AC servo motors BSM Series
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With expertise, and a comprehensive portfolio of products and life-cycle services, we help value-minded industrial customers improve their energy efficiency and productivity. 2 ABB | Motors and Generators | AC Servo motors

Engineering information AC Servo motors | Motors and Generators | ABB 3

4 ABB | Motors and Generators | AC Servo motors

Introduction to Motion Control and PLC products Solutions ABB’s comprehensive range includes multi-axis Motion Controllers, high performance Motion Control Drives, rotary servo motors, PLCs and HMI - all designed to seamlessly interface with each other to provide a complete motion solution. This allows you to optimize your design time, save development costs and minimize your time to market. Technical knowledge is the key to solving customers’ needs. Our extensive experience has been gained over many years through close customer contact from product development to field maintenance,...

BSM N-Series brushless servo motors Low inertia - high dynamics The BSM N series provides the lowest inertia and a high torque designed for excellent performance response. This series has a rugged, durable industrial design and is constructed with Neodymium Iron Boron magnetics. It is capable of peak torques equal to four times continuous, which can be used to provide high acceleration torques in applications. ABB BSM motors are available with a wide variety of feedback devices to suit application needs. IEC and NEMA configurations are available. Variety of feedback options: — Resolver —...

Motor family Torque range Rugged construction — Sealed to IP54 — With shaft oil seal sealed to IP55 — 95% RH Non-Condensing — 1000 m (3300 Feet) without derate Popular shaft/mounting dimensions — Stock and custom — IEC and NEMA Proven reliable bearings 4 times longer bearing life. Optional shaft seal Captured front bearing eliminates axial movement High voltage insulation Windings potted for additional voltage protection - for improved reliability and improved heat transfer. AC Servo motors | Motors and Generator

AC servo motorsBSM N-series The BSM N-series provides applications with low inertia to attain the highest acceleration capability - to position faster - to obtain the highest machine throughput. Our motors are hard at work, increasing productivity, improving part quality, providing precision and reducing cost in many applications. This series provides continuous stall torques ranging from 3.9 lb-in (0.4 Nm) to 354 lb-in (40 Nm). Peak torques are four times continuous. This series has the lowest inertia to provide the maximum torque per package size. Continuous stall torque Continuous stall...

Model number General Continuous stall torque lb-in 3.9 Continuous current amps 1.49 Peak torque lb-in 15.9 Peak current amps 5 Thermal resistance °C/watt 3 Thermal time constant Min 7 Mechanical time constant msec 0.6 Electrical time constant msec 1.3 Rated speed @ 300 volts rpm 7500 Rated speed @ 160 volts rpm 4000 Electrical Torque constant lb-in/amp 3.14 Voltage constant Vpk/krpm 30.37 Number of motor poles — 4 (1) Maximum speed can be limited by bus volts and feedback types. AC Servo motors | Motors and Generators | ABB 9

BSM50N-333 General Continuous stall torque lb-in 7.9 Continuous current amps 1.42 Peak torque lb-in 32 Peak current amps 4.87 Thermal resistance °C/watt 2.6 Thermal time constant Min 11 Mechanical time constant msec 0.35 Electrical time constant msec 2.1 Rated speed @ 300 volts rpm 4000 Rated speed @ 160 volts rpm 2000 Electrical Torque constant lb-in/amp 6.66 Voltage constant Vpk/krpm 64.3 Number of motor poles — 4 (1) Maximum speed can be limited by bus volts and feedback types. BSM50N-375 10 ABB | Motors and Generators | AC Servo motors

BSM63N-150 General Continuous stall torque lb-in 6.8 Continuous current amps 2.01 Peak torque lb-in 27.25 Peak current amps 7.24 Thermal resistance °C/watt 2.2 Thermal time constant Min 13 Mechanical time constant msec 1 Electrical time constant msec 1.5 Rated speed @ 300 volts rpm 9000 Rated speed @ 160 volts rpm 4000 Electrical Torque constant lb-in/amp 3.75 Voltage constant Vpk/krpm 36.3 Number of motor poles — 4 (1) Maximum speed can be limited by bus volts and feedback types. BSM63N-175 AC Servo motors | Motors and Generators | ABB 11

CURRENT (Amps) CURRENT (Amps) CURRENT (Amps) TORQUE (lb-in.) TORQUE (lb-in.) TORQUE (lb-in.) 12 ABB | Motors and Generators | AC Servo motors Model number General Continuous stall torque lb-in 13 Continuous current amps 3.93 Peak torque lb-in 52.04 Peak current amps 14.1 Thermal resistance °C/watt 1.9 Thermal time constant Min 19 Mechanical time constant msec 0.69 Electrical time constant msec 1.5 Rated speed @ 300 volts rpm 9000 Rated speed @ 160 volts rpm 4800 Electrical Torque constant lb-in/amp 3.67 Voltage constant Vpk/krpm 35.4 Number of motor poles — 4 (1) Maximum speed can be...

BSM N-series performance curves 1 Continuous current Peak torque Peak current Thermal resistance Mechanical time constant Electrical time constant Rated speed @ 160 volts Electrical Torque constant Inductance Mechanical Inertia Number of motor poles (1) Maximum speed can be limited by bus volts and feedback types. Voltage constant General Continuous stall torque Rated speed @ 300 volts Thermal time constant Model number AC Servo motors | Motors and Generators | ABB 13

Model number General Continuous stall torque lb-in Continuous current amps Peak torque lb-in Nm Peak current amps Thermal resistance °C/watt Thermal time constant Min Mechanical time constant msec Electrical time constant msec Rated speed @ 300 volts rpm Rated speed @ 160 volts rpm Electrical Torque constant lb-in/amp Nm/amp Voltage constant Vpk/krpm Vrms/krpm Resistance ohms Number of motor poles — Weight lbs/Kg 14 ABB | Motors and Generators | AC Servo motors

Model number General Continuous stall torque lb-in Continuous current amps Peak torque lb-in Nm Peak current amps Thermal resistance °C/watt Thermal time constant Min Mechanical time constant msec Electrical time constant msec Rated speed @ 300 volts rpm Rated speed @ 160 volts rpm Electrical Torque constant lb-in/amp Nm/amp Voltage constant Vpk/krpm Vrms/krpm Resistance ohms Number of motor poles — Weight lbs/Kg AC Servo motors | Motors and Generators | ABB 15