FA124407
31/03/2018
Issue:
What is needed to upgrade a Micrologic 3.0 or 5.0 to an ammeter, power or harmonic trip unit?
Product Line:
Circuit breakers
Environment:
Micrologic, Powerpact P & R, Masterpact NT & NW
Cause:
Need greater trip functions then exist Micrologic trip units provide.
Resolution:
The existing trip unit must be replaced.
| Model |
Protection |
Cat. # |
| 3.0A (UL/ANSI only) |
LI |
S141A |
| 5.0A |
LSI |
S143A |
| 6.0A |
LSIG |
S144A |
| 5.0P |
LSI |
S163A |
| 6.0P |
LSIG |
S164A |
| 5.0H |
LSI |
S173A |
| 6.0H |
LSIG |
S174A |
For A, P, and H trip units, the 12-pin connector for the trip unit (kit S33101 for Masterpact, S33100 for Powerpact) must also be ordered.
Also a breaker communication module
(BCM) may be neccessary.
Unit Mount or I-line PowerPact P or R frame: S64205
Motor Operated PowerPact P frame: S64207
Drawout PowerPact P frame: S64206
For NW: Fixed mount: S47405; Draw-out: S48384.
For NT: Fixed mount: S48188; Draw-out: S47485.
If External Voltage Sensing is required.
P frame unit mount / I-LINE: S64203
R frame unit mount / I-LINE: S64208
P frame drawout: S64209
P frame motor operated / rotary handle: S64210
Fixed NT and NW: S47506
Drawout NT: S47507
Drawout NW: S48533