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R911385121 (KSM02.1B-041C-42N-S3-HG0-ET-NN-D7-ES-FW)

KSM Motor Integrated Servo Drives

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1 Year Warranty Included
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The Bosch Rexroth Indramat R911385121 (KSM02.1B-041C-42N-S3-HG0-ET-NN-D7-ES-FW) is a motor-integrated servo drive from the KSM series, featuring design version 1 and series 2 construction. It utilizes natural convection cooling and includes a hybrid connector for connectivity. The unit operates with a multi-Ethernet master communication protocol and employs a capacitive Hiperface single-turn encoder with 16 signal period resolution. Key specifications include a plain output shaft with shaft seal, no holding brake, motor size 041, winding code 42, and a motor length C. This drive delivers a maximum torque of 9.4 Nm, continuous standstill torque of 2.2 Nm, and achieves electrical speeds up to 5500 rpm. It has a thermal time constant of 13 minutes and operates at a supply voltage range of DC 540–750 V. Sound pressure level is rated below 75 dB and the enclosure provides IP65 ingress protection. Safety technology is not included in this configuration.

Technical Specifications

Design Type
1

Winding
42

Size
041

Length
C

Cooling
Natural

Performance
Basic

Weight
12.35 lb (5.6 kg)

Interface
Multi-Ethernet

Encoder
Hiperface single-turn, 16 signal periods

Maximum Torque
9.4 Nm

Maximum Current
6.8 Amperes

Maximum Electrical Speed
5500 rpm

Thermal Time Constant
13 minutes

Rotor Inertia
0.00017 kgm2

Thermal Class (EN 60034-1)
155

Continuous Torque (60K standstill)
2.2 Nm

Voltage Constant (20o C)
98.2 V/1000rpm

Torque Constant (20o C)
1.60 Nm/A

Protection Class
IP 65

SCCR (Short Circuit Current Rating)
42000 rms

Maximum Bypass Current
25.0 Amperes

Sound Pressure Level
less than 75dB (A)

Rated Input Voltage (Power Section)
540 – 750 Volts

DC Bus capacitance
0.012 mF

Switching Frequencies
4 kHz / 8kHz

Mounting Altitude
1000 meters above sea level

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the KSM02.1B-041C-42N-S3-HG0-ET-NN-D7-ES-FW.
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