1-2 MM2 Motor Manager 2
GE Power Management
1.2 ORDERING 1 INTRODUCTION
1
1.2 ORDERING 1.2.1 ORDER CODES
This instruction manual describes the features of a MM2 with all options included.
All models contain three phase overload protection (49/51), single phase, 4 control inputs
(start, stop, local isolator, contactor A status), plus two programmable inputs and one output
relay. The control voltage can be changed in the field.
a) MOUNTING
Chassis Mount: “Black box” version of the MM2 mounted inside the MCC starter.
Panel Mount with Display: Mounted on a panel with a 20
×
2 display, LEDs, and keypad. This fea-
ture is only available with both options
b) OPTION 1
Process Control and Process Inputs: Includes 10 programmable switch inputs, 2 extra electrome-
chanical relays (Aux1 and Aux2), and a 4 to 20 mA input.
Undervoltage Auto-Restart: Programmable undervoltage restart following undervoltage condition.
Diagnostics: Alarms, pretrip data, and historical statistics about the motor or drive performance.
c) OPTION 2
2nd Contactor Control: Includes all timers, contactor A and B relays, and 2 programmable switch
inputs for two-contactor starter types such as wye/delta, two-speed, and reversing.
Enhanced Protection: Includes ground fault, stalled rotor, and undercurrent protection.
Power (kW): Includes a single VT input allowing for calculation of kW and kWhrs, as well as under-
power alarm.
Thermistor: Includes a thermistor input with alarm or trip settings for NTC and PTC type thermistors.
Table 1–1: SELECTION GUIDE
MM2
g g g g
Base Unit
MM2 | | | | Product Family
Mounting
PD | | | Panel Mount with Display (only available with both options)
C | | | Chassis Mount (Black Box)
Option 1
1 | | Option 1: Process control, 10 process inputs, undervoltage
autorestart, diagnostics
Option 2
2 | | Option 1: Enhanced protection, power (kW), thermistor, 2nd
contactor control, 2 process inputs
Power
120 120 V AC Control Voltage
240 240 V AC Control Voltage
NOTE
NOTE
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