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Instruction Leaflet
Effective: Date 03/2006
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.
MD-3000 NEW
CATALOG #
STYLE #
66D2126G01
MD3000
66D2127G01
MD3001
MD-3000 NEW
CATALOG #
STYLE #
66D2129G01
MD3001-IC
66D2128G01
MD3001-OC
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.
MD-3000
IB02602001E
TABLE 1.1 MD-3000 PROTECTIVE RELAY FAMILY STYLES
DESCRIPTION
Motor/Generator Differential Relay –HR PS, PM
Motor/Generator Differential Relay –HR PS, DO
TABLE 1.2 MD-3000 DRAWOUT CASE REPLACEMENT PARTS
DESCRIPTION
MD3001 Differential Relay – Inner Chassis Only
MD3001 Outer Chassis Only
For use with MD3000-IC Protective Relays
For more information visit:
Initial Release
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.
www.EatonElectrical.com
NOTES
See Notes 1
NOTES
See Notes 1
See Notes 1
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