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MICROLOGIC 6.0 A

Electronic Trip Unit with Ammeter and Ground-Fault Protection
In Stock
Ships by Saturday, September 12
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Product Describe:

Schneider Electric MICROLOGIC 6.0 A is an electronic circuit-breaker trip unit with ammeter and ground-fault protection. It measures circuit current and commands the compatible breaker to trip according to the approved LSIG protection settings.

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Technical specifications for MICROLOGIC 6.0 A

Technical specifications for MICROLOGIC 6.0 A

  • Manufacturer:
    Schneider Electric
  • Product Category:
    General Automation
  • Spare Part Number:
    MICROLOGIC 6.0 A
  • Estimated shipping dimensions:
    5.8x7.2x19.8cm
  • Weight:
    0.2 kg
  • Tariff Code:
    8537101190
  • Counliy of origin:
    France
  • Trip-unit designation:
    MicroLogic 6.0 A
  • Protection functions:
    Long-time; short-time; instantaneous; ground fault
  • Current measurement:
    RMS
  • Measured currents:
    I1; I2; I3; IN; Ig
  • Stored current maxima:
    I1max; I2max; I3max; INmax; Igmax
  • Long-time pickup Ir:
    0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.95; 0.98; 1 x In
  • Long-time delay tr at 6 x Ir:
    0.5; 1; 2; 4; 8; 12; 16; 20; 24 s
  • Short-time pickup Isd:
    1.5; 2; 2.5; 3; 4; 5; 6; 8; 10 x Ir
  • Short-time pickup accuracy:
    +/-10%
  • Short-time delay tsd; I2t OFF:
    0; 0.1; 0.2; 0.3; 0.4 s
  • Short-time delay tsd; I2t ON:
    0.1; 0.2; 0.3; 0.4 s
  • Instantaneous pickup Ii:
    2; 3; 4; 6; 8; 10; 12; 15 x In; OFF
  • Instantaneous pickup accuracy:
    +/-10%
  • Instantaneous fixed delay:
    20 ms
  • Ground-fault modes:
    Residual; Source Ground Return
  • Ground-fault pickup selector:
    Positions A through I
  • Ground-fault delay tg; I2t OFF:
    0; 0.1; 0.2; 0.3; 0.4 s
  • Ground-fault delay tg; I2t ON:
    0.1; 0.2; 0.3; 0.4 s
  • Source-ground-return sensor distance:
    10 m maximum
  • ZSI logic signal:
    0 or 5 V
  • ZSI cable impedance:
    2.7 Ohm maximum per 300 m
  • ZSI terminal conductor:
    0.4 to 2.5 mm2
  • ZSI conductor maximum section:
    3.5 mm2 including insulation
  • ZSI total cable length:
    3000 m maximum
  • ZSI output fan-out:
    10 inputs maximum
  • ZSI input fan-in:
    100 devices maximum
  • Display current threshold:
    0.2 x In

Information

Information

Overview Manuals Common Applications Product Precautions
Schneider Electric MICROLOGIC 6.0 A is an electronic circuit-breaker trip unit with ammeter and ground-fault protection. It measures circuit current and commands the compatible breaker to trip according to the approved LSIG protection settings.
  • Combines selective overcurrent protection with equipment ground-fault protection
  • Measures phase, neutral and ground-fault currents for local ammeter display
  • Coordinates upstream and downstream trip units through zone selective interlocking
  • Supports controlled replacement, rating-plug checks and secondary-injection testing

MICROLOGIC 6.0 A installs with compatible MasterPacT or PowerPacT circuit breaker, matching adjustable long-time rating plug, optional external source-ground-return sensor, approved trip-unit test equipment in an engineered MicroLogic A Electronic Trip Units configuration.

The commissioning workflow covers installed-hardware matching, controlled start-up and functional verification for this electronic trip unit with ammeter and ground-fault protection.

Important Notice: Confirm the complete MICROLOGIC 6.0 A marking, installed-system configuration, field connections and controlled functional test before commissioning or replacement.

Apter Power MICROLOGIC 6.0 A Manuals and Guides
Apter Power MICROLOGIC 6.0 A Product Technical Reference PDFSchneider Electric MICROLOGIC 6.0 A Official Manual PDF
The first document is an Apter Power model-specific technical reference. The second supports model-specific installation, configuration and engineering verification.
Selective protection in low-voltage distribution switchboardsCombines selective overcurrent protection with equipment ground-fault protection
Ground-fault protection for feeder and main circuit breakersMeasures phase, neutral and ground-fault currents for local ammeter display
Zone-selective-interlocking coordination between breaker levelsCoordinates upstream and downstream trip units through zone selective interlocking
Current monitoring and protection verification during commissioningSupports controlled replacement, rating-plug checks and secondary-injection testing
Read the applicable Schneider Electric installation instructions before work. Verify MICROLOGIC 6.0 A and the installed MicroLogic A Electronic Trip Units configuration.
1Verify the complete MICROLOGIC 6.0 A designation, breaker frame and rating-plug execution before work.
2Open, isolate and discharge all breaker power sources before removing the trip unit or rating plug.
3Record Ir, tr, Isd, tsd, Ii, Ig, tg, neutral and I2t selections before replacement.
4Preserve ZSI terminal identity and install the required Z3-Z4-Z5 jumper when ZSI is not used.
5For source-ground-return protection, keep the external sensor circuit within the documented distance and wiring rules.
6Use ESD controls and protect the trip-unit connector and circuit-breaker mating interface.
7Restore only coordination-study-approved settings; do not copy settings from another feeder.
8Perform the ground-fault and trip-unit tests and confirm indication, breaker opening and reset before energization.

Technical notes

Technical notes

Before installing MICROLOGIC 6.0 A, isolate the breaker, match the breaker frame and rating plug, record every LSIG and neutral setting, then verify the restored settings and trip functions with approved test equipment.

FAQS

  • Which breaker details must match Schneider Electric MICROLOGIC 6.0 A before replacement?
    Match the circuit-breaker family and frame, sensor and neutral arrangement, adjustable rating plug, ground-fault method, ZSI wiring and the complete trip-unit designation.
  • Which settings should be recorded before removing Schneider Electric MICROLOGIC 6.0 A?
    Record Ir, tr, Isd, tsd, I2t selection, Ii, Ig, tg, neutral protection and any ZSI terminal connections before the trip unit is disturbed.
  • How does Schneider Electric MICROLOGIC 6.0 A handle ground-fault protection?
    The official instruction bulletin supports residual and Source Ground Return arrangements; the installed sensor circuit and Ig/tg settings must match the engineered breaker scheme.
  • What happens to Schneider Electric MICROLOGIC 6.0 A ZSI timing when the ZSI jumper is missing?
    For a unit not connected into a ZSI scheme, the required Z3-Z4-Z5 jumper must be present; the manual warns that short-time and ground-fault delays otherwise default to zero.
  • How should Schneider Electric MICROLOGIC 6.0 A be tested after installation?
    Use approved test equipment and the Schneider procedure to verify trip-unit operation, ground-fault protection, indication and breaker opening without placing the energized installation at risk.
  • Can Schneider Electric MICROLOGIC 6.0 A settings be copied from an adjacent feeder?
    No. Restore the values approved for the protected circuit and its coordination study because breaker rating, conductor duty and upstream/downstream selectivity can differ.
  • Which current values can Schneider Electric MICROLOGIC 6.0 A display for diagnostics?
    MicroLogic A measures instantaneous RMS phase currents and stores current maxima; neutral and ground-fault values depend on the installed breaker and sensing arrangement.
  • What should be retained after commissioning Schneider Electric MICROLOGIC 6.0 A?
    Retain the exact trip-unit and rating-plug identity, as-left LSIG and neutral settings, ZSI wiring status, ground-fault test result and final breaker functional-test record.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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