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R911276224 (1MS140B-4B-A2)

1MB High-Speed Asynchronous Motors

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The R911276224 (1MS140B-4B-A2) is a 1MS frameless spindle motor rotor designed with motor size 140, length B, and winding code 4B. It provides an inductivity of 2.86 mH and produces a torque of 0.34 Nm/A at 20°C. The rotor can achieve a rated speed of 5000 rpm, delivering 7 Nm torque at a rated current of 25 A and 166 V, for a rated power output of 3.7 kW. The integrated aluminum cooling jacket, along with a liquid cooling system, manages up to 1 kW power loss, supporting operation in environments up to +40 °C. The stator weighs 5.3 kg, reaches a maximum speed of 20,000 rpm using a maximum current of 53.7 A, and features an IP00 protection rating, requiring suitable environmental shielding.

Technical Specifications

Product Type
1MS frameless kit spindle motors rotor

Winding Code
4B

Inductivity
2.86 mH

Constant Torque(20°C)
0.34 Nm/A

Rated Speed
5000 rpm

Rated Torque
7 Nm

Rated Current
25 A

Input Voltage
166 V

Rated Power
3.7 kW

Cooling System
Aluminum cooling jacket and liquid cooling system

Power Loss
1 kW

Weight
5.3 kg

Installation Location
Main spindle

Maximum Environmental Temperature
+40 degree Celsius

Maximum Speed
20000 rpm

Maximum Power Consumption
53.7 A

Protection Category
IP00

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1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

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[email protected]

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Indramat USA 1 Year Warranty

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

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Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.