Digital guide
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Detailed content
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Technical Specifications: Suffix 20-1105 indicates current/voltage rating and connector style; typical SBD2 units handle external regen resistor switching or dc-bus filtering.
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Functional Features: Protects drive against overvoltage during deceleration, stabilizes DC bus.
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Application Scenarios: Vertical axis with frequent braking, high-inertia spindles.
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Installation Requirements: Mount near drive; short cable to DC bus terminals; use recommended external resistor wattage.
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Usage Notes: Incorrect resistor ohm rating triggers fault or resistor burnout; ensure thermal protection.






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