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GE MMII-PD-1-2-120
GE MMII‑PD‑1‑2‑120 | Intelligent Motor Protection & Control
The GE MMII‑PD‑1‑2‑120 is a Motor Manager II intelligent motor protection and control relay designed for industrial applications. It provides comprehensive motor protection, real‑time monitoring, and integrated control for medium and low voltage motors. Perfect for MCC motor feeders, this panel-mounted unit ensures operational reliability, reduces downtime, and improves motor lifespan.
Key Features
Advanced Motor Protection
- Thermal overload, phase loss, and phase imbalance protection
- Ground fault and jam/stall detection
- Undervoltage autorestart and thermistor input support
- Prevents motor damage and reduces maintenance costs
Real-Time Monitoring & Diagnostics
- Measures motor current, voltage, and power (kW)
- Tracks load, operational status, and faults
- Event logging and historical diagnostics for predictive maintenance
Integrated Motor Control
- Supports multiple contactor control
- Automatic restart capability after undervoltage
- Process input support (4–20 mA)
- Local display and keypad for easy operation
Communication & System Integration
- Modbus RTU via RS‑485 for SCADA/DCS integration
- Compatible with EnerVista MMII configuration software
- Enables centralized motor management and remote monitoring
Technical Specifications
| Parameter |
Specification |
| Control Voltage |
120 VAC |
| Mounting |
Panel mount with display |
| Analog Inputs |
4–20 mA supported |
| Communication |
Modbus RTU / RS‑485 |
| Operating Temperature |
0°C to 60°C |
| Software |
EnerVista MMII |
| Application |
MCC motor protection & control |
Industrial Applications
The GE MMII‑PD‑1‑2‑120 is ideal for:
- Oil & Gas: Pumps, compressors, and rotating equipment
- Power Plants: Fan and boiler motor management
- Water & Wastewater: MCC motors for treatment systems
- Mining & Cement: Conveyor belts, crushers, and mixers
- Manufacturing Plants: Automated production motors
Why Choose GE MMII‑PD‑1‑2‑120?
- Combines protection, monitoring, and control in one unit
- Minimizes downtime with real-time diagnostics
- Easy integration with SCADA/DCS systems
- Improves motor efficiency and reliability
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