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Kollmorgen B01206-NBS
Product Description:
B01206-NBS is a Goldline B-series low-inertia brushless servo motor — Frame size 120 (≈ 120 mm flange / 4.53″), stack length 6 (longest for that frame), winding B (230 VAC class), with resolver feedback and NEMA flange. “NBS” typically indicates no brake, standard resolver, sealed MS connectors.
Detailed content
Typical Specifications (B-120×6 Stack):
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Frame: B-120 (NEMA 56/metric equivalent)
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Continuous Stall Torque (Tc): ≈ 18.0 Nm (159 lb-in)
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Peak Torque (Tp): ≈ 49.5 Nm
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Rated Speed @ Max Bus: up to 5000 RPM (winding dependent)
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Max Bus Voltage: 320 VDC (230 VAC line)
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Rotor Inertia: Low — matched to rapid accel/decel loads
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Feedback: Resolver (std for -NBS suffix)
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Brake: None (N = no brake; B-variant has 90 VDC or 24 VDC brake)
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Insulation: Class H
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Thermostat: Built-in KLIXON or equivalent
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Enclosure: IP65 (with shaft seal)
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Shaft: Keyed, rear extension optional
Construction & Materials: Same rare-earth PM rotor, Class H windings, cast aluminum housing.
Applications:
Large packaging formers, web tension rolls, material handling conveyors, punch presses, coil winders.
Installation & Precautions: Same as B-102 notes — observe shaft alignment, ground properly, connect resolver shield to PE at drive end only, verify thermostat in series with drive thermal input or hard-wired to alarm circuit.
