Operating M-Pro 20/30/40 - GE M-PACT Operating And Installation Instructions

Operating M-PRO 20/30/40

When M-PRO is first energised:
The green 'Healthy' LED will light indicating that (a) power is present, (b) The unit is functioning normally. This will remain lit at all times
when M-PRO is energised unless a fault is present. Refer to M-PRO menu structure when the instructions below are carried out.
If the Ammeters option has been specified, the LCD screen will display the RMS
phase currents. For example:
Refer to M-PRO menu structure. Phase current measurement in Amps – level 2.
If Ammeters has not been specified, M-PRO will be in the Faults mode and the
LCD display will read:
Refer to M-PRO menu structure. Existing faults indication – level 3.
The following will explain how to set the M-PRO to a short time delay of 0.8 sec.
For the other settings, the procedure is EXACTLY the same. Refer to the menu structure above.
- First step, go to the protection menu
If the M-PRO was displaying the ammeters page, you will have to:
Press
Escape
Then
Up
- Then go to the Fixed S/C Time sub-menu
Press
Select
then
Select
Down
Then
and the M-PRO will display
M – P R O 20
Ammeters
M – P R O 20
Protection
and the M-PRO will display
M – P R O 20
Curve Settings
I_SET
= 50%I_N =
7 times
Curve Type
=EI (Gen. Purpose)
O/L Curve
= C03, 8.00s @ 2 Iset
Cooling time
=Instant
Inverse S/C Crnt
= 4xI_SET 1600A
If the M-PRO was displaying the Fault page, you will have to:
Press
Escape
then
Escape
Up
then
Up
then
Assuming the M-PRO was originally
400A configured as 800A with a 50% Iset
27
Red Ylw
680 700
Existing faults
No faults
and the M-PRO will display
Faults
Existing faults
M – P R O 20
Faults
M – P R O 20
Ammeters
M – P R O 20
Protection
Blue
806A