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CIRCUIT BREAKERS

Micrologic™ Electronic Trip Units

Micrologic Standard

Trip Unit

Micrologic Ammeter and

Energy Trip Unit

PowerPact™ H-, J-, and L-Frame Micrologic™ Trip Units

PowerPact™ H-, J-, and L-frame molded case circuit breakers may be

specified with any of the following Micrologic Electronic Trip Units.

Micrologic Standard 3.2/3.3 Trip Units

• True RMS sensing

• LI, LSI trip configurations

• Field-interchangeable trip units

• LED long-time pickup and trip indication

• Test kits available

• Thermal imaging

Micrologic Ammeter 5.2A/5.3A/6.2A/6.3A Trip Units

Includes all features listed for Micrologic standard trip unit, as well as:

• Advanced user interface

• Neutral protection

• Incremental fine tuning of settings

• Up to 12 alarms

• Digital ammeter—phase and neutral (4-pole only)

• Phase loading bar graph

• Maintenance indicators including contact wear, number of operations,

operating hours, and load profiles

• Cause of trip information for troubleshooting assistance

• LCD Display

• Zone-selective interlocking (ZSI) (short-time & ground-fault)

• Optional Modbus™ communications—PowerLogic™ compatible

Micrologic Energy 5.2E/5.3E/6.2E/6.3E Trip Units

Includes all features listed for Micrologic ammeter trip unit, as well as:

• Ground-fault trip with programmable ground fault alarm (available on

6.2E/6.3E only)

• Power and energy measurement

• Power quality measurements

• Current demand and power demand measurements

Micrologic Trip Unitsf for PowerPact H-, J-, and

L-Frame Circuit breakers

x– Standard Feature o – Av ailable Option

Features

Standard Ammeter Energy

3.2/3/3 3.2S/3.3S 5.2A/5.3A 6.2A/6.3A 5.2E/5.3E 6.2E/6.3E

LI x

LSIa x x x

LSIG / Ground-Fault Tripb x x

Ground-F ault Alarm/Tripb x x

Current Setting Directly in Amperes x x x x x x

True RMS Sensing x x x x x x

UL Listed x x x x x x

Thermal Imaging x x x x x x

LED for Long-time Pickup x x x x x x

LED for Green “Ready” x x x x x x

Up to 12 Alarms Used Together x x x x

Digital Ammeter x x x x

Zone-selective Interlockingc x x x x

Communications o o o o o o

LCD Display x x x x

F ront Display Module FDM121 o o o o

Advanced User Interface x x x x

Neutral Protectionb x x x x

Contact Wear Indicationd x x x x

Incremental Fine Tuning of Settings x x x x

Load Profiled,e x x x x

P o wer Measurement x x

P o wer Quality Measurements x x

a The LSI with 3.2S/3.3S trip units have fixed short time and long time delays.

b Requires neutral

current transformer on the three-phase four-wire loads

c ZSI for H/J frames is only OUT. for L-frame ZSI is In and OUT.

d Indication available

using the communication system only.

e % of hours in 4 current ranges: 0–49%, 50–79%, 80–89%, and >90% In.

f DC not available with electronic trip units.

Micrologic Trip Unit Settings for H- and J-Frame

Model Trip Function Trip Unit Ampere Setting

Standard

LI 3.2

15-20-25-30-35-40-45-50-60

35-40-45-50-60-70-80-90-100

50-60-70-80-90-100-110-125-150

70-80-100-125-150-175-200-225-250

LSI 3.2S

15-20-25-30-35-40-45-50-60

35-40-45-50-60-70-80-90-100

50-60-70-80-90-100-110-125-150

70-80-100-125-150-175-200-225-250

Ammeter

LSI 5.2A

15–60

35–100

50–150

70–250

LSIG 6.2A

15–60

35–100

50–150

70–250

Energy

LSI 5.2E

15–60

35–100

50–150

70–250

LSIG 6.2E

15–60

35–100

50–150

70–250

Micrologic Trip Unit Settings for L-Frame

Model Trip Function Trip Unit Ampere Setting

Standard

LI 3.3

70-80-100-125-150-175-200-225-250

125-150-175-200-225-250-300-350-400

200-225-250-300-350-400-450-500-600

LSI 3.3S

70-80-100-125-150-175-200-225-250

125-150-175-200-225-250-300-350-400

200-225-250-300-350-400-450-500-600

Ammeter

LSI 5.3A

125–400

200–600

LSIG 6.3A

125–400

200–600

Energy

LSI 5.3E

125–400

200–600

LSIG 6.3E

125–400

200–600

Class 611 / Refer to Catalog 0611CT1001

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