Digital guide
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Kollmorgen PSR3-208/25-05-005
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Product Name: PSR3 Series 3-Phase Rectifier / DC Power Supply Module
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Product Introduction: Line-side converter that feeds 310 VDC bus to SERVOSTAR S/SE or similar drives.
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Technical Specifications:
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AC Input: 208 VAC 3-phase (code 208/25 indicates 208 V class, 25 A line rating)
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Detailed content
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DC Output: ~310 VDC (max 310 VDC bus)
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Output Current: 5 A continuous (code 05)
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Control Logic: 24 VDC auxiliary
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Variants: PSR3-208/25-01-005 / -05-005 differ in internal chokes/fan options
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Functional Features: Mains rectification with pre-charge, regen-capable when paired with braking resistor.
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Application Scenarios: Power source for SR30xx, SE10xx, BDS4 DC-bus drives.
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Structural Characteristics: Cabinet module with AC terminals, DC bus bars, 24 V aux.
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Working Principle: Diode bridge + filter capacitor generating DC link.
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Installation Requirements: 3-phase fused disconnect upstream, ground bus, vertical mount, cooling air flow.
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Usage Notes: Verify AC line tolerance (±10 %), bleed DC bus before service, torque terminals to spec.
