Home >> Rotary Motors >> Brushless Rotary Servomotors

BM Series

Ordering Example (options in green available from Aerotech’s Fast Delivery program)

BM

130

-MS

-E2000H

-X

Motor Series

Motor Torque (oz-in)

Connector Option

Encoder Resolution with Hall Tracks

Motor Options

20, 75, 130, 200, 250, 500,
800, 1400, 2000, 3400, 4500

-MS
-D25

E1000H, E2000H, E2500H,
E5000H, RS

BK1, BK2, BK3,
BK5, NS, VAC6

Standard motor/encoder = BM130E (MS connectors, E1000H encoder)

Brushless Rotary Servomotors

BM20

NEMA 17 brushless servomotor; 20.0 oz-in continuous torque

BM75

NEMA 23 brushless servomotor; 78.3 oz-in continuous torque

BM130

NEMA 23 brushless servomotor; 141.5 oz-in continuous torque

BM200

NEMA 23 brushless servomotor; 170.0 oz-in continuous torque

BM250

NEMA 34 brushless servomotor; 285 oz-in continuous torque

BM500

NEMA 34 brushless servomotor; 506 oz-in continuous torque

BM800

NEMA 42 brushless servomotor; 787 oz-in continuous torque

BM1400

NEMA 42 brushless servomotor; 1336 oz-in continuous torque

BM2000

IEC 142 brushless servomotor; 130 lb-in continuous torque

BM3400

IEC 142 brushless servomotor; 210 lb-in continuous torque

BM4500

IEC 142 brushless servomotor; 280 lb-in continuous torque

Connectors

-MS

MS connectors for feedback and motor power (standard)

-D25

D-shell for feedback and motor power (BM20 only)

Feedback Options

-E1000H

Encoder, A quad B with marker, 5 VDC, 1000 line, line-driver output

-E2000H

Encoder, A quad B with marker, 5 VDC, 2000 line, line-driver output

-E2500H

Encoder, A quad B with marker, 5 VDC, 2500 line, line-driver output (brake option not available on BM75, BM130)

-E5000H

Encoder, A quad B with marker, 5 VDC, 5000 line, line-driver output (brake option not available on BM75, BM130)

-RS

Single speed brushless resolver (replaces encoder)

Options (Brushless Rotary Motors)

-BK1

Brake, holding torque = 0.8 N-m (112 oz-in), 24 VDC, 0.3 A for BM75, BM130, and BM200

-BK2

Brake; holding torque = 1.7 N-m (240 oz-in), 24 VDC, 0.4 A for BM250, BM500

-BK3

Brake; holding torque = 5.6 N-m (800 oz-in), 24 VDC, 0.7 A for BM800, BM1400

-BK5

Brake; holding torque = 40.7 N-m (360 lb-in), 24 VDC, 0.7 A for BM2000, BM3400, BM4500

-NS

IP65 rated Nitrile front shaft seal (not available for BM75, BM130, BM200)

-VAC6

Vacuum prep for up to 10^-6 torr

Example:

Motor with 2000 line encoder and Nitrile shaft seal: BM250-MS-E2000H-NS

Accessories

MCM1-3

Connector, MS motor power mate (BM2000, BM3400, BM4500)

MCM-3

Connector, MS motor power mate (BM75, BM130, BM200, BM250, BM500, BM800, BM1400)

MCF-3

Connector, MS motor feedback mate for all BM motors