It can be somewhat confusing when searching through the large number of available coils for LS contactors. One point of confusion is the difference between a "spare" coil and non-spare. See below example. The difference is actually quite simple. A "spare" coil comes packaged in a box, while a non-spare coil is loose. Electrically speaking the coils are interchangable and either one can be ordered.
Example:
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Item Code
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Description
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Note |
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77121631754
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COIL ASS'Y,AC480V 60HZ,MC-9~32,32a~40a,Spare
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Comes in a packaged box
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77121631209
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COIL ASS'Y,AC480V 60HZ,MC-9~32,32a~40a
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Coil is loose (no box)
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