Instruction Leaflet
MD-3000
Effective: Date 03/2006
IB02602001E
For more information visit:
www.EatonElectrical.com
Initial Release
SECTION 1: INTRODUCTION
1-1 PRELIMINARY COMMENTS AND SAFETY
PRECAUTIONS
This technical document describes installation, application,
operation, and maintenance of the Eaton Cutler-Hammer
MD-3000 Family of Protective Relays.
Table 1.1 shows all of the MD-3000 Family products that
are covered by this Instruction Book.
Appendix A describes product specifics regarding the MD-
3001 Drawout.
THE INFORMATION PROVIDED IN THE
APPENDICES SUPERCEDE THAT IN THE MAIN
PORTION OF THIS BOOK.
The MD-3001 Drawout Case styles replacement parts can
be ordered separately. Please refer to Table 1.2 for a list
of these style numbers.
NOTE: THE TERM “MD-3000”, AS USED IN THIS
INSTRUCTION BOOK IB02602001E, APPLIES TO ALL
MD-3000 FAMILY PRODUCT STYLES LISTED IN
TABLES 1.1 AND 1.2
This document is provided as a guide for authorized and
qualified personnel only. Please refer to the specific
CAUTION in Section 1-1.2 before proceeding. If further
information is required regarding a particular installation,
application or maintenance activity, please contact an
Eaton Cutler-Hammer representative.
TABLE 1.1 MD-3000 PROTECTIVE RELAY FAMILY STYLES
MD-3000 NEW
STYLE #
CATALOG #
DESCRIPTION
NOTES
66D2126G01
MD3000
Motor/Generator Differential Relay –HR PS, PM
66D2127G01
MD3001
Motor/Generator Differential Relay –HR PS, DO
See Notes 1
TABLE 1.2 MD-3000 DRAWOUT CASE REPLACEMENT PARTS
MD-3000 NEW
STYLE #
CATALOG #
DESCRIPTION
NOTES
66D2129G01
MD3001-IC
MD3001 Differential Relay – Inner Chassis Only
See Notes 1
66D2128G01
MD3001-OC
MD3001 Outer Chassis Only
For use with MD3000-IC Protective Relays
See Notes 1
Abbreviations:
HR PS = High Range 120-240Vac / 48-250Vdc Power Supply
IC = Inner Chassis
PM = Panel Mount
DO = Draw Out
OC = Outer Chassis
Notes:
1.
Additional product specifications and information in Appendix
A.
