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GE Multilin MMII-PD-1-2-120 Motor Manager II
GE Multilin MMII-PD-1-2-120 Motor Manager II
Manufacturer: GE Multilin
Product No.: MMII-PD-1-2-120
Product Type: Motor Manager II
Product Origin: USA
Payment: T/T
Weight: 1360g
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The MMII‑PD‑1‑2‑120 from GE Multilin (part of the MMII Motor Manager II family) is a microprocessor-based motor management, monitoring, and protection relay designed for industrial motor control applications powered from 120 VAC auxiliary supply. It integrates comprehensive protection functions (e.g., thermal overload, phase imbalance, ground fault, stall detection) with process control, real-time diagnostics, metering, and communication support, making it suitable for motor control centers (MCCs), pumps, compressors, fans, and other critical rotating equipment. The panel-mounted unit includes a local display and keypad for configuration and status viewing, while optional Modbus RTU remote communication enables SCADA/DCS integration.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | MMII-PD-1-2-120 |
| Manufacturer | GE Multilin (General Electric) |
| Product Type | Motor Manager II Motor Protection & Control Relay |
| Auxiliary Power | 120 VAC ±15%, 50/60 Hz – primary control voltage (120 V AC supply) |
| Control/Communication Interface | RS-485 (Modbus RTU, 1,200 – 19,200 bps) |
| Analog Input Range | 4 – 20 mA (process input for metering/history) |
| Digital Inputs | Multiple fixed and programmable control inputs for start/stop, process, etc. (variant/config dependent) |
| Relay Outputs | Programmable Form-C contacts for control/trip/alarm (contact rating typically ~5 A @ 250 VAC) |
| Protection Functions | Thermal overload (I²t), phase imbalance & loss, under/overvoltage, ground fault, stall/jam, undervoltage auto-restart, contactor fault detection |
| Metering & Recording | Metering of current, thermal capacity, energy; event/trip logging and history (via display/software) |
| Local Interface | LCD display and keypad for status, configuration, and local monitoring |
| Software Support | GE EnerVista MMII for configuration, monitoring, and diagnostics |
| Operating Temperature Range | 0 °C to 60 °C (industrial environment) |
| Dimensions (Approx.) | ~7.4″ × 4.4″ × 5″ (188 × 112 × 127 mm) |
| Weight | ~3 lb (1.36 kg) |
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