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GE MMII-PD-1-2-120
GE MMII-PD-1-2-120 Motor Manager II Intelligent MCC Controller
Product Overview
The GE MMII-PD-1-2-120 Motor Manager II is an advanced motor protection and management relay developed by GE Multilin for industrial motor control applications. Designed for use in low-voltage motor control centers (MCCs), this intelligent controller provides comprehensive motor protection, real-time monitoring, and advanced diagnostic capabilities.
Powered by a 120 VAC auxiliary supply, the MMII-PD-1-2-120 integrates protection, control, and communication features in a compact panel-mounted device. It helps improve motor reliability, reduce downtime, and optimize maintenance by providing accurate monitoring of motor conditions and electrical parameters.
Key Features
- Comprehensive Motor Protection – Protects motors from overload, phase loss, phase imbalance, ground faults, and locked rotor conditions.
- Advanced Monitoring – Provides real-time monitoring of motor current, thermal capacity, and electrical parameters.
- Integrated Control Functions – Supports start, stop, trip, and reset operations for motor control systems.
- Communication Capability – Equipped with RS-485 Modbus RTU for integration with PLC, DCS, or SCADA systems.
- Event Logging & Diagnostics – Records fault events and operational history to assist with troubleshooting and predictive maintenance.
- Local User Interface – Built-in LCD display and keypad for configuration and status monitoring.
- Compact Industrial Design – Panel-mounted unit suitable for MCC cabinets and industrial control panels.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | GE MMII-PD-1-2-120 |
| Manufacturer | GE Multilin |
| Product Type | Motor Manager II Motor Protection Relay |
| Control Power | 120 VAC, 50/60 Hz |
| Communication | RS-485, Modbus RTU |
| Analog Inputs | 4–20 mA |
| Relay Outputs | Programmable control and alarm relays |
| Protection Functions | Overload, phase loss, imbalance, ground fault, stall detection |
| Operating Temperature | 0°C to 60°C |
| Mounting | Panel Mount |
| Dimensions | Approx. 7.4 × 4.4 × 5 in |
| Weight | Approx. 1.2–1.36 kg |
Typical Applications
The GE MMII-PD-1-2-120 is widely used in industrial motor control and power distribution systems, including:
- Motor Control Centers (MCC)
- Pumps and compressors
- Industrial fans and conveyors
- Power generation facilities
- Oil & gas plants
- Water treatment systems
- Manufacturing automation lines
✅ Summary:
The GE MMII-PD-1-2-120 Motor Manager II combines motor protection, monitoring, and control in one intelligent device. With built-in diagnostics, communication capability, and advanced protection algorithms, it is an ideal solution for improving the reliability and efficiency of industrial motor systems.
Main Brand:
ABB Allen-Bradley Alstom Bently GE MOOG Schneider
Woodward HIMA Honeywell Emerson Foxboro
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Our Main Brands
DCS/PLC/TSI Manufacturers:
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc.
Product Categories & Models
1. Distributed Control System (DCS)
- ABB: 3AUA0000110429, SYSCON2 746924
- Invensys Foxboro: FBM214, FBM242, B0123HE
- Invensys Triconex: 3625, 3700A, 3604E
- Woodward: 5462-758B
- HIMA: F2-DO-16-02, F8650E
- Yokogawa: SAI143-S03 S1, F9342L-02
- Honeywell: 51402497-200, 51403519-160, 51199194-100, CC-PDO801
- Emerson: KJ4001X1-NB1, 12P3368X012
2. Programmable Logic Controller (PLC)
- Rockwell/Allen Bradley: 1734-IB8, 1734-OB8, 1769-L18ER-BB1B, 1756-IM16I
- ICS Triplex: T8461, T8850, T8403, T8431, T8831, T8310
- Schneider Modicon: 140DDI85300
- GE Fanuc: IS210AEPSG2B, IS220UCSAH1A, IS215ACLEH1A, IS210AEAAH1B
- Siemens: 6ES7331-1KF02-0AB0
- Prosoft: MVI46-DFNT
- Bachmann: MPC240
- Woodhead: 9905-068 2301A
3. Turbine Supervisory Instrumentation (TSI)
- Bently Nevada: 3500/22M, 138607-01, 3500/25, 3500/53, 3500/32M 149986-02
- EPRO: MMS6110, MMS6120, MMS6220, MMS6312, MMS6410, 6423, 6424
- ENTEK: EK C6622HS, XM124, 1440-SDM02-01RA
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