Section 7: Miniature and Molded Case Circuit Breakers PDF

Section 7: Miniature and Molded Case Circuit Breakers PDF

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PowerPacT P- and R-Frame Trip Units

Class 612 / Refer to Catalog 0612CT0101

PowerPacT P- and R-Frame MicroLogic Trip Units

PowerPacT P- and R-Frame MicroLogic Trip Units

Standard
Trip Unit		 Ammeter
Trip Unit		 Power
Trip Unit		 Harmonic
Trip Unit		 Adjustable
Rating Plug

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


MicroLogic (Power) 5.0P and 6.0P Trip Units

Power measurement and advanced protection features includes all features listed for MicroLogic ammeter trip unit, as well as:

  • LSI trip configuration with programmable ground fault alarm

  • LSIG (Ground-fault trip) with programmable ground fault alarm

  • Incremental “fine tuning” of L, S, I, and G pickup and delay settings

  • LCD dot matrix display and LED trip indication

  • Advanced user interface

  • Advanced protection IDMTL—selectable long-time delay bands

  • Neutral protection

  • Power measurement

  • Contact wear indication

  • Modbus communications—PowerLogic compatible

  • Local and remote settings


MicroLogic (Harmonic) 5.0H and 6.0H Trip Units

Power quality measurement and advanced protection features. Includes all features listed for the MicroLogic power trip unit, as well as:

  • Enhanced power measurements functions

  • Power quality measurements

Adjustable Rating Plugs for PowerPacT™ P-Frame and R-Frame and MasterPacT™ NT and NW Circuit Breakers—Selection

To provide maximum design flexibility, system protection, and field upgradeability, each MicroLogic™ trip unit is equipped with an interchangeable long-time rating plug. Each trip unit requires an adjustable rating plug to determine the long-time pickup range of the circuit breaker. These plugs are factory installed on new trip units, or can be ordered separately for field-installable upgrades.

Adjustable rating plugs are offered in eight different ranges of long-time pickup adjustments. The following chart show the ranges of adjustments. Each adjustment times the sensor rating (lr x In) of the circuit breaker sets the long-time pickup value of the circuit breaker.

PowerPacT P- and R-Frame MicroLogic Trip Unit and Options

Model

Protection

Additional Features

Field-Installable Cat. No. [1]

2.0 (IEC only)

LSO

None

S132R

3.0 (UL/ANSI only)

LI

S131A

5.0

LSI

S133A

2.0A (IEC only)

LSO

Ammeter

S142R [2]

3.0A (UL/ANSI only)

LI

S141A [2]

5.0A

LSI

S143A [2]

6.0A

LSIG

S144A [2]

5.0P

LSI

Metering, Adv. Protection

S163A [2][3]

6.0P

LSIG

S164A [2][3]

5.0H

LSI

Metering, Adv. Protection & Harmonic Analysis

S173A [2][3]

6.0H

LSIG

S174A [2][3]

PowerPacT P- and R-Frame MicroLogic Trip Units
  x– Standard Feature       o – Available Option

Features

Standard

Ammeter

Power

Harmonic

3.0

5.0

3.0A

5.0A

6.0A

5.0P

6.0P

5.0H

6.0H

LI

X

—

X

—

—

—

—

—

—

LSI (Instantaneous can be turned off)

—

X

—

X

X

X

X

X

X

LSIG / Ground-Fault Trip [4]

—

—

—

—

X

—

X

—

X

Ground-Fault Alarm (No Trip) [4][5]

—

—

—

—

—

X

—

X

—

Ground-Fault Alarm and Trip [4][5]

—

—

—

—

—

—

X

—

X

Adjustable Rating Plugs

X

X

X

X

X

X

X

X

X

True RMS Sensing

X

X

X

X

X

X

X

X

X

UL Listed

X

X

X

X

X

X

X

X

X

Thermal Imaging

X

X

X

X

X

X

X

X

X

Phase Loading Bar Graph

—

—

X

X

X

X

X

X

X

LED for Long-time Pickup

X

X

X

X

X

X

X

X

X

LED for Trip Indication

—

—

X

X

X

X

X

X

X

Digital Ammeter

—

—

X

X

X

X

X

X

X

Zone-selective Interlocking

—

—

X

X

X

X

X

X

X

Communications

—

—

X

X

X

X

X

X

X

LCD Dot Matrix Display

—

—

—

—

—

X

X

X

X

Advanced User Interface

—

—

—

—

—

X

X

X

X

Protective Relay Functions

—

—

—

—

—

X

X

X

X

Neutral Protection

—

—

—

—

—

X

X

X

X

Contact Wear Indication

—

—

—

—

—

X

X

X

X

Incremental Fine Tuning of Settings

—

—

—

—

—

X

X

X

X

Selectable Long-time Delay Bands

—

—

—

—

—

X

X

X

X

Power Measurement

—

—

—

—

—

X

X

X

X

Power Quality Measurements

—

—

—

—

—

—

—

X

X

Waveform Capture

—

—

—

—

—

—

—

X

X

PowerPacT P- and R-Frame Long-Time Pickup Settings

Rating Plug

Long-time Pickup Settings

A

.40

.45

.50

.60

.63

.70

.80

.90

1.0

B

.40

.44

.50

.56

.63

.75

.88

.95

1.0

C

.42

.50

.53

.58

.67

.75

.83

.95

1.0

D

.40

.48

.64

.70

.80

.90

.93

.95

1.0

E

.60

.70

.75

.80

.85

.90

.93

.95

1.0

F

.84

.86

.88

.90

.92

.94

.96

.98

1.0

G

.66

.68

.70

.72

.74

.76

.78

.80

.82

H

.48

.50

.52

.54

.56

.58

.60

.62

.64

Special Options

Description

Factory-Installed Suffix

Field-Installable
Cat. No.

Ship circuit breaker in closed position

YK

N/A

Alternate Maintenance Setting (AMS) kit
(use with 5.0/6.0 A, P or H and 5.3/6.3 A or E MicroLogic trip units)

—

84957

Energy Reduction Maintenance Setting (ERMS) kit
(use with 5.0/6.0 P or H MicroLogic trip units)

—

84956

Maintenance Mode Setting Switch kit

120 Vac

LV429659

24 Vdc

LV429658

Footnotes

  1. The standard rating plug supplied with a trip unit will be the “A” rating plug. To specify an alternative adjustable rating plug, please add the letter designation to the end of the catalog number. Please refer to Micrologic™ Trip Unit Accessories for a complete listing of adjustable settings available with each plug. (Example: S143B would specify a “B” rating plug instead of the standard "A" plug.) Use suffix “N” if no rating plug is required, deduct.
  2. When replacing a standard trip unit with Type A (Ammeter), P (Power metering) or H (Harmonic analysis) trip unit, order the 12-pin connector kit S33101 for the MasterPacT NW and NT and the PowerPacT P-frame drawout circuit breakers or kit S33100 for PowerPacT P-frame and R-frame unit-mount and I-Line circuit breakers.
  3. Requires Circuit Breaker Communications Module.
  4. Requires neutral current transformer in 3Ø4W systems.
  5. Alarm history is available through the trip unit display and communications. Local indication of an alarm requires an M2C Programmable Contact Module.
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