R911277790 (MDD093C-L-030-N2M-110PB1)

Name: R911277790 (MDD093C-L-030-N2M-110PB1)
Brand: Indramat Motors
SKU: MDD093C-L-030-N2M-110PB1
Price: 808.00 USD
Availability: InStock
Rating: 4.5 (9 reviews)

MDD Synchronous Motors

Rated 4.5 stars (9 total reviews)

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The R911277790 (MDD093C-L-030-N2M-110PB1) is a Bosch Rexroth MDD093C AC servo motor featuring electronic commutation and permanent magnets, designed for use with digital drive controllers. This model has a mass of 22 kg, winding inductivity of 2.7 mH, and winding resistance of 0.25 Ω. The shaft includes a keyway and shaft seal, and the centering diameter is 110 mm. It incorporates an integrated multiturn absolute encoder with digital servo feedback (DSF), supports surface cooling, and operates within a temperature range of 0–45°C up to 1000 m altitude. The nominal speed is 3000 min⁻¹ and the moment of inertia is 42 x 10⁻⁴ kg·m². Connection is via a connector on housing side B. An optional integrated holding brake (0.5 kg) operates at 24 V, provides 11 Nm torque, and has a response time of 20–60 ms. Strain reliefs for the connector are not included.

Technical Specifications

Motor Type
AC Servo Motor

Winding Inductivity
2.7 mH

Weight
22 kg

Thermal Time Constant
50 minutes

Storage Temperature
-20 to +80 degrees Celsius

Operating Temperature
0 to 45 degrees Celsius

Installation Altitude
0 to 1000 meters above sea level

Winding Resistivity
0.25 Ohm

Moment of Inertia
42 x 10-4 kgm2

Connection Side
B side

Output Shaft Features
Keyways and a Sealing Ring

Holding Brake Weight
0.5 kg

Clamping Delay for Brake
20 milliseconds

Release Delay for Brake
60 milliseconds

Voltage Supply for Brake
24 V (10 percent tolerance)

Frequently Asked Questions

Why is “standard” balancing sufficient for this motor size?

The motor is dynamically balanced to DIN class R (reduced) or N based on the series, which limits rotor vibration and extends bearing life under 3000 rpm operation.

What advantage does the integrated multiturn absolute encoder bring?

The absolute encoder retains axis position even after power off, simplifying homing routines and improving system recovery.

Why include a holding brake with 11 Nm torque?

The blocking (holding) brake prevents unintended motion when the drive is powered off, giving safety or positional stability in vertical or idle states

What limits the maximum continuous torque under this design of MDD093C-L-030-N2M-110PB1 motor?

Thermal constraints of the windings and housing govern continuous torque; beyond that, overheating risk or thermal cutoff may occur.

Where is this MDD093C-L-030-N2M-110PB1 motor type commonly applied in industry?

The MDD093C-L-030-N2M-110PB1 motor is suited for high-dynamics tasks such as tool-changer axes, roller feeds, and punching machines requiring precise servo performance.

Common Misspellings

MDD-093C-L-030-N2M-110PB1

MDD093C L 030 N2M 110PB1

MDD093C-L-030-N2M-110-PB1

MDD093CL030N2M110PB1

MDD93C-L-030-N2M-110PB1

MDDO93C-L-030-N2M-110PB1

MDDO93C-L-O3O-N2M-11OPB1

mdd093c-l-030-n2m-110pb1

Internal Product Review

The MDD093C-L-030-N2M-110PB1 motor by Bosch Rexroth comes with a digital servo feedback system and an integrated multiturn absolute encoder. It delivers 11 Nm holding brake torque and runs at a nominal speed of 3000 min⁻¹, featuring surface cooling and a 110 mm centering diameter. This motor is commonly used in packaging machines, CNC systems, and robotic automation.