Chapter 2 – Installation
15
E-AC Drive Hardware Installation Guide
MOTOR SPECIFICATIONS

OS Motors

Size 23 Frame

Parameters Units OS2HB OS21B OS22B

Static torque oz-in 61.35 126.5 238
(Nm) (0.43) (0.84) (1.68)
Rotor inertia oz-in20.39 0.66 1.39
(kg-cm2) (0.07) (0.12) (0.25)
Drive Current Series 1.76 (1.24) 1.88 (1.33) 2.38 (1.68)
(Apk)(Arms) Parallel 3.25 (2.48) 3.76 (2.66) 4.76 (3.36)
Phase Inductance Series 8.6 12 16.6
(mH) Parallel 2.2 3 4.2
Detent Torque oz-in 2.5 4.0 7.0
(N-m) (0.02) (0.03) (0.05)

Bearings

Information

Thrust Load lb 13 13 13
(kg) (5.9) (5.9) (5.9)
Radial Load lb 20 20 20
(kg) (9.1) (9.1) (9.1)
End Play in 0.001 0.001 0.001
(Reversing load (mm) (0.025) (0.025) (0.025)
equal to 1 lb)
Radial Play in 0.0008 0.0008 0.0008
(Per 0.5 lb load) (mm) (0.02) (0.02) (0.02)
Motor Weight lb 1 1.5 2.5
(kg) (0.5) (0.7) (1.1)
Certifications UL recognized Pending Pending Pending
CE (LVD) Yes Yes Yes
CE (EMC & LVD) No No No

VS Motors

Size 17 Frame Size 23 Frame Size 34 Frame

Parameters Units VS12B VS13B VS21B VS22B VS23B VS31B VS32B

Static torque oz-in 55.27 72.8 115.5 194.5 334.5 551.8 1269.67
(Nm) (0.39) (0.51) (0.82) (1.37) (2.36) (3.90) (8.97)
Rotor inertia oz-in20.3 0.37 0.66 1.64 2.62 7.65 4.8
(kg-cm2) (0.054) (0.068) (0.12) (0.3) (0.48) (1.4) (2.7)
Drive Current Series 1.00 (0.71) 1.01(0.71) 2.26 (1.6) 2.01 (1.42) 2.01 (1.42) 3.0 (2.12) 3.13 (2.21)
(Apk)(Arms) Parallel 2.00 (1.42) 2.02 (1.43) 4.52 (3.2) 4.02 (2.84) 4.02 (2.84) 6.0 (4.24) 6.26 (4.42)
Phase Inductance Series 12.8 11.2 5.0 12.0 15.4 15.8 25
(mH) Parallel (3.2) (2.8) (1.2) (3.0) (3.8) 4.0 6.25
Detent Torque oz-in 2.5 4.0 7.0 8.8 18.0 27.0 50
(N-m) (0.02) (0.03) (0.05) (0.06) (0.13) (0.19) (0.35)

Bearings

Information

Thrust Load lb 11.0 11.0 17.6 17.6 17.6 35.3 35.3
(kg) (5) (5) (8) (8) (8) (16) (16)
Radial Load lb 7.7 7.7 15.0 15.0 15.0 30.9 30.9
(kg) (3.5) (3.5) (6.8) (6.8) (6.8) (14) (14)
End Play in 0.003 0.003 0.003 0.003 0.003 0.0032 0.0032
(with 2.2 lbs axial (mm) (0.075) (0.075) (0.075) (0.075) (0.075) (0.080) (0.080)
load)
Radial Play (with in 0.001 0.001 0.001 0.001 0.001 0.0008 0.0008
1.1 lb radial load) (mm) (0.025) (0.025) (0.025) (0.025) (0.025) (0.020) (0.020)
Motor Weight lb 0.55 0.77 1.03 1.54 2.2 3.86 6.18
(kg) (0.25) (0.35) (0.47) (0.7) (1.0) (1.75) (2.8)