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Eaton Cutler-Hammer Digitrip 520MC Manual

With maintenance mode
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Digitrip 520MC with
Maintenance Mode

Table of Contents

1.0 General ................................................................... 2
2.0 Maintenance Mode Settings .................................... 2
3.0 Arming Maintenance Mode ...................................... 2
Courtesy of NationalSwitchgear.com
FIGURE 1. Digitrip 520MC with ARMs in Magnum Circuit Breaker
EATON CORPORATION Cutler-Hammer InformationSheets 70C1454H02
Supplement to I.L. 70C1037
4.0 Remote Indicator ..................................................... 3
5.0 Choosing the Reduction Setting .............................. 4
6.0 Tripping and Testing ................................................ 4
Wiring Diagram ............................................................... 5
Manufacturer's Statement ............................................... 6
Effective May 2006
I.S 70C1454
1

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Summary of Contents for Eaton Cutler-Hammer Digitrip 520MC

  • Page 1: Table Of Contents

    5.0 Choosing the Reduction Setting ......4 1.0 General ..............2 6.0 Tripping and Testing ..........4 2.0 Maintenance Mode Settings ........2 Wiring Diagram ............... 5 3.0 Arming Maintenance Mode ........2 Manufacturer’s Statement ..........6 EATON CORPORATION Cutler-Hammer InformationSheets 70C1454H02 Courtesy of NationalSwitchgear.com...

  • Page 2: General

    SAFETY PROCEDURES. separate from the normal system protection setting of Instantaneous. The Maintenance Mode is located in the EATON IS NOT LIABLE FOR THE MISAPPLICATION upper, white portion of the unit. OR MISINSTALLATION OF ITS PRODUCTS. 2.0 Maintenance Mode Settings The Maintenance Mode Settings (labeled R5, R4, R3, R2, R1) provide the Arc Flash Reduction setting.

  • Page 3: Remote Indicator

    Maintenance setting is armed. Refer to the ENABLE setting, the Maintenance Mode selection in diagram on page three for a wiring of this remote (blue the control screen of the Palm, Maintenance Mode is set. light) indicator. EATON CORPORATION Cutler-Hammer InformationSheets 70C1454H02 Courtesy of NationalSwitchgear.com...

  • Page 4: Choosing The Reduction Setting

    Maintenance Mode setting. The LCD display, if powered, will indicate this with four dashes. The Maintenance setting, external wiring (if any) and tripping functionality should be periodically verified by primary or secondary injection current testing. EATON CORPORATION Cutler-Hammer Information Sheets 70C1454H02 Courtesy of NationalSwitchgear.com...

  • Page 5: Wiring Diagram

    EATON CORPORATION Cutler-Hammer InformationSheets 70C1454H02 Courtesy of NationalSwitchgear.com...

  • Page 6: Manufacturer's Statement

    DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY The information recommendations, descriptions and safety notations in this document are based on Eaton’s experience and judgment and may not cover all contin- gencies. If further information is required an Eaton sales office should be consulted.