SE Digest 178

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

MicroLogic™ Electronic Trip Units

Class 611 / Refer to Catalog 0611CT1001

www.se.com/us

MicroLogic Trip Units [1]

MicroLogic Standard 3.2/3.3 Trip Units PowerPact™ H-, J-, and L-frame molded case circuit breakers may be specified with any of the following MicroLogic Electronic 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

PowerPact H-, J-, and L-Frame MicroLogic Trip Units

MicroLogic Ammeter and Energy Trip Unit

MicroLogic Standard Trip Unit

PowerPact H, J and L-Frame MicroLogic Trip Units Table 7.121: MicroLogic Trip Unit Settings for H-, J-, and L-Frame Model Trip Function Trip Unit Ampere Setting MicroLogic Trip Unit Settings for H- and J-Frame Circuit Breakers

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 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

LI

3.2

Standard

LSI

3.2S

15–60 35–100 50–150 70–250 15–60 35–100 50–150 70–250 15–60 35–100 50–150 70–250

LSI

5.2A

Ammeter

LSIG

6.2A

LSI

5.2E

Energy

LSIG 15–60 35–100 50–150 70–250 MicroLogic Trip Unit Settings for L-Frame Circuit Breakers 6.2E

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 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

LI

3.3

Standard

LSI

3.3S

125–400 200–600 125–400 200–600 125–400 200–600 125–400 200–600

LSI

5.3A

Ammeter

LSIG

6.3A

LSI

5.3E

Energy

LSIG

6.3E

CIRCUIT BREAKERS

7 MINIATURE AND MOLDED CASE

[1] See Supplemental Digest Section 3 for circuit breakers with field-interchangeable trip units.

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