GE MMII-PD-1-2-120 Power Distribution Module
The GE MMII-PD-1-2-120 is a 120W power distribution module designed for GE’s VersaMax® industrial automation platform. It converts input DC voltage to multiple isolated output circuits, providing stable power to I/O modules, CPUs, and communication devices within a control rack while offering overload protection and electrical isolation.
Product Parameters & Specifications:
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Parameter
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Specification
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Manufacturer
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GE Intelligent Platforms (Now part of Emerson)
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Series
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VersaMax I/O System
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Model Number
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MMII-PD-1-2-120
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Input Voltage
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24 VDC nominal (19.2–30 VDC range)
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Output Voltage
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24 VDC (regulated)
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Rated Power
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120 Watts
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Output Circuits
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2 isolated channels
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Load per Channel
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Max 5A per channel
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Isolation
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1500 VAC input-to-output/output-to-output
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Protection
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Overload/short-circuit with auto-reset
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Connection
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Removable terminal block
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Operating Temp
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-20°C to +70°C
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Dimensions (W×H×D)
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30 mm × 123 mm × 70 mm
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Compliance
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UL, cUL, CE, ATEX/IECEx (optional)
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Status Indication
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LED indicators (Power/Fault)
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Key Features:
- Dual Isolated Outputs – Independent 24VDC channels prevent cross-interference.
- Wide Input Range – Operates reliably under voltage fluctuations (19.2–30VDC).
- Auto-Reset Protection – Recovers automatically after overload/short-circuit events.
- Hot-Swappable – Supports replacement without system shutdown in compatible racks.
- Space-Efficient – Compact design maximizes rack space utilization.
- Versatile Mounting – Integrates with VersaMax bases (DIN rail or panel).
Primary Function:
Distributes and regulates 24VDC power to adjacent modules in a VersaMax rack, ensuring stable operation while isolating noise and faults between circuits.
Applications & Use Cases:
- Power Segmentation: Isolates sensitive electronics (e.g., CPUs) from high-load I/O modules.
- Redundancy Support: Enables dual power zones for critical systems.
- Noise Suppression: Prevents electrical interference in analog signal modules.
- System Expansion: Powers additional I/O modules in extended racks.
Application Fields:
- Industrial Automation – PLC/DCS control panels for manufacturing assembly lines.
- Process Control – Chemical plants, water treatment facilities.
- Energy Systems – Wind turbine control cabinets, substation monitoring.
- Transportation – Conveyor systems, material handling equipment.
- Building Management – HVAC control, security systems.
- Robotics – Power distribution for sensor/actuator clusters.
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