Overview
The SINAMICS G120 PM250 (6SL3225-0BE32-2AA0) is a sophisticated power module engineered for modular drive systems. Unlike standard modules, the PM250 features regenerative capability, allowing braking energy to be fed back into the supply system instead of being wasted as heat in a braking resistor. This makes it an ideal choice for applications with frequent braking cycles, significantly reducing energy costs and cabinet cooling requirements.
Key Benefit
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Energy Recovery: Built-in regenerative technology feeds braking energy back into the grid, eliminating the need for braking resistors.
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Integrated EMC Filter: Includes a Class A filter to ensure compliance with industrial electromagnetic interference standards.
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Flexible Loading: Dual-rated for High Overload (22kW) and Light Overload (30kW) to suit various industrial demands.
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Reduced Heat Dissipation: Innovative design minimizes thermal loss, extending the lifespan of surrounding components.
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Modular Compatibility: Seamlessly integrates with SINAMICS G120 Control Units (CUs) and Basic Operator Panels (BOPs).
Technical Function & Specification
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Input Voltage: 3-Phase AC 380V to 480V (+10% / -10%)
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Frequency: 47–63 Hz
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Power Ratings:
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High Overload (HO): 22kW (200% for 3s, 150% for 57s, 100% for 240s) @ 50°C
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Light Overload (LO): 30kW (150% for 3s, 110% for 57s, 100% for 240s) @ 40°C
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Frame Size: FSD
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Dimensions: 512mm x 275mm x 204mm (H x W x D)
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Protection Rating: IP20 (Requires Control Unit to operate)
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Cooling: Internal fan cooling
Application
The Siemens PM250 Power Module is perfect for:
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Conveyor Systems: Where frequent starting and stopping occur.
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Lifting/Elevator Drives: Utilizing gravity to regenerate power during descent.
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Centrifuges & Fans: Managing high-inertia loads with high efficiency.
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Renewable Energy/Industrial Processing: Anywhere energy efficiency is a top priority.
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