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Instruction Leaflet

MD-3000

Effective: Date 03/2006

IB02602001E

For more information visit:

www.EatonElectrical.com

Initial Release

Caution - Refer to
Instruction Leaflet

AC 120-240 Vac, 50/60 Hz

MD 3001 Motor Differential

Term. 17/19

DC 48-250 Vdc

Power Supply Input..

Drawout Case

Fig. A-3 Rear View of MD-3001 Drawout Enclosure

Содержание CUTLER-HAMMER MD-3000 series

Страница 1: ...Effective March 2006 Initial Release per IQ 10256 IB02602001E INSTRUCTIONS FOR INSTALLATION OPERATION AND MAINTENANCE OF THE CUTLER HAMMER MD 3000 SERIES OF PROTECTIVE RELAYS...

Страница 2: ...Effective March 2006 Initial Release per IQ 10256...

Страница 3: ...TECTIVE RELAY HARDWARE 2 2 1 FRONT OPERATIONS 2 2 2 Rear Access Panel 2 2 3 EXTERNAL SECTION 3 OPERATION 3 1 INTRODUCTION 3 2 POWER UP AND SELF TESTING 3 3 PANEL OPERATIONS 3 4 TEST MODE SECTION 4 INS...

Страница 4: ...YLES 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 in...

Страница 5: ...ly one relay is required per three phase circuit An integral part of each device is the differential current monitoring and the ability to select protective functions THE LOSS OF CONTROL VOLTAGE WILL...

Страница 6: ...the pickup is exceeded If the current value drops below the pickup value the timing function resets Memory is NOT provided If the current value does not drop below pickup the amount of delay before tr...

Страница 7: ...ode will automatically exit if there is no activity for approximately 2 1 2 minutes Select Test Pushbutton Yellow The Select Test pushbutton is used after the test mode has been entered to select the...

Страница 8: ...he relay Become familiar with the functions and connections involved especially the following DIP Switches A set of ten DIP switches is located in the upper left portion of the rear panel These switch...

Страница 9: ...RF radiated Immunity to 10V M EN61000 4 4 1995 Electrical Fast Transient Immunity to 10V M IEC 255 22 4 1989 Electrical Fast Transient Immunity to 10V M EN61000 4 5 1995 Surge Immunity 2 1KV C DM EN6...

Страница 10: ...1 2 minutes To enter the Program Mode open the protective access cover and press and release the Program Mode On Off pushbutton The Program LED will blink green indicating that the Program Mode has be...

Страница 11: ...AND TESTING 4 1 INTRODUCTION This section describes mounting wiring startup and miscellaneous testing details associated with the MD 3000 Protective Relay INSURE THAT THE INCOMING AC POWER AND FOREIG...

Страница 12: ...For more information visit www EatonElectrical com Initial Release Fig 4 1 Cutout Dimensions Inches...

Страница 13: ...shown in Figure 3 1 An example of a typical wiring plan is shown in Figure 2 1 Note the following 1 The wires to the terminal blocks must not be larger than AWG No 14 Larger wire will not connect pro...

Страница 14: ...ase Fig 4 3 MD 3000 Typical Wiring Diagram With fault condition shown on phase C Note The above diagram shows a common wiring scheme when the relay is used in conjunction with a breaker The Differenti...

Страница 15: ...in the Replacement section below 5 1 1 STORAGE The MD 3000 Protective Relay should be stored in an environment that does not exceed the specified storage temperature range of 40 C to 70 C The environ...

Страница 16: ...ED OR REMOVED WITHOUT SUCH SUPPORT THE PROTECTIVE RELAY COULD FALL OR THE PANEL COULD BE DAMAGED Step 6 Mount the replacement unit Read the Mounting section of this document before attempting this Ste...

Страница 17: ...ars in Settings Display Window Check sum did not Match Replace Protective Relay if PGRM Reappears After Saving Settings Paragraph 5 3 ERR Appears in Setting There was an Error While in the Test Mode M...

Страница 18: ...lse tripping A3 0 INSTALLATION NOTE Please refer to the following section if you are using the MD 3001 Drawout Relay A3 1 PANEL PREPARATION When mounting the Drawout Case in a panel it is necessary to...

Страница 19: ...com Initial Release Fig A 2 MD 3001 Panel Mounting 18 17 Current Input Unused 29 27 Power Supply B2 C2 A2 Input 23 25 21 19 Unused 30 28 24 26 22 B1 C1 A1 Unused 20 Unused 11 15 13 12 Unused 16 14 Un...

Страница 20: ...E For more information visit www EatonElectrical com Initial Release Caution Refer to Instruction Leaflet AC 120 240 Vac 50 60 Hz MD 3001 Motor Differential Term 17 19 DC 48 250 Vdc Power Supply Input...

Страница 21: ...sides of the device are seated and latched into place Tabs on the MD 3001 Drawout Inner Chassis will prevent the inner chassis from being inserted upside down or being inserted into an enclosure of an...

Страница 22: ...ENT ALWAYS DISCONNECT ANY CONTROL OR SOURCE POWER BEFORE TOUCHING ANYTHING ON THE INTERNAL OR EXTERNAL PARTS OF THE DRAWOUT OUTER CASE When removing the Inner Chassis from the Drawout Outer Case first...

Страница 23: ...A PARTICULAR PURPOSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event...

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