SR3624-2691-7-71BM by Kollmorgen
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The SR3624-2691-7-71BM is a DC motor manufactured by Kollmorgen, part of the SR and SRF Permanent Magnet Motors. It features a NEMA 42 frame size, holding torque of 1650 oz-in (2-stack), rated current per phase of 14.7 A, and supports 400 lbs axial force. Cooling is via natural convection and it offers PD/PF encoder options for precise control.
Technical Specifications
Encoder Options
PD and PF (500 or 1000 LPR, 5 VDC)
PD and PF (500 or 1000 LPR, 5 VDC)
Frame Size
NEMA 42
NEMA 42
Holding Torque (1 Stack)
839 oz-in (5.92 Nm)
839 oz-in (5.92 Nm)
Holding Torque (2 Stack)
1650 oz-in (11.7 Nm)
1650 oz-in (11.7 Nm)
Mounting Configuration
Standard Round
Standard Round
Phase Resistance (1 Stack)
0.16 Ohms
0.16 Ohms
Phase Resistance (2 Stack)
0.12 Ohms
0.12 Ohms
Rated Current/phase (1 Stack)
10.6 Amps
10.6 Amps
Rated Current/phase (2 Stack)
14.7 Amps
14.7 Amps
Rotor Inertia (1 Stack)
0.080 kg-m2 x 10-3
0.080 kg-m2 x 10-3
Rotor Inertia (2 Stack)
0.16 kg-m2 x 10-3
0.16 kg-m2 x 10-3
Shaft Loading, Axial Force
400 lbs (1780 N)
400 lbs (1780 N)
Shaft Loading, Radial Force
140 lbs (623 N)
140 lbs (623 N)
Thermal Resistance (1 Stack, Mounted)
1.8 °C/Watt
1.8 °C/Watt
Thermal Resistance (2 Stack, Mounted)
1.3 °C/Watt
1.3 °C/Watt
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1620 Old Apex Road, Cary, NC 27513, USA
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International: 1-919-443-0207
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