R911275800 (MHD093C-058-PG1-BN)

Name: R911275800 (MHD093C-058-PG1-BN)
Brand: Indramat Motors
SKU: MHD093C-058-PG1-BN
Price: 340.00 USD
Availability: InStock

MHD Synchronous Motors

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The Bosch Rexroth R911275800 (MHD093C-058-PG1-BN) is an MHD093 synchronous servo motor equipped with a 24V DC holding brake delivering 22.0 Nm clamping torque at 0.71 A. The brake response time is 25 μs activation and 50 μs deactivation. This model operates with natural cooling, maintaining continuous torque at standstill of 23.0 Nm, and supports peak currents up to 127.4 A. Its digital servo feedback system, featuring a multi-turn optical encoder with absolute position detection (>4096 revolutions), ensures high positional accuracy. The device integrates a plain shaft with end-sided centering hole and DS thread (DIN 332 compliant), 130 mm centering diameter, and a housing with IP65 protection rating and shaft seal. Operating speed reaches 4000 RPM. The output connector is oriented to side B, with a motor length C, flange size 140/150 mm, and winding code 058.

Technical Specifications

Clamping Torque
22 Nm

Rated Current
0.71 A

Connect Time
25 microseconds

Disconnect Time
50 microseconds

Cooling Method
Natural

Continual Torque
23 to 28 Nm

Constant Current
28.3 to 34.5 A

Encoder Type
Multiturn Optical

Protection Class
IP65

Shaft Type
Plain with end-sided centering hole

Output Connector Direction
Side A

Characteristic Speed
4000 revolutions

Peak Current
127.4 A

Housing Material
Coated with prime black paint

Additional Coating
Not allowed

Separate Plug Connections
Yes

Temperature Sensor Connection
Yes

Holding Brake Connection
Yes

Frequently Asked Questions

How does the liquid cooling feature in the MHD093C-058-PG1-BN benefit continuous-duty applications?

Liquid cooling effectively removes excess heat, allowing the motor to operate longer at higher torque levels. This increases efficiency and extends the service life of the motor.

Why is absolute position detection over 4096 revolutions important in the MHD093C-058-PG1-BN?

It allows the system to instantly recognize its position after power loss. This eliminates the need for re-homing, saving time and improving operational reliability.

Do the plain shaft and shaft seal of the MHD093C-058-PG1-BN enhance its performance in harsh environments?

Yes, the plain shaft with a seal prevents contamination from dust or fluids. It improves longevity and ensures smooth torque transmission in industrial conditions.

What role does the holding brake play in the MHD093C-058-PG1-BN servo motor?

The 22.0 Nm holding brake secures the rotor when the system is powered down. This feature ensures stability and safety in vertically mounted or load-bearing systems.

Does the side B power connection of the MHD093C-058-PG1-BN simplify system integration?

Yes, having the power connection on side B allows compact and flexible cable routing. This makes installation easier in space-constrained machinery designs.

Common Misspellings

MHD093C058PG1BN

MHD093C 058 PG1 BN

mhd093c-058-pg1-bn

MHD93C-058-PG1-BN

Internal Product Review

The MHD093C-058-PG1-BN servo motor from Bosch Rexroth is used in CNC machines, packaging equipment, and printing systems. It provides 23.0 Nm continuous torque and includes a 22.0 Nm holding brake with liquid cooling. The motor features absolute position detection and a digital servo feedback encoder.