SERVICE DISCONNECT ?






RE: SHUNT TRIP FOR SERVICE DISCONNECT
Who's telling you the disconnect has to be outside?
(Ron - find the Caps Lock key on your computer and give it a little punch
RE: SHUNT TRIP FOR SERVICE DISCONNECT
Why do you need the push-button? Emergenc power off? If you want to work on the MCC safely, only acceptable method is to lock out the outdoor switch.