MSK040B-0450-NN-S2-UP1-NNNN Bosch Rexroth Indramat
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MPN: R911369169
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The Bosch Rexroth Indramat MSK040B-0450-NN-S2-UP1-NNNN is an IndraDyn S Synchronous Servomotor featuring IP65 protection and a shaft with keyway. This standard design motor uses natural convection cooling, a singleturn optical encoder with EnDat2.1 interface, and includes a holding brake with 4 Nm torque. The encoder connector is rotatable up to 240 degrees and the motor operates in ambient temperatures from 0 to 40°C.
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Product Description:
The MSK040B-0450-NN-S2-UP1-NNNN is a synchronous servo motor in the MSK IndraDyn S Synchronous Motors series from Bosch Rexroth Indramat. It serves as the rotary actuator in closed-loop motion systems, converting drive current into accurately regulated torque and velocity. By delivering responsive, repeatable movement, the unit supports indexing tables, robotic joints, and other automation axes that demand high positional accuracy. Its mechanical format, integrated feedback, and sealed construction allow direct integration into machinery without external housings.
The stator winding identified by 0450 sets the electrical characteristics used with matching Rexroth drives. Physical dimensions are governed by the size code 040, which gives a frame diameter suited to light-to-medium load envelopes, while length code B indicates the second build length in the series and allows higher continuous torque than the shorter variant without changing the mounting pattern. An enclosure rating of IP65 seals the housing against dust ingress and low-pressure water jets, so the motor can be mounted on the machine frame without added covers. Cooling relies solely on natural convection, with heat transferred from the aluminum surface to ambient air and no fan required. The motor has a keyed solid shaft for positive mechanical coupling to pulleys or couplings, and the insulation system uses Class 155 materials for long winding life.
Position feedback is supplied by an optical encoder that delivers 2048 signal periods per revolution through the EnDat2.1 digital interface. The connector is rotatable through 240°, so the cable outlet can be aligned with available space inside the cabinet or on the axis arm. Because the encoder is a single-turn device, absolute position within one turn is available immediately after power-up. Motion is held when power is removed by an electrically released brake with 4 Nm of static torque, which helps prevent slide-back on vertical axes. The motor operates in an ambient temperature range of 0 to 40 °C, supporting full output without derating.
Frequently Asked Questions about MSK040B-0450-NN-S2-UP1-NNNN:
Q: How is the MSK040B-0450-NN-S2-UP1-NNNN motor cooled?
A: This model features natural convection cooling and does not require forced air systems.
Q: What type of encoder and interface does the MSK040B-0450-NN-S2-UP1-NNNN motor use?
A: The MSK040B-0450-NN-S2-UP1-NNNN is equipped with a single-turn optical encoder using EnDat2.1 interface with a resolution of 2048 signal periods.
Q: Does the MSK040B-0450-NN-S2-UP1-NNNN have a holding brake, and what is its torque?
A: This motor comes with a holding brake that is electrically released and provides a brake torque of 4 Nm.
Q: What type of shaft does the MSK040B-0450-NN-S2-UP1-NNNN motor feature?
A: The shaft on this model is designed with a keyway for secure coupling to machinery components.
Q: What level of protection does the MSK040B-0450-NN-S2-UP1-NNNN provide against dust and water?
A: The MSK040B-0450-NN-S2-UP1-NNNN has an IP65 protection rating, making it dust tight and resistant to low-pressure water jets.
