I.B. 17555C
Effective November 1999
Page A1
Appendix A
Table of Contents
Page
1.0
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1
2.0
General Description . . . . . . . . . . . . . . . . . . . . . . A1
3.0
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A1
4.0
Wiring and Setup . . . . . . . . . . . . . . . . . . . . . . . . A3
5.0
Application Consideration . . . . . . . . . . . . . . . . . A6
6.0
Drawout Operation. . . . . . . . . . . . . . . . . . . . . . . A7
1.0
INTRODUCTION
Appendix A describes the Drawout Case option for the
Digitrip 3000 Protective Relay. Table lists the Drawout
Case versions.
2.0
GENERAL DESCRIPTION
The purpose of the DT3001 is to allow the device to be
removed from gear, using a “quick disconnect” type strat-
egy. The Digitrip 3001 Drawout Relay maintains the same
electrical and operating specifications as the standard
Digitrip 3001 (see pg. 17), with the addition of the follow-
ing Drawout connector specifications.
The Drawout Outer Case consists of two assemblies, a
molded plastic outer flange with “quick release” actuators
and locking mechanism, and the aluminum housing with
terminal blocks.
The Drawout terminal blocks features self-shorting, or
short-before-break contacts, for ct connections that main-
tain circuit continuity when the device is removed. These
self-shorting contacts will prevent damaging voltages
from existing across the current transformer windings.
The terminal blocks feature a 2-stage disconnect opera-
tion. Removal of the DT3001 Inner Chassis will discon-
nect the trip circuits and short the ct secondaries before
the unit control power is disconnected. Upon insertion of
the Inner Chassis, the control power connections are
made before the trip circuits are activated.
This feature
provides added security against false tripping.
Fig. A-1
Digitrip 3001 Drawout Relay
3.0
INSTALLATION
NOTE: The following material replaces section 5-4,
on page 35.
3.1
PANEL PREPARATION
When mounting the Drawout Case in a panel, it is neces-
sary to prepare a cutout for the device per Fig. 5-1 Cutout
Dimensions
. If a standard IQ cutout exists, no additional
panel setup is required; the Drawout will mount in the
existing 6-hole cutout.
TABLE A-1 ORDERING INFORMATION
Description
Cat. No.
Style No.
Digitrip 3000 Drawout Relay
DT3001
4D13124G11
Digitrip 3000 Drawout Inner Chassis
DT3001-IC
66D2001G01
Digitrip 3000 Drawout Outer Case
DT3001-OC
66D2005G01
Digitrip 3030 Drawout Relay
DT3031
4D13124G04
Digitrip 3030 Drawout Inner Chassis
DT3031-IC
66D2001G04
Digitrip 3030 Drawout Outer Case
DT3031-OC
66D2005G04
TABLE A-2 ADDITIONAL SPECIFICATIONS
Make/Break Rating
10 A @ 240 Vac nominal
0.25 A @ 280 Vdc maximum
Terminal Wire Gauge
No. 14 to No. 10 AWG
Screw Torque Requirements
18 inch-pounds
Meets ANSI C37.90.2 (1995) to 28
V/m.
Summary of Contents for Cutler-Hammer Digitrip 3000
Page 18: ...I B 17555C Effective November 1999 Page 12 Fig 2 1 Typical Communications Wiring Diagram...
Page 27: ...I B 17555C Effective November 1999 Page 21 Fig 3 1 Digitrip 3000 Typical Wiring Diagram...
Page 36: ...I B 17555C Effective November 1999 Page 30 Fig 3 11 Local Programming Sequence Flow Chart...
Page 37: ...I B 17555C Effective November 1999 Page 31...
Page 52: ...I B 17555C Effective November 1999 Page 46 Fig 7 5 Short Delay Phase Curves SC 5394 92B...
Page 54: ...I B 17555C Effective November 1999 Page 48 Fig 7 7 Instantaneous Curves SC 5396 92B...
Page 59: ...I B 17555C Effective November 1999 Page 53 Fig 7 12 Short Delay Ground Curves SC 5403 92B...
Page 60: ...I B 17555C Effective November 1999 Page 54 Fig 7 13 ANSI Moderately Inverse Curves SC 6685 96...
Page 61: ...I B 17555C Effective November 1999 Page 55 Fig 7 14 ANSI Very Inverse Curves SC 6686 96...
Page 62: ...I B 17555C Effective November 1999 Page 56 Fig 7 15 ANSI Extremely Inverse Curves SC 6687 96...
Page 63: ...I B 17555C Effective November 1999 Page 57 Fig 7 16 IEC A Moderately Inverse Curves SC 6688 96...
Page 64: ...I B 17555C Effective November 1999 Page 58 Fig 7 17 IEC B Very Inverse Curves SC 6689 96...
Page 65: ...I B 17555C Effective November 1999 Page 59 Fig 7 18 IEC C Extremely Inverse Curves SC 6690 96...
Page 66: ...I B 17555C Effective November 1999 Page 60 Fig 7 19 IEC D Flat Curves SC 6691 96...
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Page 73: ...I B 17555C Effective November 1999 Page A5 Fig A 7 DT3001 Typical Wiring Diagram...
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Page 81: ...I B 17555C Effective November 1999 Page B5 Fig B 2 Digitrip 3010 3020 Dimensions Inches...
Page 83: ...I B 17555C Effective November 1999 Page B7 Fig B 3 Digitrip 3010 3020 Typical Wiring Diagram...
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