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Bulletin 540 Wye-Delta Starters
Bulletin 540 Wye-Delta Starters
Bulletin 540 NEMA Wye-Delta Starters
- Starter sizes 1…5YD
- Open circuit transition
- Overload relays: eutectic supplied as standard, solid-state available as an option
- Painted metal enclosures: Type 1, Type 3R/4/12
- Modifications — factory installed
- Accessories — field installed
Bulletin 540 wye-delta starters are used with delta-wound squirrel cage motors which have all leads brought out to facilitate a wye connection for reduced voltage starting.
