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Product Description

Digitrip E trip units are breaker subsystems that provide the protective functions of a circuit breaker. The trip units are in removable housings, installed in the breaker, and can be replaced or upgraded in the field by the customer. Digitrip trip units are installed in Magnum E and Magnum DS breakers. Rating plug not included.

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EATON Digitrip™ Magnum® 2A11799G20 520MC LSI Breaker Trip Unit, Universal Frame, For Use With Universal Frame Magnum DS Series Air Circuit Breaker

Eaton's Magnum® DS Low Voltage Power Circuit Breakers offer the highest ANSI interrupting and withstand ratings in the industry in the smallest physical size and are the most easily maintained ANSI breakers on the market. Magnum SB are insulated-case power circuit breakers designed for the performance and economic requirements of UL 891. Both are ideal for switchgear and switchboards, providing excellent safety, flexibility, and a high level of performance. Magnum breakers for IEC and DC applications are also available.

EECO #: CH2A11799G20 CH2A11799G20

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  • Power distribution unit
  • Cutler-Hammer Magnum Digitrip 520MCi

Eaton Cutler-Hammer Magnum Digitrip 520MCi Manuals

Eaton Cutler-Hammer Magnum Digitrip 520MCi Instructions Manual

Eaton Cutler-Hammer Magnum Digitrip 520MCi Instructions Manual (40 pages)

Table of contents.

  • Table of Contents 1

1 General Description of Digitrip Trip Units

  • Protection 5
  • Mode of Trip and Status Information 5
  • Installation of the Trip Unit 5
  • Rating Plug Installation 5
  • Trip Unit/Rating Plug Removal 6
  • Plexiglass Cover 7
  • (520M & 520MC Models Only) 7
  • Auxiliary Power 7
  • Ground Alarm 7
  • Ground Fault Trip 7
  • Ground Fault Alarm 7
  • High Load Alarm 7
  • Display Feature (520M and 520MC Only) 8
  • Standards 8

2 General Description of Magnum Circuit Breakers

  • Low Energy Trip Actuator 9
  • Residual Sensing 10
  • Source Ground Sensing 10
  • Zero Sequence Sensing 10
  • Multiple Source/Multiple Ground 10
  • Ground Fault Settings 11
  • Current Sensors (Magnum Frames Less than or Equal to 3200A) 11
  • Current Sensors (Magnum Frames Greater than 3200A) 11

3 Principles of Operation

  • (Current Sensor Ratings and Rating Plugs) 11
  • Trip and Operation Indicators 16
  • Making Current Release 16
  • Zone Interlocking (520 Family Only) 16

4 Protection Settings

  • Long Delay Current Setting 21
  • Long Delay Time Setting 22
  • Short Delay Current Setting 22
  • Short Delay Time Setting 22
  • Instantaneous Current Setting 22
  • Ground Fault Current Setting 23
  • Ground Fault Time Delay Setting 23
  • Breaker Interface Module (BIM) 23
  • Remote Master Computer 24
  • INCOM Network Interconnections 24

5 Test Procedures

  • When to Test 25
  • Field Test Kit 25
  • Description of Handheld Test Kit 26
  • Test Procedure 26
  • Currents 26
  • Batteries 26
  • Code Requirements 26
  • Standards Requirements 26
  • General Test Instructions 26
  • Performance Testing for Ground Fault Trip Units - Primary Injection 27
  • Battery Check 28
  • Battery Installation and Removal 28

7 Frame Ratings

8 record keeping, 9 references.

  • Magnum and Magnum DS Circuit Breakers 29
  • Time-Current Curves 29

Appendix A Zone Interlocking Examples

Appendix b troubleshooting guide, appendix c typical breaker master conn. diagram, appendix d modbus translator wiring.

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Eaton Cutler-Hammer Magnum Digitrip 520MCi Instructional Leaflet

Eaton Cutler-Hammer Magnum Digitrip 520MCi Instructional Leaflet (40 pages)

  • Table of Contents 2
  • Dtscripoinn Pagt 2
  • List of Figures 3
  • List of Tables 4
  • Installation and Removal 8
  • Plexiglass Cover 9
  • Ground Alarm/Power Supply Module (520M/MC Models Only) . 9 Display Feature (520M and 520MC Only) 10
  • Standards 10
  • Low-Energy Trip Actuator 11
  • Ground Fault Protection 11
  • Current Sensors (Magnum Standard Frames) 17
  • Current Sensors (Magnum Double-Wide Frames) 17
  • Trip and Operation Indicators 17
  • Making Current Release 17
  • Zone Interlocking 17
  • Long Delay Current Setting 22
  • Long Delay Time Setting 23
  • Short Delay Current Setting 23
  • Short Delay Time Setting 23
  • Instantaneous Current Setting 24
  • Ground Fault Current Setting 24
  • Ground Fault Time Delay Setting 24
  • INCOM (Digitrip 520MC Models Only) 25
  • When to Test 26
  • Functional Field Testing 26
  • Primary Injection 27
  • Battery Check 29
  • Battery Installation and Removal 29
  • Section 7: Frame Ratings (Sensor Ratings and Rating Plugs) 30
  • Section 8: Record Keeping 30
  • Time-Current Curves 31
  • Maintenance Mode Settings 32
  • Arming Maintenance Mode 32
  • Remote Indicator 32
  • Choosing the Reduction Setting 32
  • Tripping and Testing 32
  • Appendix A: Zone Interlocking Examples 34
  • Appendix B: Troubleshooting Guide 36
  • Appendix C: Typical Breaker Master Connection Diagram 37
  • Appendix D: Modbus Translator Wiring 38

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Product Key Features

  • Mounting Style Unit
  • Break Time Instantaneous
  • Model Eaton DIGITRIP 520MC 5ARMLSI

Cutler-Hammer Thermistors

Cutler-hammer plc processors, cutler-hammer fixed resistors, cutler-hammer industrial circuit breakers, cutler-hammer industrial switches, cutler-hammer circuit breakers & disconnectors.

IMAGES

  1. EATON Cutler-Hammer DIGITRIP 520MC 5ARMLSIG Trip Unit

    520mc trip unit

  2. 5CLSIA Digitrip 520MC Trip Unit 70C1144G34 EATON CUTLER HAMMER

    520mc trip unit

  3. EATON 2A11799G34 DIGITRIP 520MC 5ARMLSI PROGRAMMER 6000A AMP TRIP UNIT

    520mc trip unit

  4. EATON 2A11799G34 DIGITRIP 520MC 5ARMLSI PROGRAMMER 6000A AMP TRIP UNIT

    520mc trip unit

  5. 5CLSIA Digitrip 520MC Trip Unit 70C1144G34 EATON CUTLER HAMMER

    520mc trip unit

  6. EATON CUTLER HAMMER DIGITRIP 520MC CAT. NO. 5ARMLSIG TRIP UNIT CIRCUIT

    520mc trip unit

VIDEO

  1. Unit 3 TRIP TO THE MARKET

  2. Interchange 5 Level 1 Unit 7 MY TRIP TO LONDON

  3. ONGC HAZIRA CISF UNIT TRIP TO RAINBOW WATER PARK IN SURAT

  4. Ecoca MT 520MC

  5. My trip to the gauge-master model Center

  6. electronic trip unit how it work

COMMENTS

  1. PDF Digitrip Trip 520 units for use in Magnum Low Voltage Circuit Breakers

    The Digitrip 520, 520M, and 520MC trip units may be applied on both 50 and 60 Hz systems. Figurt 1. Digiorip 520MC Trip Unio wioh Raoing Plug Auxiliary Power Module Input Rating Plug Protection Settings Cause of Trip LED INCOM Transmit LED Test Port (covered) Four- Character LCD All trip unit models are microprocessor-based AC protection devices

  2. PDF Digitrip 520 / 520M / 520MC / 520 / 520M / 520MCi Instantaneous ...

    For Magnum MDSX/SBSE Standard Frame Current Limiting Power Circuit Breaker, an additional High Instantaneous Trip Module is provided in the circuit breaker set to pickup at 56.5kA ±7.5% instantaneous peak current level (30kA symmetrical RMS at 15% power factor). This protection is functional even when Instantaneous is set to the position.

  3. PDF Instructions for digitrip models 520v and 520mcv for use only ...

    Figure 1.1 Digitrip Trip Unit with Rating Plug The Digitrip 520V and 520MCV trip units may be applied on both 50 and 60 Hertz systems. It detects the power and frequency and adjusts itself automatically. The Digitrip 520V and 520MCV are self powered and self protecting trip units designed to function only with the associated CH Type-V current ...

  4. EATON CUTLER-HAMMER DIGITRIP 520MC MANUAL Pdf Download

    View and Download Eaton Cutler-Hammer Digitrip 520MC manual online. with Maintenance Mode. Cutler-Hammer Digitrip 520MC industrial electrical pdf manual download. Sign In Upload. ... 3-pole and 4-pole trip unit installation and operation with l-frame and mdl-frame series c circuit breakers (14 pages)

  5. Understanding Magnum Digitrip Trip Units: Features, Functions, and

    Notably, only models 520MC and 520MCi provide communications. Appendix B in the 520 series trip unit instructional leaflet contains a valuable troubleshooting guide for users' reference. These trip units offer various protection settings options, each catering to specific requirements: - 520: Long delay, Instantaneous

  6. EATON DIGITRIP 520 INSTRUCTIONAL LEAFLET Pdf Download

    Page 16 520MC, 520MCi trip units for use only in Effective October 2009 Magnum and Magnum DS circuit breakers Source Black Digitrip 520 Trip with GF Actuator Load This scheme uses a large zero sequence CT to magnetically sum the currents and the output is sensed via element R A jumper is required on B-6, B-7 to program the Digitrip to use ...

  7. PDF Digitrip 520MC with Maintenance Mode Trip

    3. Total clearing times shown include the response times of the trip unit, the breaker opening and the interruption of the current. Clearing times are shown with auxiliary power present. 4. The Digitrip 520MC will light the Instantaneous LED for a Maintenance Mode Trip. 5. Nominal Reduction Values (Pickup)(Tolerance is ± 15%)

  8. PDF Series NRX Digitrip 520/520M trip units operating manual

    This instruction book specifically covers the application of Digitrip 520/520M units installed in Series NRX circuit breakers. The Digitrip trip units are circuit breaker subsystems that provide the protective functions of a circuit breaker. The primary function of the trip unit is circuit protection but some models offer additional features ...

  9. Eaton Cutler-Hammer Digitrip 520MC Manuals

    Eaton Cutler-Hammer Digitrip 520MC Manuals. Manuals and User Guides for Eaton Cutler-Hammer Digitrip 520MC. We have 3 Eaton Cutler-Hammer Digitrip 520MC manuals available for free PDF download: Instructions Manual, Instructional Leaflet, Manual.

  10. 520MC Trip Module #5ARMLSIG with Maintenance Mode

    5ARMLSIG. Digitrip E trip units are breaker subsystems that provide the protective functions of a circuit breaker. The trip units are in removable housings, installed in the breaker, and can be replaced or upgraded in the field by the customer. Digitrip trip units are installed in Magnum E and Magnum DS breakers. Rating plug not included.

  11. EATON Digitrip™ Magnum® 2A11799G20 520MC LSI Breaker Trip Unit

    EATON Digitrip™ Magnum® Breaker Trip Unit, 520MC LSI, Universal Breaker Frame Type, For Use With: Universal Frame Magnum DS Series Air Circuit Breaker, 8 x 5-1/2 x 3-1/2 in. MFG #: 2A11799G20. EECO #: CH2A11799G20 CH2A11799G20. Brand: Eaton UPC #: 786685707822. Attributes . Features ...

  12. PDF Circuit Breaker Time / Current Curves (Phase Current)

    3. The Long Delay Pickup Point (indicated by rapid flashing of Unit Status LED on the product) occurs at 110%, with a ±5% tolerance. The Instantaneous settings have conventional 100% ±10% at the pick up points. 4. With Zone Selective Interlocking enabled, max trip times w/o aux power are as follows: 3-phase fault 60 Hz 75ms 50 Hz 85ms

  13. PDF Instructions for Digitrip Models 220, 520, 520, 520M, and 520Mi Trip

    The current sensors provide operating power to the trip unit. As current begins to flow through the breaker, the sensors generate a secondary current which powers the trip unit. The Digitrip 520 family of trip units provides five phase and two ground (time-current) curve shaping adjustments. To satisfy the protection needs of any specific ...

  14. Replacement Part, Magnum Trip Unit, Digitrip 520MC LSI with ARMS

    Replacement Part, Magnum Trip Unit, Digitrip 520MC LSI with ARMS DigitripE trip units are breaker subsystems that provide the protective functions of a circuit breaker. The trip units are in removable housings, installed in the breaker, and can be replaced or upgraded in the field by the customer .

  15. Magnum Low voltage power circuit breakers

    IL70C1037H05: Magnum Digitrip 520, 520M, 520Mi, 520MC, and 520MCi trip units user manual Download

  16. PDF Digitrip 520mcv with maintenance mode

    Control voltage is 120VAC or 230VAC or 24-48VDC or 125VDC. Check circuit breaker front cover for Trip Unit power requirements. A remote Stack Light, Annunciator Panel or other remote indication device can be connected to verify that the Digitrip is in the Maintenance Mode. Relay in GF Alarm/PS Module closes when Maintenance Mode is armed.

  17. 2A11799G11

    Digitrip 520Mc Lsia With Arms Quick view. 2A11799G09 $1,311.34. $1,387.75 Digitrip 520 (Li) Quick view. 2A11799G12 $3,173.35. $3,358.25 5Wlsig Digitrip 520I Trip Unit ... Wistex offers the Eaton 2A11799G11 as a 5Lsig Digitrip 520 Trip Unit. Visit our site for more information on our extensive product line.

  18. Eaton Cutler-Hammer Magnum Digitrip 520MCi Manuals

    Trip Units for use in Magnum and Magnum DS Circuit Breakers. Brand: Eaton | Category: Power distribution unit ... (520M/MC Models Only) . 9 Display Feature (520M and 520MC Only) 10. Standards. 10. Section 2: General Description of Magnum Circuit Breakers. 11. General. 11. Low-Energy Trip Actuator. 11. Ground Fault Protection. 11.

  19. Replacement Part, Magnum Trip Unit, Digitrip 520MC LSI with ARMS

    The trip units are in removable housings, installed in the breaker, and can be replaced or upgraded in the field by the customer. Also known as: 786685707181, 2A11799G34. Mounting: Device. Type: Trip Unit. Replacement Part, Magnum Trip Unit, Digitrip 520MC LSI with ARMS, Cat #: 2A11799G34, Mfr: Eaton.

  20. Magnum Digitrip Communications

    The Magnum 520MC and 1150 trip units have INCOM communications. These can be wired to the input of a Power Xpert Gateway which has an Ethernet output. Here you can view the settings and turn on Maintenance Mode (ARMS). On the 520MC trip unit, if ARMS is turned on through communications, it must also be turned off through communications; turning ...

  21. PDF Circuit BreakerTime / Current Curves (Phase Current)

    Circuit Breaker Time / Current Curves (Phase Current) Magnum MDSX / SBSE Circuit Breakers Response: Instantaneous Trip This curve is for 50Hz and 60Hz applications. 1. There is a memory effect that can act to shorten the Long Delay.The memory effect comes into play if a current above the Long Delay pick up value exists for a time and then is ...

  22. Eaton 5ARMLSI Magnum DS Digitrip 520mc LSI Trip Unit Cutler Hammer

    Square D QO120 20 Amp Circuit Breaker. $8.00. Trending at $13.32. Find many great new & used options and get the best deals for Eaton 5ARMLSI Magnum DS Digitrip 520mc LSI Trip Unit Cutler Hammer at the best online prices at eBay! Free shipping for many products!

  23. PDF Characteristic Curves for 520 and 520 Trip Units AD01301004EH03

    automatic trip indicated by the Long Delay (orange) LED. 4. This curve is shown as a multiple of the Long Delay Setting. 5. If Long Delay Thermal Memory is enabled, trip times may be shorter than indicated on this chart. 6. The Long Delay Pickup Point (indicated by rapid flashing of Unit Status LED on the product) occurs at 110%, with a ±10% ...