brian john
Senior Member
- Location
- Leesburg, VA
On a Square D 75 kva transformer the following temperatures are noted
220 DEGREE C INS SYSTEM 150 DEGREE C RISE
I assume (possibly incorrectly) that the transformer insulation is rated 220 C or 428 Degree F?
And the second number is that the acceptable operating temperature above ambient or assuming 21 C or 70 F which takes us back to 220 C or 428 F???????????
220 DEGREE C INS SYSTEM 150 DEGREE C RISE
I assume (possibly incorrectly) that the transformer insulation is rated 220 C or 428 Degree F?
And the second number is that the acceptable operating temperature above ambient or assuming 21 C or 70 F which takes us back to 220 C or 428 F???????????