The AIC (ampere interrupting capacity) rating for panels is not set automatically by Design Master Electrical. You must manually set it.

To set it, go to “DM Electrical->On- Line Devices->Edit Existing One-Line Device”. Select the device you want to set the AIC rating on from the list.

The specific dialog box that appears will vary based upon the type of device you selected. The “Panel” dialog box is shown below. In all cases, the AIC rating is displayed in the top-right corner of the dialog box in the “Fault Analysis” section.

Use the “AIC Rating” drop down to set the rating for the device. A number of typical options are listed. If the value you want to use is not displayed, select “Custom” and use the edit box below to enter the value.

The default AIC rating for devices is set in the Options. To change this value, go to “DM Electrical->Customization->Options->Edit Project/Standards List.” The “Default One-Line Device AIC” option is at the very bottom of the list in the “Miscellaneous” section. The value that is set here is used when a new one-line device is created.