BCS Throttle Management - SharePoint 2010

In order to check theBCS item limit run the following command:

$bdcProxy = Get-SPServiceApplicationProxy | where {$_.GetType().FullName -eq ('Microsoft.SharePoint.BusinessData.SharedService.' + 'BdcServiceApplicationProxy')}
  
$dbRule = Get-SPBusinessDataCatalogThrottleConfig -Scope Database -ThrottleType Items -ServiceApplicationProxy $bdcProxy

Result:

Scope: Database
ThrottleType: Items
Enforced: True
Default : 3000

Max: 1000000

Reference:

http://blogs.msdn.com/b/bcs/archive/2010/02/16/bcs-powershell-introduction-and-throttle-management.aspx