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PowerPact H-, J-, and L-Frame Trip Units Micrologic™ Electronic Trip Units
Class 611 / Refer to Catalog 0611CT1001
Micrologic Trip Units [1]
PowerPact H-, J-, and L-Frame Micrologic Trip Units
Micrologic Standard Trip Unit
Micrologic Ammeter and
Energy Trip Unit
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
Table 7.120: 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
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 Circuit Breakers
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
7
MINIATURE AND MOLDED CASE
CIRCUIT BREAKERS
[1] See Supplemental Digest Section 3 for circuit breakers with field-interchangeable trip units.
9/13/2019