Ct/Vt Inputs - GE MM3 Instruction Manual

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4.2 S1 CONFIGURATION
PATH: SETPOINTS M S1: CONFIGURATION MMMM CT/VT INPUTS
PHASE CT PRIMARY
AMPS:
MESSAGE
HIGH SPEED PHASE CT
MESSAGE
PRIMARY AMPS:
GROUND FAULT CT
MESSAGE
INPUTS:50:0.025 CBCT
VT PRIMARY VOLTAGE:
MESSAGE
OFF V
4
VT CONNECTION TYPE:
MESSAGE
PHASE (A-N)
VT SECONDARY
MESSAGE
VOLTAGE: 120V
NOMINAL FREQUENCY:
MESSAGE
60 Hz
4-6
Range: None to 1000 A; Step: 1 A
100
Enter the phase CT rated primary amps. For example, if the phase CTs
are rated 500:5, enter 500. The secondary of the CT must be connected
to the correct input. i.e. 1 A or 5 A.
Range: None to 1000 A; Step: 1 A
100
Appears only if STARTER TYPE is selected as TWO SPEED. Enter the high
speed CT rated primary Amps. This Setpoint is in effect only when
Contactor B is energized.
Range: 50:0.025 CBCT, RESIDUAL
Enter the ground sensing used, either sensitive 50:0.025 core balanced
Range: 110 to 690 V or OFF; Step: 1 V
Enables or disables the voltage/power features of the MM3 as well as
setting the VT primary voltage.
Range: PHASE (A-N), LINE (A-B)
Appears only if the VT PRIMARY VOLTAGE setpoint is not set to OFF. Enter
the type of VT connection: PHASE A-N (V
Range: 110 to 240 V; Step: 10 V
Appears only if the VT PRIMARY VOLTAGE setpoint is not set to OFF. Enter
the VT secondary voltage.
Range: 50 Hz, 60 Hz
Enter the nominal system frequency.
MM3 Motor Manager 3
4 SETPOINTS

4.2.5 CT/VT INPUTS

) or LINE A-B (V
).
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GE Power Management

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