Digital guide
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Kollmorgen B-402-B-23
Product Brief: B = Goldline B series (low inertia, 230 VAC windings), 402 = frame size 4, stack length 2, B = winding code B (230 VAC line-to-line), -23 = resolver feedback + metric mount + rear shaft extension (typical interpretation). Designed for rapid acceleration/deceleration with SERVOSTAR amplifiers.
Detailed content
Technical Specifications (EB-404-B / B-402-B typical):
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Frame: Size 4 (approx. 115 mm sq. flange for B-40x series)
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Continuous Torque (Stall @ 40 °C): ~9.6–10.4 lb-in (≈11–12 Nm) — B-404-B class; B-402-B similar
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Peak Torque: ~26–27 lb-in (≈30–35 Nm)
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Continuous Line Current: ~9.8 A RMS
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Peak Line Current: ~18–19 A RMS
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Rated Voltage (Line-Line): 230 VAC RMS
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Max Speed: depends on winding; B-winding typically 2500–5000 rpm
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Feedback: Frameless resolver (standard on “-23” suffix)
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Insulation: Class H (180 °C)
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Built-in Thermostat: Yes (normally closed, opens on overtemperature)
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Mounting: Metric flange, through-holes
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Shaft: Keyed or smooth per exact suffix
Applications: Packaging, printing, material handling, robotics requiring fast response.
Notes: Must be driven by Kollmorgen SERVOSTAR/CD/S300/S700 with proper phase advance. Verify winding code matches drive voltage.
