Description
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Motor type: 3‑phase, 6‑pole brushless permanent‑magnet synchronous servo
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Rated power: 1.4 kW (1.9 hp)
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Rated speed: 3000 rpm
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Rated torque: 3.0 N·m
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Peak torque: 9.0 N·m (limited by drive current)
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Standstill torque: 3.0 N·m
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Rated current: 4.3 A RMS
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Standstill current: 2.3 A RMS
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Peak current: 11 A RMS
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Torque constant (K_T): 1.65 N·m/A (line‑to‑line)
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Voltage constant (K_E): 97 mV/min (back‑EMF)
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Winding resistance (R₂₀): 6.3 Ω (line‑to‑line)
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Winding inductance (L): 35 mH (line‑to‑line)
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Rotor inertia: 0.42 × 10⁻⁴ kg·m² (0.42 kg·cm²)
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Mechanical time constant: ≈2.5 ms
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Thermal time constant: 20 min (winding), 45 min (housing)
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Insulation class: F (155 °C) with Class B temperature rise (80 K)
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Protection class: IP65
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Vibration class: N (per DIN EN 60034‑14)
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Mounting: IEC 57 mm square flange, 14 mm keyed shaft (smooth optional)
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Shaft load: 150 N radial (max at shaft end), 90 N axial
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Brake option: 24 V DC spring‑applied disc brake (‑G suffix), 3.8 A inrush, 0.5 A holding
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Feedback: Resolver (2‑pole standard) or incremental encoder (optional)
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Operating temperature: 0 °C to +40 °C ambient (derate above 40 °C)
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Storage temperature: –20 °C to +70 °C
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Weight: ≈3.8 kg (without brake); 4.5 kg with brake
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Dimensions: 57 × 57 mm flange, ≈200 mm length (with brake)
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Compatible drives: Kollmorgen Servostar CD/S300/S600, Digifas series, third‑party 400 V‑class servo amplifiers
Features:
High torque density (3 N·m continuous, 9 N·m peak); low cogging for smooth motion; integrated resolver; IP65 ruggedness; optional holding brake.
Application Scenarios:
Material handling, conveyor systems, positioning axes requiring moderate torque at medium speed with fast acceleration/deceleration; robotic joints; index tables; CNC auxiliary axes.
Construction & Material:
Cast‑aluminum IP65 housing; NdFeB rotor magnets; built‑in resolver; optional spring‑applied brake.
Working Principle:
Three‑phase sinusoidal currents produce a rotating magnetic field that interacts with the permanent‑magnet rotor; resolver feedback closes the position/speed loop in the servo amplifier.
Installation Requirements:
Flange‑mount on IEC 57 mm square flange; align keyed shaft with coupling; wire power (shielded) and resolver (shielded twisted pair) separately; connect thermostat to drive; if brake option, supply 24 V DC release voltage.
Precautions:
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Operate only within 0‑40 °C ambient unless derated.
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Brake releases only when 24 V DC is applied; loss of power engages brake.
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Do not exceed shaft load limits (150 N radial / 90 N axial).
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Use properly sized servo amplifier to achieve peak‑torque without overheating.
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Ensure adequate ventilation; monitor winding temperature via drive.
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