How do I size thermal units for an 8630 wye-delta starter?
Issue:
Selecting thermal units to protect the motor on an 8630 Wye-Delta starter
Product Line:
NEMA and Definite Purpose Contactors and Starters
Environment:
Magnetic Contactors and Starters
Cause:
Selecting heaters to protect the motor on an 8630 Wye-Delta starter
Resolution:
You must divide the motor full load current by 1.73 and size the heaters per the appropriate chart. Check current Square D publications for thermal unit selection chart.
Selecting thermal units to protect the motor on an 8630 Wye-Delta starter
Product Line:
NEMA and Definite Purpose Contactors and Starters
Environment:
Magnetic Contactors and Starters
Cause:
Selecting heaters to protect the motor on an 8630 Wye-Delta starter
Resolution:
You must divide the motor full load current by 1.73 and size the heaters per the appropriate chart. Check current Square D publications for thermal unit selection chart.
Released for: Schneider Electric Canada
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