PRODUCT PROFILE CURRENT TRANSFORMER MODEL 1411-126 Application Metering. Frequency 50-400 Hz. Insulation Level 0.6 kV, 10 kV BIL full wave. * Terminals are brass studs No. 10-32 UNC with one flatwasher, and lockwasher. * Approximate weight 5.5 lbs. WINDOW DIAMETER 8.25" REGULATORY AGENCY APPROVALS Manufactured to meet the requirements of ANSI/IEEE C57.13. Classified by U.L. in accordance with IEC 44-1 SPECIFICATIONS Publication 1411-PP003A-EN-P - August 2005 Copyright (c)2005 Rockwell Automation, Inc. All Rights Reserved. Printed in USA.