Below are the differences between Standard and Ammeter Trip Units, for Powerpact H, J and L, and PowerPact P and R.

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

For PowerPact P and R,

MicroLogic (Standard) 3.0 and 5.0 Trip Units

PowerPacT™ P- and R-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 long-time rating plugs

• LED long-time pickup indication

• Test kits available

• Thermal imaging

MicroLogic (Ammeter) 3.0A, 5.0A and 6.0A Trip Units

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

• LSIG trip configurations

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

• Phase loading bar graph

• LED trip indication

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

• Optional Modbus™ communications—PowerLogic™ compatible

Released for:Schneider Electric USA