MS2N10-D0BNL-ASTB0-NNNNN-NN
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MPN: R911384974
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The MS2N10-D0BNL-ASTB0-NNNNN-NN servo motor offers a motor size of 10, a rated voltage of 400 V AC, a rated speed of 3000 rpm, and features a multi-turn absolute encoder. Part of the MS2N Synchronous Servo Motors by Bosch Rexroth Indramat, it boasts IP65 protection and includes a holding brake for enhanced functionality.
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Product Description:
The MS2N10-D0BNL-ASTB0-NNNNN-NN is an MS2N synchronous servo motor that is developed by Rexroth Indramat with an assembly of permanent magnets. Its winding supports a nominal rotational spin of 2420 r/minute and delivers 79.6 Nm of rated torque. This motor consumes 20.2 kW of rated power in continuous duty, along with 47.6 A of current from a 400 V supply source.
The MS2N10-D0BNL-ASTB0-NNNNN-NN motor can generate a maximum torque of 155 Nm in cold condition and its torque at 100 K is limited to 142 Nm. Its peak electrical speed rating is 6000 r/minute and its maximum current draw is 102.5 A under full load. The motor has five pole pairs with a precise torque constant of 1.95 Nm/A at 20 °C and its voltage constant is specified as 118.5 V/1000 RPM. Its winding resistance at 20 °C is 0.18 Ohm and its inductance value is measured as 5.05 mH. This MS2N10 motor possess a leakage capacitance of 4.1 nF and its thermal time constant for winding is 90 s, while the motor dissipates heat up to 50% in just 5.1 min. Its cooling is handled by an internal water circuit through the provided stainless steel ducts and its coolant inlet temperature range is 10 to 40 °C. The coolant flow requirement is 2.78 L/min minimum and its pressure drop at this flow is 0.185 bar.
The MS2N10-D0BNL-ASTB0-NNNNN-NN motor is fitted with a HIPERFACE basic type of single turn encoder that features 16 signal periods. It outputs 1 Vss sin and cos signals, while its supply voltage is 7 to 12 V and its current consumption is around 50 mA. The motor has no holding brake in its assembly and its flange size is specified as 196 mm. Its shaft diameter is 38 mm and 80 mm length.
Frequently Asked Questions about MS2N10-D0BNL-ASTB0-NNNNN-NN:
Q: How does the internal water cooling in the MS2N10-D0BNL-ASTB0-NNNNN-NN improve performance under high load?
A: Its water cooling removes heat more efficiently than air, maintaining winding temperature within safe limits. It enables sustained high torque like the 155 Nm peak without thermal derating.
Q: Why does the HIPERFACE basic encoder matter for the MS2N10-D0BNL-ASTB0-NNNNN-NN in control applications?
A: The HIPERFACE encoder gives high resolution sin/cos feedback enabling precise position and speed control. This improves dynamic response and reduces positioning error in servo loops.
Q: What advantages does a torque constant of 1.95 Nm/A provide for MS2N10-D0BNL-ASTB0-NNNNN-NN?
A: The higher torque per amp means that less current is needed to produce torque, reducing I²R losses. It helps in achieving better efficiency and reduced heating in winding.
Q: How does having 5 pole pairs in MS2N10-D0BNL-ASTB0-NNNNN-NN affect motor behavior?
A: The pole pairs allow lower electrical frequency for a given mechanical speed, reducing core losses at high RPM. It improves smoothness and torque ripple reduction.
Q: Why is leakage capacitance of 4.1 nF relevant for inverter drive compatibility?
A: Its leakage capacitance determines how the motor interacts with fast voltage switching in drives, influencing insulation stress and shaft voltage. Proper design or mitigation can prevent bearing damage due to stray currents.
