Digital guide
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Kollmorgen PSR4/2A-250
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Product Name: PSR4 Series Servo Power Supply Module
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Product Brief: Regenerative or non-regenerative DC bus power supply for Kollmorgen brushless drive racks (BDS/PSR architecture), delivering stabilized DC link to connected amplifiers.
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Technical Specifications:
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Series: PSR4 (400 V class input family)
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Detailed content
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Output Current: 2 A continuous (label 2A)
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DC Bus Rating: 250 VDC nominal (label 250)
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Input: 3-phase AC mains, PSR4 class (~400 VAC)
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Function: Supplies and monitors DC link, supports shared bus across axes
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Features: Compact rack module, internal fuse/overvoltage protection, shares DC bus with BDS5 amplifiers.
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Applications: Multi-axis servo cabinets using BDS5A amplifiers, legacy Kollmorgen industrial drive systems.
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Installation Notes: Install in same rack as amplifiers; torque bus bars to specified Nm; ensure mains disconnect upstream.
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Precautions: Never connect AC mains directly to DC bus terminals; verify polarity of DC link before powering drives.
