Which motor starter type described is rebuild-able?

• A. Large NEMA style (rebuild-able)
• B. IEC - small throw away
• C. Solid-state starter
• D. Hydraulic starter

Answer: (A)

In motor starter maintenance, rebuild-ability comes from modular, field-serviceable construction. Large NEMA style starters use a replaceable contactor block with interchangeable coils, overload relays, and mechanical linkages, so worn parts can be swapped out and the unit refreshed. That design mindset supports rebuilding in the field or at a service shop.

In contrast, IEC small starters are compact and integrated units designed for replacement rather than rebuilds; solid-state starters rely on delicate electronics where repairs aren’t practical, so replacement is standard; hydraulic starters involve fluid and seals and aren’t typically rebuilt as a routine practice, with repairs usually meaning replacing the unit or major components.