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Kollmorgen AKMH53H-CNKNCA
Product Category: AKMH Series — Brushless DC Servo Motor with Holding Brake
Product Introduction:
The AKMH53H-CNKNCA is a compact, high-torque-density brushless servo motor from Kollmorgen’s AKMH family. It features an integrated holding brake (electromagnetic) and is built for applications requiring precise positioning with load-holding capability when power is removed.
Detailed content
Technical Specifications:
- Series: AKMH
- Frame Size: 53 mm (stator diameter)
- Motor Length: H (standard length)
- Winding Code: C
- Feedback Type: Single-turn absolute — EnDat 2.2
- Rated Torque: 1.5 Nm (continuous)
- Peak Torque: 4.5 Nm
- Rated Speed: 3000 RPM
- Max Speed: 5000 RPM
- Rated Voltage: 48 VDC (nominal DC bus)
- Phase Resistance: 1.2 Ω (typical)
- Phase Inductance: 3.5 mH (typical)
- Holding Brake Torque: 10 Nm (static)
- Brake Voltage: 24 VDC
- Insulation Class: Class F (155°C)
- Protection Rating: IP65 (with connector)
- Shaft Type: Keyed shaft with flat
- Connector: M23, 12-pin
- Weight: Approximately 1.2 kg
Key Features:
- Integrated holding brake — holds load without power
- EnDat 2.2 absolute encoder — no homing required after power-up
- High torque-to-inertia ratio — fast dynamic response
- Corrosion-resistant coating on stator and housing
- Optimized for S700 and AKD series drives
Material Composition:
- Stator: Silicon steel laminations with epoxy coating
- Rotor: Neodymium (NdFeB) permanent magnets
- Housing: Aluminum alloy with anodized finish
- Shaft: Stainless steel (17-4 PH)
- Bearings: Sealed ball bearings (low friction, long life)
Applicable Industries:
Material handling, palletizers, pick-and-place robots, medical devices, food processing equipment.
Installation Requirements:
- Align coupling with shaft tolerance of ±0.02 mm
- Apply thread-locking compound on set screws
- Ensure cable bend radius is not less than 5× cable diameter
Usage Notes:
- Verify brake voltage (24 VDC) before energizing
- Do not exceed maximum rated speed of 5000 RPM
- Operating ambient temperature: 0°C to 40°C (derate above 40°C)





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