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Technical Tips & FAQs

Converting a CA7 Contactor with an AC Coil to a DC Coil

QUESTION:
Can I swap coils from AC to DC (or vice versa) within the same contactor?

ANSWER:

For sizes CA7-9...55 Contactors, NO!

CA7-37 Contactor

The CA7-9...55 Contactors cannot be converted from an AC - and, it cannot be converted from a DC to an AC coil. This is because the coil armatures used with the AC and DC coils are different.


For sizes CA7-60...97 Contactors, YES!

CA7-85 Contactor

The CA7-60...97 Contactors can be converted from an AC coil to a DC coil (or DC to AC) in the field by ordering the repair coil part numbers listed in Sprecher+Schuh catalog.

Jason McCoy

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