Question

NEMA or IEC style starters and protectors?

Answer

NEMA
 NEMA has higher withstand ratings typically
o NEMA has a standard sizing scheme that provides for interchangeability from the different manufacturers.
o Designed with reserve capability.
o Molded coils
 IEC
o IEC has no standard sizing guidelines and rating selection is evaluated into utilization categories.
o Tape wound open coils.
 Both types have the same trip classes 10, 20, 30.

---

FAQ Subcategory: None

This item was last updated on 2001-08-27
Document ID: 859

---

The information provided in the AutomationDirect knowledge base is provided "as is" without warranty of any kind. AutomationDirect disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall AutomationDirect or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if AutomationDirect or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion of limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.