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- KOLLMORGEN B-604-B-91-B3R
Detailed content
Frame Size: 60 mm (NEMA 23 Equivalent)
Rated Continuous Torque: 3.8 Nm (33.6 lb-in)
Peak Torque: 11.4 Nm (100.9 lb-in)
Rated Speed: 3,000 RPM
Maximum Speed: 4,500 RPM
Rated Voltage: 480 VAC (Three-Phase)
Continuous Current: 9.1 A RMS
Peak Current: 27.3 A
Power Rating (Continuous): 1.2 kW (1.6 HP)
Power Rating (Peak): 3.6 kW (4.8 HP)
Holding Brake: Integrated Electromagnetic Holding Brake, 24 VDC Activation, 2.5 Nm Holding Torque
Encoder Type: Multi-Turn Absolute Encoder, 17-Bit Resolution (131,072 Counts/Rev), BiSS-C / EnDat 2.2 Protocol
Protection Rating: IP65 (Dust-tight and protected against water jets from any direction)
Cooling Method: Forced Air Cooling (Internal Fan)
Shaft Type: Keyed Shaft with Shaft Seal, Diameter 14 mm
Weight: Approximately 3.8 kg (8.4 lb)
Housing Material: Anodized Aluminum Alloy 6061-T6
Magnets: High-Energy Neodymium Iron Boron (NdFeB), Grade N42SH
Winding Insulation Class: Class H (180°C)
Bearing Type: Dual Angular Contact Ball Bearings, Sealed, Lubricated for Life
Electrical Connector: M23 12-Pin Connector (Power + Encoder + Brake)
Ambient Operating Temperature: 0°C to +40°C (Continuous), -20°C to +80°C (Short-Term)
Storage Temperature: -40°C to +85°C
Compliance Standards: CE, UL, RoHS, REACH, WEEE
Applicable Industries: CNC Machining, Robotics, Packaging Machinery, Printing Presses, Material Handling, Semiconductor Equipment
Key Features:
- High torque-to-inertia ratio for rapid acceleration/deceleration
- Integrated absolute encoder eliminates homing sequence at power-up
- Holding brake ensures load retention during power-off
- Sealed construction for harsh industrial environments
- BiSS-C / EnDat 2.2 dual-protocol encoder for flexibility
Installation Requirements:
- Mount using B-face flange with 4 mounting holes (M6 tapped)
- Alignment tolerance: ±0.05 mm radial, ±0.05 mm axial
- Cable bend radius minimum: 5× cable diameter
- Ground connection mandatory to motor housing





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