Digital guide
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Kollmorgen B-604-C-B1
Product Brief:
High-torque-density, 3-phase permanent magnet synchronous servo motor (PMSM) from the Goldline B family. Rugged cast-iron/laminated frame with integral fail-safe electromagnetic brake and brushless resolver feedback, intended for heavy-duty industrial motion.
Detailed content
Key Technical Specifications:
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Rated Power: ~8.6 kW (continuous)
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Continuous Torque (Stall): ~33.6 Nm
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Peak Torque: ~106 Nm (typical for B-604 family)
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Continuous Current: ~33–38 A (winding dependent)
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Peak Current: ~114.8 A
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Maximum Speed: 4300 rpm (windings dependent)
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Brake Type: Electromagnetically released fail-safe brake, holding torque ~48 Nm
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Feedback: 2-pole brushless resolver
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Insulation Class: Class H (180 °C)
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Protection: IP65 (upgradable to IP67 with shaft seal)
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Cooling: Natural convection or forced air depending on load cycle
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Mounting Flange: Standard NEMA/IEC metric flange, keyed shaft
Features:
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Low-inertia rotor for fast acceleration/deceleration
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Explosion-proof / ruggedized housing option in B-series
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Wound for 400 VAC (typical) — check nameplate for exact winding
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Compatible with ServoStar CD / S300 / S600 / AKD drives (with proper commutation setup)
Applications: Large CNC axes, injection molding machines, metal-forming presses, heavy material-handling gantries, marine/ offshore winches.
Installation & Notes:
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Motor must be grounded to protective earth via PE terminal.
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Brake releases only when 24 VDC is applied — verify brake voltage/current rating.
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Use correct motor-to-drive commutation parameters (resolver offset) during auto-commissioning.
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Do not exceed max. radial/axial shaft load specified in datasheet.
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