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What is the Typical Required VA rating on a a control transformer for combination starter ?
Issue:
Information on the VA rating for the 8502/8536/8538/8539 NEMA Type S Starters.

Product Line:
Contactors and Starters.

Environment:
NEMA Type S Starters

Resolution:
See table below. This can also be seen on table 16.173 on page 16-58 of the Digest 177 or similar information in the current Digest. This sizing can also be used for other 8502 and 8536 based devices.
NEMA SizeStarter TypeStandard
Capacity
(Form
F4T)
Additional Capacity
50 VA
(Form
F4T10)
100 VA
(Form
F4T11)
200 VA
(Form
F4T12)
Class 9070 Type [66]
0 & 1SB & SCTF100TF150TF200TF300 [67][68]
2SDTF100TF150TF200TF300
3SETF150TF200TF300TF500
4SFTF300TF300TF500TF500
5SGTF100 and  8501XO20TF100 and  8501XO20TF150 and
8501XO20
TF300 and
8501XO20
6SHEO3S2 is standardN/AEO3FS2
and T100
EO3S2 and
TF200
7SJEO19S2 is
standard
N/AEO19S2
and TF100
EO3S2 and
TF200

[66] Complete the contactor or starter Class and Type with the voltage code.
[67] Requires oversized enclosure. (Size 2 reversing enclosure.)
[68] Available in standard enclosure with Mag-Gard™ circuit breaker and non-fusible disconnect switch. Requires oversized enclosure with thermal-magnetic circuit breakers and fusible
disconnect switches. (Size 2 reversing enclosure.)

Schneider Electric USA

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