MS2M03-A0FNN-KMDL0
MS2M Ultra Compact Motors
The MS2M03-A0FNN-KMDL0 is an ultra-compact synchronous motor manufactured by Bosch Rexroth Indramat within the MS2M Ultra Compact Motors series. Classified in the product group of ultra-compact motors, it is intended for tightly spaced industrial axes where precise torque and position control are required.
The motor mounts to machinery through a bolt circle of 70 mm on a 60 mm square flange and centers with a 50 mm spigot. A keyed, un-sealed shaft measures 11 mm in diameter and 27 mm in length, while the housing corresponds to frame size 3 and frame length A. Peak output reaches 1.91 Nm, and at 60 K temperature rise the standstill torque is 0.64 Nm; the low rotor inertia complements these values for fast acceleration. Passive cooling by Natural Convection works with an IP65 enclosure to keep contaminants out. Mechanical noise is limited to 65 dB(A). Electrical terminations are provided through M17 SPEEDCON quick-lock connectors, supplemented by a double-cable metal lead set. The unit is supplied without a holding brake, so external measures are needed when static position locking is essential.
Position feedback comes from an optical encoder with 23 Bit resolution that can operate in either single-turn or multiturn mode. Control electronics require a supply of 4.75 to 5.25 V, and the windings are specified for a base speed of 3000 min-1. Continuous operation is allowed in ambient temperatures from 0 to 40 °C, matching standard cabinet ratings. The natural convection path, sealed housing, and high-precision encoder combine to deliver stable performance in compact pick-and-place modules, indexing tables, and other motion tasks where space, environmental protection, and fine resolution must coexist.
Technical Specifications
Bolt Circle Diameter
70 mm
Connectors
M17; Quick lock SPEEDCON
Cooling Mode
Natural Convection
Encoder
Optical Encoder (23 Bit)
Encoder Design
Single/Multiturn
Encoder Resolution
23 Bit
Flange Size
60 mm
Frame Length
A
Frame Size
3
Holding Brake
Without Brake
Leadwire Cable
Double Cable Metal
Maximum Torque
1.91 Nm
Operational Temp Range
0 to 40 Celsius
Product Group
Ultra Compact Motor
Protection Type
IP65
Rotor Inertia
Low Motor Inertia
Shaft
Shaft with keyway, without sealing ring
Shaft Diameter
11 mm
Shaft Length
27 mm
Sound pressure level
65 dB(A)
Spigot Diameter
50 mm
Standstill Torque (60 K)
0.64 Nm
Supply Voltage Range
4.75 to 5.25 V
Winding
3000 min-1
Frequently Asked Questions
Internal Product Review
The MS2M03-A0FNN-KMDL0 is an ultra-compact motor from Bosch Rexroth Indramat featuring a 60 mm flange size and low rotor inertia for efficient, responsive motion control. Its 23-bit optical encoder with single/multiturn design ensures precise positioning. With IP65 protection and natural convection cooling, this motor is a solid option for demanding automation environments.
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