MS2M02-A0FNN-KMDL1
MS2M Ultra Compact Motors
The MS2M02-A0FNN-KMDL1 is an ultra-compact synchronous motor from Bosch Rexroth Indramat in the MS2M Ultra Compact Motors series. It serves as a direct-drive actuator for tight-space automation axes. The unit mounts on a 38 mm square flange, fits frame size 2, and uses the short frame length A. Low rotor inertia supports quick acceleration, while natural convection handles heat without external fans. An electrically released holding brake secures the load during power-off. Position feedback is provided by a 23-bit optical encoder that can work in single-turn or multiturn mode.
Peak shaft performance reaches 6000 rpm, while the continuous winding base speed is 3000 min⁻¹ to match common servo drives. A maximum torque of 0.48 Nm defines the highest load the motor can deliver during rapid moves. Logic and sensor circuits draw from a regulated supply window of 4.75 to 5.25 V, and the brake coil requires 24 V DC for release. The housing carries an IP65 ingress rating, so dust and low-pressure water jets will not affect operation. M17 connectors with the quick-lock SPEEDCON mechanism shorten installation time, and the double metal leadwire cable resists abrasion in moving-chain installations.
The mechanical interface centers on a bolt circle of 45 mm, a spigot diameter of 30 mm, and a keyed shaft that is 8 mm in diameter and 22 mm long, with no sealing ring to reduce friction. Static mass is only 0.77 kg, easing integration on lightweight gantries, and the declared noise emission stays below 65 dB(A) at full speed. Operation is specified between 0 °C and 40 °C and up to 1000 m altitude. Passive air cooling keeps temperature under control, and the stator winding is designed for a 3000 min⁻¹ base speed, giving the drive a predictable thermal margin.
Technical Specifications
Bolt Circle Diameter
45 mm
Brake Voltage
24V DC
Connectors
M17; Quick lock SPEEDCON
Cooling Mode
Natural Convection
Encoder
Optical Encoder (23 Bit)
Encoder Design
Single/Multiturn
Flange Size
38 mm
Frame Length
A
Frame Size
2
Holding Brake
Electrically Released Brake
Leadwire Cable
Double Cable Metal
Max Operating Altitude
1000 m
Max Speed
6000 rpm
Max Torque
0.48 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
8 mm
Shaft Length
22 mm
Sound pressure level
65 dB(A)
Spigot Diameter
30 mm
Supply Voltage Range
4.75 to 5.25 V
Weight
0.77 kg
Winding
3000 min-1
Frequently Asked Questions
Internal Product Review
The MS2M02-A0FNN-KMDL1 from Bosch Rexroth Indramat is an ultra-compact motor with a 38 mm flange size and IP65 protection, making it well-suited for demanding environments. Its optical encoder offers 23-bit resolution with single/multiturn capability, and the natural convection cooling ensures quiet operation at 65 dB(A). This motor stands out for its combination of high precision feedback and compact form factor.
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